CN100390153C - Intermediate for producing novel pyrazine derivatives - Google Patents

Abstract

Pyrazine derivatives or salts thereof represented by general formula [1] have an excellent antiviral activity and are useful as medicine for treating viral infections. The variables in formula [1] are defined in the specification. Further, fluoropyrazine derivatives or salts thereof represented by general formula [2] are useful as intermediates for production of compound [1], and as intermediates for industrial production of the fluoropyrazine-carboxamide derivatives with anti-virus effect, of which one typical example is 6-fluoro-3-hyroxy-2-pyrazine-carboxamide. The variables in formula [2] are defined in the specification.

Description

Be used to prepare the intermediate of pyrazines derivatives

The present invention be submit February 14 calendar year 2001, application number is 01806768.9 (PCT/JP01/01038), denomination of invention is divided an application for the Chinese patent application of " new pyrazines derivatives or its salt, contain the pharmaceutical composition of this derivative or salt and prepare the two intermediate ".

Technical field

The present invention relates to new pyrazines derivatives or its salt, contain their pharmaceutical composition and prepare intermediate.

Background technology

As the antiviral agent of clinical use today, can relate to acyclovir and the vidarabine that is used to control simplexvirus, the ganciclovir (ganciclovir) that is used to control cytomegalovirus and phosphine formic acid and be used to control Interferon, rabbit of hepatitis virus etc.And then, utilize vaccine prevention to be widely used in to resisiting influenza virus, also use micromolecular compound, for example amantadine hydrochloride and ribavirin for this reason.And then, also use zanamivir (zanamivir) recently.

On the other hand, for example, as for based on the nucleosides of pyrazine ring-with the antiviral activity of Nucleotide-analogue, reported that so far the compound of following general formula has antiviral activity:

R wherein ⁷Represent hydrogen atom, methyl or C ₁₀H ₂₁But, this type compound shows does not have " Visna virus activity " [He Gan ﹠amp; Nucleotide (Nucleosides ﹠amp; Nucleotides), Vol.15, Nos.11 and 12, p.1849-1861 (1996)].And then, the nucleosides that the pyrazine ring is replaced by formamyl-be not seen in report so far as yet with Nucleotide-analogue.

About the problem of amantadine, mentioned the mechanism of action owing to it, even it is effectively to the anti-A type influenza, it can not effectively resist the Type B influenza, also resistance virus might occur, causes nervous disorders etc.On the other hand, although ribavirin shows the polymerization enzyme inhibition activity,, but when oral use, do not show sufficient clinical effectiveness effectively to anti-A type and Type B influenza.

Thereby, needed to develop the antiviral agent that to various viruses, especially influenza virus is had infection mitigation effect and performance result of treatment.

PCT/JP99/04429 (WO00/10569) mentions nitrogen heterocyclic ring carbamoyl derivatives and the salt thereof by following general formula [22] representative:

Wherein encircle the A representative and replace or unsubstituted pyrazine, pyrimidine, pyridazine or triazine ring R ²³Represent O or OH, R ²⁴Represent hydrogen atom, acyl group or formamyl alkyl, dotted line is represented singly-bound or two key, and they can be used as antiviral agent.Although in this patent application, mention preparation by the method for the compound of general formula [22] representative and the intermediate that is used to prepare, but in above-mentioned patent application not about the Calmazine derivative of present patent application as explanation by the purposes of the compound intermediate of general formula [22] representative.Wherein described in general formula [22] compound, wherein the substituting group of pyrazine ring be fluorine atom those, just by the compound of following general formula [23] representative:

Wherein encircling A ' is the pyrazine ring, R ²³, R ²⁴The same with the dotted line implication, have the intensive anti-influenza virus activity, be excellent antiviral agent.

Summary of the invention

In order to address the above problem, the inventor has carried out broad research.Found that, by pyrazines derivatives or its salt of following general formula [1] representative:

R wherein ¹Represent hydrogen atom or halogen atom; R ²Represent hydrogen atom or protection or a unprotected phosphoric acid, bisphosphate or triphosphate; R ³, R ⁴, R ⁵And R ⁶Can be identical or different, represent hydrogen atom, halogen atom, azido-, replacement or unsubstituted protection or unprotected hydroxyl or amino, perhaps R ⁴And R ⁶Joint Representative's bonding unit; A represention oxygen atom or methylene radical; N represents 0 or 1; Y represention oxygen atom, sulphur atom or NH base,

Has excellent antiviral activity.Based on this discovery, finished the present invention.

And then, also find Calmazine derivative or its salt by following general formula [21] representative:

R wherein ²¹Methyl, formyl radical, itrile group, halo carbonyl or protection or unprotected methylol, amino methyl, formamyl or the carboxyl of representing hydrogen atom, methyl, halogenated methyl, protected or unprotected sulfydryl to replace; R ²²Represent hydrogen atom, halogen atom, protection or unprotected hydroxyl or amino, nitro, azido-or replacement or unsubstituted thiophenyl, benzenesulfinyl or benzenesulfonyl; Its condition is R ²¹It is formamyl or by the formamyl of acyl substituted and R ²²Be the situation and the R of hydroxyl ²¹Be hydrogen atom and R ²²Be except the situation of hydrogen atom,

Be the industrial preparation intermediate of excellent Calmazine-carboxamides derivatives, this derivative is by R wherein ¹It is the preparation intermediate of compound of general formula [1] representative of fluorine atom.Based on this discovery, finished the present invention.

And then, also find by the Calmazine derivative of general formula [21] representative or its salt it is the industrial preparation intermediate of excellent Calmazine-carboxamides derivatives by general formula [23] representative with antiviral activity.Based on these discoveries, finished the present invention.

Below, will describe the present invention in detail.

The used following term implication of this specification sheets is as follows, and other has outside the definite division.Term " halogen atom " expression fluorine atom, chlorine atom, bromine atoms or iodine atom; " halogenated methyl " expression one-, two-or the three-halogenated methyl that replaces, for example methyl fluoride, chloromethyl, brooethyl, iodomethyl, dichloromethyl, trifluoromethyl, trichloromethyl etc.; " halo carbonyl " expression fluorine carbonyl, chloroformyl, bromine carbonyl or iodine carbonyl; " low alkyl group " expression C _1-5Alkyl, for example methyl, ethyl, n-propyl, sec.-propyl, normal-butyl, isobutyl-, sec-butyl, the tertiary butyl, amyl group etc.; " lower alkoxy " expression C _1-5Alkoxyl group, for example methoxyl group, oxyethyl group, positive propoxy, isopropoxy, n-butoxy, isobutoxy, sec-butoxy, tert.-butoxy, pentyloxy etc.; " lower alkoxycarbonyl " expression C _1-5Carbalkoxy, for example methoxycarbonyl, ethoxycarbonyl, the positive third oxygen carbonyl, the different third oxygen carbonyl, positive butoxy carbonyl, isobutyl boc, secondary butoxy carbonyl, tertbutyloxycarbonyl, penta oxygen carbonyl etc.; " low-grade alkyl amino " expression one-or two-C _1-5Alkylamino, for example methylamino-, ethylamino, third amino, dimethylamino, diethylin, first and second amino etc.; " halo-low alkyl group " expression halo-C _1-5Alkyl, for example methyl fluoride, chloromethyl, brooethyl, dichloromethyl, trifluoromethyl, trichloromethyl, chloroethyl, Dichloroethyl, three chloroethyls, chloropropyl etc.; " low-grade alkenyl " expression C _2-5Thiazolinyl, for example vinyl, allyl group etc.; " cycloalkyl " expression C _3-6Cycloalkyl, for example cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl etc.; " aryl " expression phenyl, naphthyl etc.; " heterocyclic radical " expression 4-to 6-unit or annelated heterocycles base, contain at least one and be selected from Sauerstoffatom, the heteroatoms of nitrogen-atoms and sulphur atom, azetidinyl for example, thienyl, furyl, pyrryl, imidazolyl, pyrazolyl, thiazolyl, isothiazolyl oxazolyl isoxazolyl, the furazan base, pyrrolidyl, pyrrolinyl, imidazolidyl, imidazolinyl, pyrazolidyl, pyrazolinyl, 1,3,4-oxadiazole base, 1,2, the 3-thiadiazolyl group, 1,2, the 4-thiadiazolyl group, 1,3, the 4-thiadiazolyl group, 1,2, the 3-triazolyl, 1,2, the 4-triazolyl, the thiatriazole base, pyridyl, pyrazinyl, pyrimidyl, pyridazinyl, pyranyl, morpholinyl, 1,2, the 4-triazinyl, benzothienyl, the aphthothiophenes base, benzofuryl, isobenzofuran-base, benzopyranyl, the indolizine base, pseudoindoyl, indyl, indazolyl, purine radicals, quinolyl, isoquinolyl, phthalazinyl, naphthyridinyl, quinoxalinyl, quinazolyl, the cinnolines base, phthalidinyl, the isochroman base, chromanyl, indolinyl, iso-dihydro-indole-group benzoxazolyl, the Triazolopyridine base, the tetrazolo pyridazinyl, the tetrazolo pyrimidyl, thiazole and pyridazinyl, thiadiazoles and pyridazinyl, the Triazolopyridazines base, benzimidazolyl-, benzothiazolyl, 1,2,3, the 4-tetrahydric quinoline group, imidazo [1,2-b] [1,2,4]-triazinyl, quinuclidinyl etc.

Have under the situation of hydroxyl, sulfydryl, amino, formamyl or carboxyl at The compounds of this invention and preparation intermediate thereof, these substituting groups can be protected by known blocking group.

The group of term " phosphate radical ", the following general formula of " gen-diphosphate " and " triphosphate " expression:

Wherein k is respectively 1,2 and 3.

As the blocking group of a phosphate radical, gen-diphosphate and triphosphate, can relate to the group that all routines are used to protect phosphate radical.The example comprises low alkyl group, for example methyl, cyclopropyl methyl, the tertiary butyl, second-1,2-two bases etc.; Junior alkyl halides, for example 2,2,2-three chloroethyls, 2,2,2-three chloro-1,1-dimethyl ethyl, 2,2,2-trisbromomethyl etc.; Acyl group low alkyl group, for example 1-ethanoyl ethyl etc.; Cyano-lower alkyl group, for example 2-cyano ethyl etc.; Low alkyl group alkylsulfonyl low alkyl group, for example 2-methylsulfonyl ethyl etc.; Aryl sulfonyl low alkyl group, for example 2-benzenesulfonyl ethyl etc.; Thiazolinyl, for example allyl group etc.; Aryl, for example phenyl, neighbour-hydroxy phenyl, neighbour-chloro-phenyl-, right-chloro-phenyl-, 2,4 dichloro benzene base, right-nitrophenyl, 2-dimethylamino-4-nitrophenyl, 2-tert-butyl-phenyl, 2-chloromethyl-4-nitrophenyl, neighbour-phenylene etc.; Aromatic yl elementary alkyl, for example benzyl, neighbour-nitrobenzyl, right-oil of mirbane ethyl etc.; Heterocyclic radical, for example 8-quinolyl, 5-chloro-8-quinolyl etc.; Deng.One or more above-mentioned blocking groups can be used for protection.

As carboxy protective group, can relate to the group that all routines are used to protect carboxyl.The example comprises low alkyl group, for example methyl, ethyl, n-propyl, sec.-propyl, 1,1-dimethyl propyl, normal-butyl, the tertiary butyl etc.; Aryl, for example phenyl, naphthyl etc.; Aromatic yl elementary alkyl, for example benzyl, diphenyl-methyl, trityl, right-nitrobenzyl, right-methoxy-benzyl, two (right-p-methoxy-phenyl)-methyl etc.; Acyl group-low alkyl group, for example acetylmethyl, phenacyl, right-oil of mirbane formyl methyl, right-bromobenzene formyl methyl, right-methylsulfonyl phenacyl etc.; Oxygen-containing heterocycle, for example 2-THP trtrahydropyranyl, 2-tetrahydrofuran base etc.; Junior alkyl halides, for example 2,2,2-three chloroethyls etc.; Low alkyl group-silyl-alkyl, for example 2-(trimethyl silyl) ethyl etc.; Acyloxy alkyl, for example acetoxy-methyl, propionyloxy methyl, oxy acid methyl neopentyl etc.; Nitrogen heterocyclic ring-low alkyl group, for example phthalimido methyl, succinimide ylmethyl etc.; Cycloalkyl, for example cyclohexyl etc.; Lower alkoxy-low alkyl group, for example methoxymethyl, methoxy ethoxy methyl, 2-(trimethyl silyl) ethoxyl methyl etc.; Aryl-lower alkoxy-low alkyl group, for example benzyloxymethyl etc.; Lower alkylthio-low alkyl group, for example methylthiomethyl, 2-methylmercaptoethyl etc.; Arylthio-low alkyl group, for example thiophenyl methyl etc.; Low-grade alkenyl, for example 1,1-dimethyl-2-propenyl, 3-methyl-3-butynyl, allyl group etc.; The silyl of low alkyl group-replacement, for example trimethyl silyl, triethylsilyl, triisopropyl silyl, diethyl sec.-propyl silyl, t-butyldimethylsilyl, t-butyldiphenylsilyl, diphenyl methyl silyl, tertiary butyl p-methoxy-phenyl silyl etc.

As amino and low-grade alkyl amino blocking group, can relate to all routines and be used to protect amino group.The example comprises acyl group, trichloro-ethoxycarbonyl for example, the tribromo ethoxycarbonyl, carbobenzoxy-(Cbz), right-the nitro carbobenzoxy-(Cbz), neighbour-bromo-benzyloxycarbonyl, (one-, two-with three-) chloracetyl, trifluoroacetyl group, phenylacetyl, formyl radical, ethanoyl, benzoyl, uncle's penta oxygen carbonyl, tertbutyloxycarbonyl, right-methoxyl group benzyloxy carbonyl, 3, the 4-dimethoxy-benzyloxycarbonyl, 4-(phenylazo-) carbobenzoxy-(Cbz), 2-chaff oxygen carbonyl, the hexichol methoxycarbonyl, 1,1-dimethyl propylene oxygen carbonyl, the different third oxygen carbonyl, phthaloyl, succinyl, alanyl, leucyl, 1-Buddha's warrior attendant carbalkoxy, 8-quinoline oxygen carbonyl etc.; Aryl lower alkyl, for example benzyl, diphenyl-methyl, trityl etc.; Arylthio, 2-nitrophenylsulfenyl, 2 for example, 4-dinitrobenzene sulfenyl etc.; Alkane-or propadiene-alkylsulfonyl, for example methylsulfonyl, ptoluene-sulfonyl etc.; Two-low-grade alkyl amino-low-grade alkylidene, N for example, N-dimethylaminomethylene etc.; Aryl-low-grade alkylidene, for example benzylidene, 2-hydroxyl benzylidene, 2-hydroxyl-5-chlorine benzylidene, 2-hydroxyl-1-naphthyl methylene radical etc.; Nitrogen heterocyclic ring alkylidene group, for example 3-hydroxyl-4-pyridyl methylene radical etc.; Cycloalkylidene, for example cyclohexylidene, 2-ethoxycarbonyl cyclohexylidene, 2-ethoxycarbonyl cyclopentylidene, 2-ethanoyl cyclohexylidene, 3,3-dimethyl-5-hydroxyl cyclohexylidene etc.; Diaryl or diaryl low alkyl group phosphoryl, for example diphenylphosphine acyl group, dibenzyl phosphoryl etc.; The oxygen heterocyclic ring alkyl, 5-methyl-2-oxo-2H-1 for example, 3-Dioxol-4-yl methyl etc.; The silyl of low alkyl group-replacement, for example trimethyl silyl etc.

As hydroxyl and sulfhydryl protected group, can relate to the group that all routines are used to protect hydroxyl.The example comprises acyl group, carbobenzoxy-(Cbz) for example, 4-nitro carbobenzoxy-(Cbz), the 4-bromo-benzyloxycarbonyl, 4-methoxyl group benzyloxy carbonyl, 3, the 4-dimethoxy-benzyloxycarbonyl, methoxycarbonyl, ethoxycarbonyl, tertbutyloxycarbonyl, 1,1-dimethyl propylene oxygen carbonyl, the different third oxygen carbonyl, isobutyl boc, the hexichol methoxycarbonyl, 2,2, the 2-trichloro-ethoxycarbonyl, 2,2,2-tribromo ethoxycarbonyl, 2-(trimethyl silyl) ethoxycarbonyl, 2-(benzenesulfonyl) ethoxycarbonyl, 2-(triphen phosphorus base) ethoxycarbonyl, 2-chaff oxygen carbonyl, 1-Buddha's warrior attendant carbalkoxy, the ethylene oxy carbonyl, allyloxycarbonyl, S-benzyl thiocarbonyl group, 4-oxyethyl group-1-naphthalene oxygen carbonyl, 8-quinoline oxygen carbonyl, ethanoyl, formyl radical, chloracetyl, dichloro-acetyl, the tribromo-acetyl base, trifluoroacetyl group, the methoxyl group ethanoyl, the phenoxy group ethanoyl, valeryl, benzoyl etc.; Low alkyl group, for example methyl, the tertiary butyl, 2,2,2-three chloroethyls, 2-trimethyl silyl ethyl etc.; Low-grade alkenyl, for example allyl group etc.; Aryl lower alkyl, for example benzyl, right-methoxy-benzyl, 3,4-dimethoxy-benzyl, diphenyl-methyl, trityl etc.; Contain oxygen and sulfur heterocyclic ring base, for example tetrahydrofuran base, THP trtrahydropyranyl, tetrahydro thiapyran base etc.; Lower alkoxy-with lower alkylthio-low alkyl group, for example methoxymethyl, methylthiomethyl, benzyloxymethyl, 2-(trimethyl silyl) ethoxyl methyl, 1-ethoxyethyl group etc.; Alkane-or propadiene-alkylsulfonyl, for example methylsulfonyl, ptoluene-sulfonyl etc.; The silyl that replaces, for example trimethyl silyl, triethylsilyl, triisopropyl silyl, diethyl sec.-propyl silyl, t-butyldimethylsilyl, t-butyldiphenylsilyl, diphenyl methyl silyl, tertiary butyl p-methoxy-phenyl silyl etc.; The aryl that replaces, for example quinhydrones, right-methoxyphenol etc.; Enol-ether base, for example (2-methyl-3-oxo-1-cyclopentenes-1-yl) etc.

As the formamyl blocking group, can relate to the group that all routines are used to protect formamyl.The example comprises aryl lower alkyl, for example benzyl, 4-methoxy-benzyl, 2,4-dimethoxy-benzyl etc.; Low-grade alkoxy alkyl, for example methoxymethyl etc.; Aryl-lower alkoxy, for example benzyloxymethyl etc.; Silyl lower alkoxy-the low alkyl group that replaces, for example t-butyldimethylsilyloxy ylmethyl etc.; Lower alkoxy, for example methoxyl group etc.; Aryl-lower alkoxy, for example benzyloxy etc.; Lower alkylthio, for example methylthio group, three benzylthios etc.; Aryl-lower alkylthio, for example benzylthio-etc.; The silyl that replaces, for example t-butyldimethylsilyl etc.; Aryl, for example 4-p-methoxy-phenyl, 4-methoxymethyl phenyl, 2-methoxyl group-1-naphthyl etc.; Acyl group, for example trichloro-ethoxycarbonyl, trifluoroacetyl group, tertbutyloxycarbonyl etc.; Deng.

As can be substituted by R ³, R ⁴, R ⁵, R ⁶, Z ², Z ³, Z ⁴And Z ⁵The substituting group of the hydroxyl of representative can relate to protection or unprotected carboxyl, low alkyl group, lower alkoxycarbonyl, aryl, cycloalkyl, low-grade alkenyl, junior alkyl halides and heterocyclic radical.Being selected from these substituent one or more can be used for replacing.

As can be substituted by R ³, R ⁴, R ⁵, R ⁶, Z ², Z ³, Z ⁴And Z ⁵The substituting group of the amino of representative can relate to protection or unprotected carboxyl, hydroxyl, amino and low-grade alkyl amino, low alkyl group, lower alkoxy, lower alkoxycarbonyl, aryl, cycloalkyl, low-grade alkenyl, junior alkyl halides and heterocyclic radical.One or more substituting groups that are selected from above-mentioned group can be used for replacing.

As by R ²²The substituting group of thiophenyl, benzenesulfinyl and the benzenesulfonyl of representative can relate to low alkyl group, for example methyl, ethyl etc.

As the salt of general formula [1] and [21] compound, can relate to known at position such as basic group, for example amino and the salt that forms in positions such as acidic-group, for example hydroxyl, phosphoryl, carboxyls.The salt that forms in the basic group position for example comprises the salt of mineral acid, for example hydrochloric acid, Hydrogen bromide, sulfuric acid etc.; The salt of organic acid, for example tartrate, formic acid, citric acid, trichoroacetic acid(TCA), trifluoroacetic acid etc.; Sulfonic acid, for example methylsulfonic acid, Phenylsulfonic acid, right-toluenesulphonic acids,

The salt of sulfonic acid, naphthene sulfonic acid etc.The salt that forms in the acidic-group position comprises the salt of basic metal, for example sodium, potassium etc.; The salt of alkaline-earth metal, for example calcium, magnesium etc.; Ammonium salt; Nitrogenous organic base, for example Trimethylamine 99, triethylamine, Tributylamine, pyridine, N, accelerine, N-methyl piperidine, N-methylmorpholine, diethylamine, dicyclohexyl amine, PROCAINE HCL, PHARMA GRADE, dibenzylamine, N-benzyl-β-phenylethylamine, 1-ephenamine, N, the salt of N '-dibenzyl-ethylenediamin etc.

In the above-mentioned salt, but recipient on the preferred pharmacology.

In some cases, general formula [1] and [21] compound and salt thereof have isomer, for example optically active isomer, geometrical isomer and tautomer.Under this class situation, the present invention relates to these isomer, further also relate to solvation product, hydrate and various crystallized form.

In the pharmaceutical composition of the present invention, preferred pharmaceutical composition is an antiviral agent, and further preferred antiviral composition is the antiviral agent that is used to control influenza virus, RS virus, AIDS virus, papilloma virus, adenovirus, hepatitis A virus, hepatitis B virus, hepatitis C virus, poliovirus, Echo virus, Coxsackie virus, enterovirus, rhinovirus, rotavirus, ewcastle disease virus, mumps virus, vesicular stomatitis virus and japanese encephalitis virus.As further preferred antiviral agent, can relate to those of anti-rotavirus, RS virus and influenza virus.As more preferably person, can relate to antiviral agent to resisiting influenza virus.

In the compound of the present invention, preferred compound is such, wherein R ³, R ⁴, R ⁵And R ⁶Can be identical or different, represent hydrogen atom, halogen atom or replacement or unsubstituted protection or unprotected hydroxyl, perhaps R ⁴And R ⁶Unite the salt that constitutes bonding unit and this compounds; Further preferred compound is such, wherein R ²Be hydrogen atom or protection or a unprotected phosphate radical or triphosphate; Further preferred compound is such, wherein R ²Be hydrogen atom or protection or a unprotected phosphate radical, R ³, R ⁴, R ⁵And R ⁶Can be identical or different, represent hydrogen atom or protection or unprotected hydroxyl, A be a Sauerstoffatom, and n is 0, and salt; Further preferred compound is such, wherein R ²Be hydrogen atom, and salt.

As preferred compound, can relate to wherein R ¹It is the compound or its salt of hydrogen atom, chlorine atom or fluorine atom; As further preferred compound, can relate to wherein R ¹Be those and salt thereof of hydrogen atom or fluorine atom.

In the midbody compound of the present invention, preferred such, R wherein ²¹Be hydrogen atom, methyl, halogenated methyl, formyl radical, itrile group, halo carbonyl or protection or unprotected methylol, formamyl or carboxyl, and salt; Further preferred such, R wherein ²²Be protection or unprotected hydroxyl or amino, halogen atom, nitro or azido-, and salt; Further preferred such, R wherein ²¹Be methyl, halogenated methyl, formyl radical, formamyl, itrile group, halo carbonyl or protection or unprotected methylol or carboxyl, and salt; More preferably such, R wherein ²¹Be halogenated methyl, formyl radical, formamyl, itrile group, halo carbonyl or protection or unprotected methylol or carboxyl, and salt; Further more preferably such, R wherein ²¹Be formamyl, protection or unprotected carboxyl, itrile group or halo carbonyl, and salt.But in above-claimed cpd, R wherein ²¹It is formamyl or by the formamyl of acyl substituted and R ²²Be those and R wherein of hydroxyl ²¹Be hydrogen atom and R ²²Be except those of hydrogen atom.

In the compound of the present invention, for example shown in the Table I-1, wherein on behalf of benzyl, "-", " Bn " represent the bonding unit to typical person.

Table I-1

Typical The compounds of this invention intermediate following Table II-1 is to shown in 5, and wherein " Et " represents ethyl, and " Ac " represents ethanoyl; " Ph " represents phenyl, and " Bz " represents benzoyl, and " tBu " represents the tertiary butyl; " OPh (p-OH) " represents para hydroxybenzene oxygen base, " C ₆H ₇O " represent 2-methyl-3-oxo-1-cyclopentenes-1-base.

Table II-1

Table II-2

Table II-3

Table II-4

Table II-5

The preparation method of The compounds of this invention is described below.

The compounds of this invention can be prepared according to the approach that shows preparation method I-1 to 4 down.

[preparation method I-1]

R wherein ¹, R ³, R ⁴, R ⁵, R ⁶, A, Y and n definition is the same; R ⁸Represent low alkyl group; Z ¹Represent hydrogen atom or hydroxy-protective group; Z ², Z ³, Z ⁴And Z ⁵Can be identical or different, represent the hydroxyl or the amino of hydrogen atom, halogen atom, azido-, protection; Perhaps Z ³And Z ⁵Can unite and constitute the bonding unit.

(a) general formula [1a] compound or its salt can obtain like this, and general formula [2a] compound or its salt is carried out protective reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Acid amides, for example N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Water etc.These solvents can be separately or are used as two or more mixture.

As removing protective material, can use generally to be used for the de-protected reagent of hydroxyl, amino and phosphate radical.But preferably, use alkali, for example sodium methylate, hydrogen, ammonia, ammoniacal liquor, butylamine etc.; Acid, for example formic acid, aqueous acetic acid, moisture trifluoroacetic acid, hydrochloric acid etc.; Palladium catalyst, for example four-triphenyl phosphine palladium (0) etc.; Phosphine, for example triphen phosphorus etc.These go protective material can unite use, perhaps can generate in reactive system.Go protectant consumption to be the every mol general formula of 0.01mol/ [2a] compound or its salt at least.If necessary, also may make and spend protective material as solvent.

Protective reaction carried out 1 minute to 100 hours, preferred 5 minutes to 50 hours to 100 ℃ temperature at-50 ℃ to 170 ℃, preferred-20 ℃ usually.

(b) wherein Y is that general formula [1a] compound or its salt of Sauerstoffatom can obtain like this, be with or without catalyzer in the presence of, make general formula [2b] compound or its salt be subjected to the ammonolysis reaction of carboxylicesters.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Water etc.This reaction can use each reagent to carry out under the condition that is usually used in the aromatic carboxylic acid ester ammonolysis.But preferably use ammonia, liquefied ammonia or ammoniacal liquor.The consumption of these reagent is the every mol formula of 0.5mol/ [2b] compound or its salt at least.If necessary, also may use these solvents as solvent.Catalyzer as being used in as required in this reaction can relate to acid ammonium salt, for example ammonium chloride; Alkali, for example sodium methylate, butyllithium etc.; And alkali metal ammonia compound, for example sodium amide etc.Catalyst consumption is 0.01 to 100mol, preferred 0.01 to 20mol/ every mol formula [2b] compound or its salt.

Reaction was carried out 1 minute to 72 hours, preferred 30 minutes to 50 hours to 100 ℃ temperature at-100 ℃ to 250 ℃, preferred-78 ℃ usually.

[preparation method I-2]

R wherein ¹, R ³, R ⁴, R ⁵, R ⁶, R ⁸, Z ², Z ³, Z ⁴, Z ⁵, A, n and Y definition is the same; R ⁹Representative protection or a unprotected phosphate radical or a phosphoryl chloride; R ¹²Representative protection or unprotected gen-diphosphate or triphosphate.

(a) general formula [2c] compound or its salt can obtain like this, be with or without an acidic catalyst or alkali in the presence of, protect general formula [2b] compound or its salt with reagent.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Acid amides, for example N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Ketone, for example acetone etc.; Water etc.These solvents can be separately or are used as two or more mixture.

As reagent, can use generally to be used to protect hydroxyl and amino those, preferably use 2,2-Propanal dimethyl acetal, Acetyl Chloride 98Min. and Benzoyl chloride.If necessary, these reagent can generate in reactive system.The amount of reagent is equimolar amount at least, is preferably the every mol formula of 1.0-10mol/ [2b] compound and or its salt.

An acidic catalyst or alkali as being used in this reaction for example can relate to right-toluenesulphonic acids, triethylamine etc.Its consumption can be 0.01-10mol, the preferred every mol formula of 0.05-10mol/ [2b] compound or its salt.

This reaction was carried out under-50 ℃ to 170 ℃, preferred 0 ℃ to 150 ℃ 1 minute to 24 hours, preferred 5 minutes to 10 hours usually.

(b) general formula [2d] compound or its salt can obtain like this, (1) (Japanization association (Corporation) compiles according to the 4th edition 22 volume of Jikken KagakuKoza (experimental chemistry lecture) 313-438 page or leaf, 1992) described method, be with or without additive in the presence of, make the reaction of general formula [2c] compound or its salt and phosphoric acid agent, or (2) make itself and phosphitylation (phosphitizing) agent reaction, then with oxidant reaction.

In method (1), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Pyridine etc.These solvents can be separately or are used as two or more mixture.

As phosphoric acid agent, can use the reagent that generally is used for the phosphorylation hydroxyl.The example of this class phosphoric acid agent comprises the diester of phosphoric acid, for example di(2-ethylhexyl)phosphate benzyl ester etc.; The dithio acid esters of phosphoric acid, a hexamethylene ammonium S for example, S '-phenylbenzene phosphorodithioate etc.; Phosphoryl chloride, for example phosphoryl chloride, diallyl clodronic acid ester etc.; Deng.The consumption of phosphoric acid agent is equimolar amount at least, is preferably the every mol formula of 1.0-5.0mol/ [2c] compound or its salt.As additive, for example can relate to azo-compound, for example diethylazodicarboxylate, diisopropyl azo-2-carboxylic acid etc.; Phosphine, for example triphenyl phosphine etc.; The propadiene SULPHURYL CHLORIDE, for example 2,4,6-triisopropylphenylsulfonyl chloride etc.; Alkali, for example pyridine, chlorination tertiary butyl magnesium etc.If necessary, these additives can be united use.The consumption of additive is equimolar amount at least, is preferably the every mol formula of 1.0-5.0mol/ [2c] compound or its salt.

This reaction was carried out under-50 ℃ to 170 ℃, preferred 0 ℃ to 100 ℃ 1 minute to 72 hours, preferred 5 minutes to 24 hours usually.

In method (2), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Pyridine etc.These solvents can be separately or are used as two or more mixture.

As the phosphitylation agent, can use the reagent that generally is used for the phosphitylation hydroxyl.Example comprises phosphoro-amidate (phosphoroamidite), for example diallyl diisopropylaminoethyl phosphoric acid salt etc., and phosphoryl chloride, for example diallyl phosphoryl chloride (phosphorochloridite) etc.The consumption of phosphitylation agent is equimolar amount at least, preferred every mol formula [2c] compound of 1.0-3.0mol/ and salt thereof.As additive, use tetrazole compound, for example 1H-tetrazolium etc., and alkali, for example pyridine, collidine etc. if necessary, can be united and use these additives.The consumption of additive is equimolar amount at least, the preferred every mol formula of 1.0-5.0mol/ [2c] compound or its salt.

As the oxygenant that is used in this reaction, for example can relate to superoxide, for example between-chlorine peroxybenzoic acid, tertbutyl peroxide etc., and halogen compounds, for example iodine etc.The consumption of oxygenant is equimolar amount at least, the preferred every mol formula of 1.0-5.0mol/ [2c] compound or its salt.

This reaction was carried out 1 minute to 24 hours, preferred 5 minutes to 6 hours under to 50 ℃ at-78 ℃ to 100 ℃, preferred-50 ℃ usually.

(c) general formula [1b] compound or its salt can obtain like this, uses general formula [2d] compound or its salt, reacts according to preparation method I-1 (b).

(d) general formula [1c] compound or its salt can obtain like this, uses general formula [1b] compound or its salt, reacts according to preparation method I-1 (a).

(e) general formula [1b] compound or its salt can obtain like this, uses general formula [1d] compound or its salt, reacts according to preparation method I-2 (b).

(f) general formula [1e] compound or its salt can obtain like this, for example according to Chem.Rev. (chemistry comment), 100 volume 2047-2059 pages or leaves (2000) described operations, be with or without condensing agent in the presence of, general formula [1c] compound or its salt and phosphoric acid agent are reacted.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Pyridine etc.These solvents can be separately or are used as two or more mixture.

As phosphoric acid agent, can use the reagent that generally is used for phosphorylation one phosphate radical.The example of this class phosphoric acid agent comprises the salt of phosphoric acid, for example tricresyl phosphate normal-butyl ammonium, tetra-sodium normal-butyl ammonium etc., and if necessary, these phosphoric acid agents can synthesize in reactive system.The consumption of phosphoric acid agent is equimolar amount at least, is preferably the every mol formula of 1.0-10mol/ [1c] compound or its salt.As condensing agent, for example can use imidazoles, N for example, N-carbonyl dimidazoles, N-Methylimidazole etc., amine, for example morpholine, Diisopropylamine etc., if necessary, these amine can be united use.The consumption of condensing agent is equimolar amount at least, is preferably the every mol formula of 1.0-5.0mol/ [1c] compound or its salt.

This reaction was carried out under-50 ℃ to 100 ℃, preferred 0 ℃ to 50 ℃ 1 minute to 72 hours, preferred 5 minutes to 24 hours usually.

[preparation method 3]

R wherein ¹, R ⁸, A, n, Z ¹, Z ², Z ³, Z ⁴And Z ⁵Define the same; Y ¹Represention oxygen atom or NH base; R ¹⁰Represent halogen atom, carbon acyloxy or sulfonyloxy.

(a) general formula [2a] compound or its salt can obtain like this, (1) be with or without additive in the presence of, transforming general formula [3a] compound or its salt according to silylanizing method commonly used is general formula [3b] compound or its salt, then (2) be with or without lewis acidic in the presence of, make the reaction of itself and general formula [4a] compound or its salt.

The solvent that is used in these reactions is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.These solvents can be separately or are used as two or more mixture.

The silylating agent that is used in the reaction (1) can be that routine is used to transform any silylating agent that carbonyl is the silyl enol ether.The example comprises 1,1,1,3,3,3-hexamethyldisilazane, N, two (trimethyl silyl) ethanamides of O-, trimethylsilyl chloride etc.The consumption of silylating agent is equimolar amount at least, is preferably the every mol formula of 1.0-10.0mol/ [3a] compound or its salt.

Additive as being used in as required in this reaction for example can relate to ammonium sulfate etc.The consumption of described additive is 0.01-10.0mol, be preferably the every mol formula of 0.05-5.0mol/ [3a] compound or its salt.

This reaction was carried out 5 minutes to 24 hours, preferred 5 minutes to 12 hours under 0-200 ℃, preferred 0-150 ℃ usually.

In reaction (2), the consumption of formula [4a] compound or its salt is 0.5-10mol, be preferably the every mol formula of 0.5-5mol/ [3a] compound or its salt.

As the Lewis acid that can be used in as required in this reaction, for example can relate to trimethyl silyl trifluoromethanesulfonic acid, tin chloride (IV), titanium chloride (IV), zinc chloride etc.Lewis acidic consumption for 0.5mol at least, be preferably the every mol formula of 0.5-10mol/ [3a] compound or its salt.

This reaction was carried out 1 minute to 72 hours, preferred 5 minutes to 24 hours under 0-100 ℃, preferred 0-50 ℃ usually.

(b) general formula [2a] compound or its salt can obtain like this, uses a kind of alkali as de-acidying agent, be with or without additive in the presence of, make general formula [3a] compound or its salt and general formula [4b] compound or its salt the reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Deng.These solvents can be separately or are used as two or more mixture.

As the alkali that is used in this reaction, for example can relate to inorganic and organic bases, for example triethylamine, potassium tert.-butoxide, salt of wormwood, yellow soda ash, cesium carbonate, sodium hydride etc.In this reaction, the consumption of general formula [4b] compound or its salt is 0.1-5mol, be preferably the every mol formula of 0.2-2mol/ [3a] compound or its salt.In this reaction, the consumption of alkali is 0.1-10mol, be preferably the every mol formula of 0.2-10mol/ [3a] compound or its salt.

Additive as being used in as required in this reaction for example can relate to palladium catalyst, for example four-triphenyl phosphine palladium etc.; Phosphine, for example triphenyl phosphine etc.; Polyethers, for example 18-hat-6-ether etc.The consumption of additive is 0.01-10mol, be preferably the every mol formula of 0.03-5.0mol/ [3a] compound or its salt.

This reaction was carried out under-50 ℃ to 170 ℃, preferred 0 ℃ to 120 ℃ 1 minute to 72 hours, preferred 5 minutes to 24 hours usually.

[preparation method I-4]

R wherein ¹, A, n, Z ¹, Z ², Z ³, Z ⁴And Z ⁵Define the same.

General formula [2g] compound or its salt can obtain like this, for example according to Shin Jikken KagakuKoza (new experimental chemistry lecture), 14 volume 1819-1831 pages or leaves (compile by Japanization association (Corporation), 1978) explanation, be with or without a kind of alkali in the presence of, make general formula [2f] compound or its salt and vulcanizing agent the reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Deng.These solvents can be separately or are used as two or more mixture.

As vulcanizing agent, can use routine to be used to vulcanize the reagent of acid amides.The example comprises gaseous hydrogen sulfide, thiophosphoric anhydride, lawesson reagent etc.The consumption of vulcanizing agent in this reaction be 0.1-10mol, be preferably the every mol formula of 0.2-5.0mol/ [2f] compound or its salt.

As the alkali that is used in this reaction, for example can relate to ammonia, triethylamine, morpholine, pyridine, 4-Dimethylamino pyridine etc.In this reaction, the consumption of alkali is the every mol formula of 0.01mol/ [2f] compound or its salt at least.If necessary, alkali can be used as solvent.

This reaction was carried out under-50 ℃ to 170 ℃, preferred 0 ℃ to 120 ℃ 1 minute to 24 hours, preferred 5 minutes to 6 hours usually.

Below, using description to prepare the method for general formula [2a], [2b], [3a '] and [3j] compound and salt thereof, they are preparation raw materials of The compounds of this invention.

The method that general formula [2a], [2b], [3a '] and [3j] compound can be known according to itself or the appropriate combination of these methods are prepared.For example, these compounds can be according to following preparation method I-A preparation.

[preparation method I-A]

R wherein ¹, R ³, R ⁴, R ⁵, R ⁶, R ⁸, A, n, Z ¹, Z ², Z ³, Z ⁴, Z ⁵And R ¹⁰Define the same.

(a) general formula [2e] compound or its salt can obtain like this, according to preparation method I-3 (a), makes the reaction of general formula [3c] compound or its salt and general formula [4a] compound or its salt.

(b) general formula [2e] compound or its salt can obtain like this, according to preparation method I-3 (b), makes the reaction of general formula [3c] compound or its salt and general formula [4b] compound or its salt.

(c) general formula [2b] compound or its salt can obtain like this, according to preparation method I-1 (a), makes the reaction of general formula [2e] compound or its salt.

In the raw material of above-mentioned reaction, general formula [3c] compound or its salt for example can be according to J.Heterocyclic Chem. (heterocyclic chemistry magazine), 34 volume 1 phase 27-32 page or leaf (1997) or J.Med.Chem. (medical chemistry magazine), 12 volumes, 2 phase 285-287 pages or leaves (1969) are prepared; General formula [4a] compound or its salt for example can be according to J.Med.Chem. (medical chemistry magazine), and 28 volumes, 7 phase 904-910 pages or leaves (1985) are prepared; General formula [4b] compound or its salt for example can be according to J.Chem.Soc.PERKIN TRANS 1 (Englishize association will Charles Bell gold transactions 1), 2419-2425 page or leaf (1992), J.Med.Chem. (medical chemistry magazine), 36 volume 14 phase 2033-2040 pages or leaves (1993) or Bio.Med.Chem.Lett. (biological and medical chemistry wall bulletin), 6 volumes, 13 phase 1457-1460 pages or leaves (1996) are prepared.

[preparation method I-B]

R wherein ⁸Define the same; R ^1aRepresent halogen atom; R ¹¹The representation hydroxy blocking group; The halogen atom of X representative except that fluorine atom.

(a) general formula [3f] compound or its salt can obtain like this, uses diazotization agent and a kind of alcohol, makes the reaction of general formula [3e] compound or its salt.

The solvent that is used in this reaction can be any solvent, unless reaction is had a negative impact.The example of solvent comprises mineral acid, for example sulfuric acid, hydrochloric acid, nitric acid etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N-N-methyl-2-2-pyrrolidone N-etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Amine and amine oxide, for example triethylamine, N, accelerine, pyridine-N-oxide etc.; Ketone, for example acetone etc.; Alcohol, for example methyl alcohol, ethanol etc.; Water; Deng.If necessary, these solvents can be used as the mixture use.Diazotization agent used in this invention is not particularly limited, as long as their routines are used for the diazotization aromatic amido compound.But, preferably use alkali-metal nitrite, for example Sodium Nitrite etc.The consumption of diazotization agent is equimolar amount at least, is preferably the every mol formula of 1.0-5.0mol/ [3e] compound or its salt.

As the alcohol that is used in this reaction, for example can relate to methyl alcohol etc.The consumption of alcohol is the equimolar amount of formula [3e] compound or its salt at least.If necessary, also may use this alcohol as solvent.

This reaction was carried out 1 minute to 24 hours, preferred 30 minutes to 10 hours under to 100 ℃ at-70 ℃ to 200 ℃, preferred-50 ℃ usually.

(b) general formula [3g] compound or its salt can obtain like this, (1) according to the disclosed method of document [Tetrahedron Letters (tetrahedron wall bulletin), 38 volumes, 36 phase 6367-6370 pages or leaves (1997)], at catalyzer with in the presence of as the alkali of de-acidying agent, make general formula [3f] compound or its salt and a kind of imine reaction, then (2) in the presence of additive hydrolysis it.

In reaction (1), the available solvent is not particularly limited, unless reaction is had a negative impact.The example comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Deng.These solvents can be separately or are used as two or more mixture.

In this reaction, catalyzer can be selected from the combination of palladium catalyst, nickel catalyzator and phosphine part, difference is acid chloride (II), three (dibenzylidene-acetone), two palladiums etc. for example, two (1, the 5-cyclooctadiene)-nickel (0) etc., 1,1 '-two (diphenyl phosphine)-ferrocene, (s)-(-)-2,2 '-two (diphenyl phosphine)-1,1 '-dinaphthalene etc.Catalyst consumption is 0.001-1.0mol, be preferably the every mol formula of 0.002-0.5mol/ [3f] compound or its salt.

As the alkali that is used in this reaction, can relate to an alkali metal salt, for example sodium tert-butoxide, cesium carbonate etc.The consumption of alkali is equimolar amount at least, is preferably the every mol formula of 1.0-3.0mol/ [3f] compound or its salt.

As the imines that is used in this reaction, for example can relate to benzophenone imine etc.The consumption of imines is equimolar amount at least, is preferably the every mol formula of 1.0-3.0mol/ [3f] compound or its salt.

This reaction was carried out 1 minute to 48 hours, preferred 5 minutes to 24 hours under 0-120 ℃, preferred 5-100 ℃ usually.

In reaction (2), the available solvent is not particularly limited, unless reaction is had a negative impact.The available solvent for example comprises ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Alcohol, for example methyl alcohol, ethanol etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

As the additive that is used in this reaction, for example can relate to organic and salt mineral acid, for example sodium acetate, oxammonium hydrochloride, ammonium formiate etc.; Mineral acid, for example hydrochloric acid etc.; Palladium catalyst, for example palladium-carbon etc.If necessary, might unite these additives of use.The consumption of additive is 0.01-50mol, be preferably the every mol formula of 0.1-20mol/ [3f] compound or its salt.

This reaction was carried out 1 minute to 48 hours, preferred 3 minutes to 24 hours under 0-120 ℃, preferred 5-100 ℃ usually.

(c) general formula [3h] compound or its salt can obtain like this, according to preparation method I-1 (b), makes the reaction of general formula [3g] compound or its salt.

(d) general formula [3i] compound or its salt can obtain like this, for example according to Fusso KagakuNyumon, 219-230 page or leaf (Nippon Gakujutsu Shinkokai, 155 FluorineChemistry Committee compile, 1997) described method, be with or without additive in the presence of, in the presence of a kind of acid, use diazotization agent to make general formula [3h] compound or its salt be subjected to amino deamination, make it be subjected to fluoridation then.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The available examples of solvents comprises ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N-N-methyl-2-2-pyrrolidone N-etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Amine and amine oxide, for example triethylamine, N, accelerine, pyridine, pyridine-N-oxide etc.; Ketone, for example acetone etc.; Water; Deng.If necessary, these solvents can be used as the mixture use.

The diazotization agent that is used in this reaction can be an any agent, as long as their routines are used for the diazotization aromatic amido compound.Preferred diazotization agent is an alkali metal salt of nitrous acid for example, for example Sodium Nitrite etc.The consumption of diazotization agent is an equimolar amount, is preferably 1.0-5.0mol, the every mol formula of 1.0-1.5mol/ [3h] compound or its salt more preferably.

The acid that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises hydrochloric acid, hydrofluoboric acid, hydrogen fluoride etc.; The solution of hydrogen fluoride in alkali, for example hydrogen fluoride solution in pyridine etc.If necessary, these acid can be used as the mixture use.

In this reaction, the consumption of acid for 1mL at least, be preferably the every g general formula of 1-50mL [3h] compound or its salt, represent with volume/weight ratio.

As the additive that is used in this reaction, can relate to hydrofluoboric acid, tetrafluoride sodium, ammonium borofluoride etc.The consumption of acid is equimolar amount at least, is preferably the every mol formula of 1.0-20.0mol/ [3h] compound or its salt.

This reaction was carried out 50 minutes to 24 hours, preferred 1 hour to 10 hours under to 30 ℃ at-70 ℃ to 100 ℃, preferred-60 ℃ usually.

(e) general formula [3i] compound or its salt can obtain like this, according to preparation method I-1 (b), makes the reaction of general formula [3f] compound or its salt.

(f) general formula [3a '] compound or its salt can obtain like this, makes general formula [3i] compound or its salt and goes the protective material reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises water; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Mercaptan, for example sulfur alcohol, thiophenol etc.; Aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Thioether, for example dimethyl sulphide etc.; Ketone, for example acetone, methylethylketone etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Mineral acid, for example sulfuric acid, hydrochloric acid etc.; Carboxylic acid, for example acetate, trifluoroacetic acid etc.; Sulfonic acid, for example trifluoromethanesulfonic acid etc.; Organic bases, for example pyridine, triethylamine etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

As removing protective material, can use routine to be used to protect those reagent of protected aromatic alcohol.Preferably can relate to trimethyl silyl iodine etc.Generating in reactive system goes protective material also to allow.To remove protectant consumption be 0.01-50mol, be preferably the every mol formula of 0.1-30mol/ [3i] compound or its salt.

This reaction was carried out under-80 ℃ to 200 ℃, preferred 0 ℃ to 160 ℃ 1 minute to 48 hours, preferred 5 minutes to 20 hours usually.

General formula [3e] compound or its salt as above-mentioned reaction raw materials for example can be according to J.Am.Chem.Soc. (JACS), and the described method of 71 volume 2798-2800 pages or leaves (1949) is prepared.

[preparation method I-C]

R wherein ¹Define the same, R ¹³Represent lower alkoxy or aryloxy.

(a) general formula [3k] compound or its salt can obtain like this, for example according to Shin JikkenKagaku Koza (new experimental chemistry lecture), 14 volume 1599-1602 pages or leaves (compile by Japanization association (Corporation), 1978) described operation, be with or without an acidic catalyst or a kind of alkali in the presence of, make general formula [3l] compound or its salt and a kind of alcohol reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Deng.These solvents can be separately or are used as two or more mixture.

As the alcohol that is used in this reaction, for example can relate to methyl alcohol, ethanol, phenol etc.The consumption of alcohol is equimolar amount at least, based on formula [3l] compound or its salt.If necessary, use this alcohol also to allow as solvent.

As an acidic catalyst that is used in this reaction, can use routine to be used for those reagent of imidization nitrile.For example hydrogenchloride etc. can be used for this purpose.The consumption of an acidic catalyst is the every mol formula of 0.1mol/ [3l] compound or its salt at least.

As the alkali that is used in this reaction, for example can relate to metal alkoxide, for example sodium methylate, sodium ethylate, sodium phenylate etc.If necessary, generating these alkali in reactive system also allows.In this reaction, the consumption of alkali for 0.01mol at least, be preferably the every mol formula of 1.0-5.0mol/ [3l] compound or its salt.

This reaction was carried out 1 minute to 72 hours, preferred 5 minutes to 24 hours under to 120 ℃ at-78 ℃ to 170 ℃, preferred-40 ℃ usually.

(b) general formula [3j] compound or its salt can obtain like this, for example according to Shin JikkenKagaku Koza (new experimental chemistry lecture), the described operation of 14 volume 1614-1617 pages or leaves (Japanization association (Corporation) compiles, 1978) makes general formula [3k] compound or its salt and a kind of reagent react.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Deng.These solvents can be separately or are used as two or more mixture.

As the described reagent that is used in this reaction, can use routine to be used for those reagent of amidineization imidization thing.The example of described reagent comprises the aqueous solution of alcoholic solution, the ammonia of ammonia, ammonia, the ammonium salt of acid, for example ammonium chloride etc.The consumption of reagent is equimolar amount at least, based on formula [3k] compound or its salt.If necessary, use this reagent also to allow as solvent.

This reaction was carried out under-78 ℃ to 170 ℃, preferred 0 ℃ to 120 ℃ 1 minute to 72 hours, preferred 5 minutes to 24 hours usually.

[preparation method I-D]

R wherein ^1aDefine the same.

(a) general formula [3m] compound or its salt can obtain like this, for example according to Shin JikkenKagaku Koza (new experimental chemistry lecture), 14 volume 537-538 pages or leaves (compile by Japanization association (Corporation), 1977) described operation, be with or without additive in the presence of, make general formula [3n] compound or its salt and diazotization agent and hydroxylating agent the reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises mineral acid, for example sulfuric acid, hydrochloric acid, nitric acid etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N-N-methyl-2-2-pyrrolidone N-etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Amine and amine oxide, for example triethylamine, N, accelerine, pyridine-N-oxide etc.; Ketone, for example acetone etc.; Water; Deng.These solvents can use separately or as mixture.

The diazotization agent that is used in this reaction is not particularly limited, as long as their routines are used for deaminizating hydroxyl aromatic aminocompound.The preferred alkali metal nitrites salts that uses, for example Sodium Nitrite etc.The consumption of diazotization agent is equimolar amount at least, is preferably 1.0-5.0mol, the every mol formula of 1.0-2.0mol/ [3n] compound or its salt more preferably.

As the hydroxylating agent that is used in this reaction, for example can relate to water etc.The consumption of hydroxylating agent is the equimolar amount of formula [3n] compound or its salt at least, but if necessary, also may use this hydroxylating agent as solvent.

As the additive that is used in this reaction, for example can relate to mantoquita, for example copper sulfate etc.; Mineral alkali, for example sodium hydroxide, yellow soda ash etc.The consumption of additive is 0.01-100mol, be preferably the every mol formula of 0.1-50mol/ [3n] compound or its salt.

This reaction was carried out 1 minute to 24 hours, preferred 30 minutes to 10 hours under to 100 ℃ at-70 ℃ to 200 ℃, preferred-50 ℃ usually.

(b) general formula [3n] compound or its salt can obtain like this, (1) particularly, according to Fussono Kagaku, the 28-37 page or leaf (compile by science talk society, 1993) described operation, be with or without additive in the presence of, make general formula [3o] compound or its salt and close electric fluorizating agent reaction, perhaps (2) are according to Shin Jikken Kagaku Koza (new experimental chemistry lecture), 14 volume 354-360 pages or leaves (compile by Japanization association (Corporation), 1977) described operation, be with or without additive in the presence of, make general formula [3o] compound or its salt and halogenating agent the reaction.

In the method (1), solvent for use is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises halohydrocarbon, for example methylene dichloride, chloroform, fluoro trichloromethane, 1,1,2-Refrigerant R 113 etc.; Ether, for example diethyl ether, tetrahydrofuran (THF), diethyl carbitol, ethylene glycol dimethyl ether etc.; Alcohol, for example methyl alcohol etc.; Nitrile, for example acetonitrile etc.; Organic acid, for example acetate, formic acid, trifluoroacetic acid etc.; Mineral acid, for example hydrofluoric acid, sulfuric acid etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The close electric fluorizating agent that is used in this reaction is not particularly limited, as long as their routines are used for the addition reaction of fluorine atom to the carbon-to-carbon multikey.Its preferred embodiment comprises fluorine gas, trifluoromethyl Hydroxyl fluoride ester (hypofluorite), ethanoyl Hydroxyl fluoride ester, difluoro xenon, perchloryl's fluorine, cesium sulfate five fluoric acid esters (fluorite), N-fluorine pyridine fluoroform sulphonate, N-fluoro-N-alkyl propadiene sulphonamide, N-fluorine asccharin sultam, two (fluoroform sulfone) imides of N-fluorine, two (benzene sulfone) imides of N-fluorine and N-fluoro-O-benzene disulfonyl imines.In these close electric fluorizating agents, further preferred fluorine gas.The consumption of the electric fluorizating agent of parent is 0.05-50mol, is preferably the every mol formula of 0.1-20mol/ [3o] compound or its salt.

The additive that can be used in this reaction is not particularly limited as required, as long as its routine is used in the close electric fluoridation.Its preferred embodiment comprises an acidic catalyst, for example boron trifluoride, hydrofluoric acid etc.; Organic and mineral alkali, for example triethylamine, Sodium Fluoride etc.; Halogen, for example chlorine, bromine, iodine etc.These additives can be separately or are used as two or more mixture.In this reaction, the consumption of additive is 0.01-10mol, be preferably the every mol formula of 0.1-10mol/ [3o] compound or its salt.

This reaction was carried out 1 minute to 72 hours, preferred 5 minutes to 48 hours under to 100 ℃ at-80 ℃ to 170 ℃, preferred-80 ℃ usually.

In the method (2), the reaction solvent for use is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises halohydrocarbon, for example methylene dichloride, chloroform, fluoro trichloromethane, 1,1,2-Refrigerant R 113 etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Alcohol, for example methyl alcohol etc.; Nitrile, for example acetonitrile etc.; Organic acid, for example acetate, formic acid, trifluoroacetic acid etc.; Mineral acid, for example sulfuric acid etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The halogenating agent that is used in this reaction is not particularly limited, as long as their routines are used for halogenated aromatic compound.Its preferred embodiment comprises bromine, chlorine, SULPHURYL CHLORIDE, N-bromine succinimide, N-chloro-succinimide etc.The consumption of halogenating agent is 0.05-50mol, be preferably the every mol formula of 0.1-20mol/ [3o] compound or its salt.

The additive that is used in as required in this reaction is not particularly limited, as long as their routines are used for halogenated aromatic compound.Its preferred embodiment comprises Sodium Bromide, lead tetraacetate, titanium chloride (IV), aluminum chloride, Sulfuric acid disilver salt etc.These additives can be separately or are used as two or more mixture.In this reaction, the consumption of additive is 0.01-10mol, be preferably the every mol formula of 0.1-10mol/ [3o] compound or its salt.

This reaction was carried out 1 minute to 72 hours, preferred 5 minutes to 48 hours under to 100 ℃ at-80 ℃ to 170 ℃, preferred-80 ℃ usually.

In above-mentioned preparation method, all compounds can use the form of its salt.As described salt, can use the described identical person of salt paragraph with general formula [1] compound.If necessary, these reactions can be carried out in the atmosphere of rare gas element, for example nitrogen.The general formula that obtains in the above described manner [1] compound or its salt can be converted into other general formulas [1] compound or its salt, by making them be subjected to known reaction itself, for example oxidation, reduction, rearrangement, replacement, halogenation, dehydration, hydrolysis etc., or the appropriate combination of these reactions.

Some related compound of above-mentioned preparation method may have isomer, for example optically active isomer, geometrical isomer, tautomer etc.Under this class situation, these isomer also are available in the present invention, and solvation product, hydrate and various crystallized form also are available.After reaction was finished, if necessary, target compound need not to separate next step that can send into reaction.

Some related compound of above-mentioned preparation method can have amino, hydroxyl or carboxyl.If necessary, also may protect these groups with common blocking group in advance, the method for knowing with itself after reaction is removed blocking group.

General formula [1] compound or its salt can be separated by ordinary method, purifying or recrystallization, for example extraction, crystallization and/or column chromatography etc.

The compounds of this invention is prepared with various medicated premixs; the latter is vehicle for example; tackiness agent; disintegrating agent; disintegration prevents agent; antistick and antitack agent; lubricant; absorption-absorption carrier; solvent; weighting agent; isotonic agent; dissolution aids; emulsifying agent; suspension agent; thickening material; Drug coating; absorption enhancer; gelling-settling promotor; photostabilizer; sanitas; damp proof compound; emulsion-suspension-dispersed system stablizer; the color protective material; deoxidation-antioxidant; sweet taste-correctives; tinting material; whipping agent; defoamer; analgesic agent; static inhibitor; buffer reagent; pH regulator agent etc.; make pharmaceutical composition, for example oral preparation (tablet; capsule; pulvis; granule; microgranules; pill; suspension; emulsion; solution; syrup etc.); injection; suppository; external application agent (ointment; plaster etc.); aerosol etc.

Above-mentioned preparation is made pharmaceutical preparation according to usual method.

Oral solid formulation is tablet, pulvis, granule etc. for example, according to usual method, utilize solid preparation medicine additive preparation, comprise vehicle, for example the pregelatinized starch of lactose, sucrose, sodium-chlor, glucose, starch, lime carbonate, kaolin, crystalline cellulose, anhydrous calcium propionate, part, W-Gum, alginic acid etc.; Tackiness agent, for example simple syrup, glucose solution, starch solution, gelatin solution, polyvinyl alcohol, polyvinyl ether, polyvinylpyrrolidone, carboxymethyl cellulose, shellac, methylcellulose gum, ethyl cellulose, sodiun alginate, gum arabic, Vltra tears, hydroxypropylcellulose, water, ethanol etc.; Disintegrating agent, for example dry starch, alginic acid, agar powder, starch, cross-linked polyvinylpyrrolidone, croscarmellose sodium, calcium carboxymethylcellulose, primojel etc.; Disintegration prevents agent, for example stearyl alcohol, stearic acid, theobroma oil, hydrogenation wet goods; Antistick and antitack agent, for example pure aluminium silicate, secondary calcium phosphate, magnesium oxide, talcum, silicic anhydride etc.; Lubricant, for example beeswax of carnauba wax, light silicon anhydride, pure aluminium silicate, Magnesium Silicate q-agent, winterized stearin, hardened vegetable oils derivative, sesame oil, bleaching, titanium oxide, dried aluminum hydroxide gel, stearic acid, calcium stearate, Magnesium Stearate, talcum, secondary calcium phosphate, Sodium Lauryl Sulphate BP/USP, polyoxyethylene glycol etc.; Absorption enhancer, for example quaternary ammonium salt, Sodium Lauryl Sulphate BP/USP, urea, enzyme etc.; Absorption-absorption carrier, for example starch, lactose, kaolin, wilkinite, silicic anhydride, hydrated SiO 2, positive silicic acid-magnesium aluminate, colloid silicic acid etc.; Deng.

And then if necessary, tablet can be made common coating tablet, for example coated tablet, gelatin coated tablet, the molten garment piece of stomach, enteric coated tablet or water-solubility membrane garment piece.

Capsule can prepare like this, and the said medicine composition is mixed, and the gained mixture is filled in hard capsule, the soft capsule etc.

And then, water or oil suspension, solution, syrup and elixir can prepare like this, according to usual method, make pharmaceutical composition form liquid preparation with additive, for example solvent, weighting agent, isotonic agent, emulsifying agent, suspension stablizer, thickening material etc. with the aforesaid liquid preparation.

Suppository can prepare like this, adds suitable absorption enhancer to polyoxyethylene glycol, theobroma oil, lanolin, higher alcohols, high alcohol ester, gelatin, semi-synthetic glyceryl ester, Witepsol etc., makes mixture form suppository with pharmaceutical composition.

Injection is preparation like this, pharmaceutical composition and liquid preparation are mixed with medicated premix, the latter comprises thinner, for example water, ethanol, Macrogol, propylene glycol, citric acid, acetate, phosphoric acid, lactic acid, Sodium.alpha.-hydroxypropionate, sulfuric acid, sodium hydroxide etc.; PH regulator agent and buffer reagent, for example Trisodium Citrate, sodium acetate, sodium phosphate etc.; Stablizer, for example Sodium Pyrosulfite, ethylenediamine tetraacetic acid (EDTA), Thiovanic acid, thiolactic acid etc.; Isotonic agent, for example sodium-chlor, glucose, mannitol, glycerine etc.; Dissolution aids, for example Xylo-Mucine, propylene glycol, Sodium Benzoate, phenylformic acid benzyl ester, urethane, thanomin, glycerine etc.; Analgesic agent, for example calglucon, butylene-chlorohydrin, glucose, phenylcarbinol etc.; Local anesthetic; Deng, make mixture form injection according to usual method.

Ointment has the form of paste, creme or gel, can prepare like this, pharmaceutical composition and matrix is mixed, for example white vaseline, polyethylene, paraffin, glycerine, derivatived cellulose, polyoxyethylene glycol, siloxanes, wilkinite etc.; Sanitas, for example methyl p-hydroxybenzoate, ethyl p-hydroxybenzoate, propylparaben etc.; Stablizer; Wetting agent; Deng; According to usual method mixture is made ointment.

Plaster can prepare like this, according to usual method, above-mentioned ointment, creme, gel or paste is coated on the common carrier.As carrier, can use braiding and the cloth that does not weave, make by cotton, regenerated fiber or man-made fiber; Film or foam piece are made by soft vinyl chloride, polyethylene, urethane etc.

The medication of aforementioned pharmaceutical compositions does not specify, but can suitably determine according to the degree of formulation, patient's age, sex and other conditions and patient's symptom.

The dosage of pharmaceutical composition activeconstituents of the present invention is suitably determined according to the form of using method for compositions, patient's age and sex, disease and other conditions.But, usually, by activeconstituents, composition can be 0.1-100mg/kg/ days to adult's dosage, divides once or several times.

Below explanation is used to prepare the method for Calmazine derivative or its salt, they are intermediates of the present invention.

[preparation method II-1]

R wherein ²¹Define the same; R ^22aRepresent the amino of hydrogen atom, halogen atom, nitro, protection, hydroxyl or replacement or unsubstituted thiophenyl, benzenesulfinyl or the benzenesulfonyl of protection; The halogen atom of X representative except that fluorine atom; Its condition is R wherein ²¹Be hydrogen atom and R ^22aBe except the situation of hydrogen atom.

General formula [24] compound or its salt can obtain like this, for example according to Shin Jikken KagakuKoza (new experimental chemistry lecture), 14 volume 321-322 pages or leaves (compile by Japanization association (Corporation), 1977) described method, be with or without additive in the presence of, make general formula [25] compound or its salt and fluorizating agent the reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, tetrahydrofuran (THF), 1 for example, 2-glycol dimethyl ether, diglyme etc.; Nitrile, for example acetonitrile, benzonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide, N-N-methyl-2-2-pyrrolidone N-, 1,3-dimethyl-2-imidazolidone etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Sulfone, for example tetramethylene sulfone, dimethyl sulfone etc.; Nitrogen-containing heterocycle compound, for example collidine etc.; Deng.If necessary, these solvents can be used as the mixture use.

As the fluorizating agent that is used in this reaction, can use alkaline metal fluoride cpd, for example cesium fluoride, rubidium fluoride, Potassium monofluoride, Sodium Fluoride, lithium fluoride etc.; Alkaline-earth metal fluoride, for example Calcium Fluoride (Fluorspan) etc.; Other metal fluorides, for example zinc fluoride, silver fluoride etc.; Hydrogen fluoride; Ammonium salt, for example fluorizated tetrabutylammonium fluoride etc.; Phosphonium salt; And hydrogen fluoride title complex.If necessary, these reagent can be used as the mixture use.Although the kind of the consumption solid fluorizating agent of fluorizating agent in this reaction and different, but the amount of fluorizating agent can be equimolar amount at least, based on general formula [25] compound or its salt, be preferably 1.0-20mol, the every mol formula of 1.0-10mol/ [25] compound or its salt more preferably.

Additive as being used in as required in this reaction for example can relate to quaternary ammonium salt, for example bromination four positive fourth ammoniums, tetramethylammonium chloride, fluoridize tetramethylammonium etc.; Quaternary alkylphosphonium salt, for example Xiuization Si Ben Phosphonium etc.; Polyethers, for example 18-hat-6-ether, polyoxyethylene glycol etc.; Deng.If necessary, these additives can be used as the mixture use.Although the amount of additive is different because of the kind of additive, but the amount of additive is 0.01-2.0mol, is preferably the every mol formula of 0.1-1.0mol/ [25] compound or its salt.

If necessary, this reaction can be carried out in nitrogen atmosphere.This reaction was carried out 10 minutes to 24 hours under 0-300 ℃, preferred 20-200 ℃ usually.

Method preparation itself that can know according to as general formula [25] compound or its salt of above-mentioned reaction initial compounds is just according to explanation [J.Med.Chem. (medical chemistry magazine), the 27 volume 1634-1639 pages or leaves (1984) of document; Or Acta Poloniae Pharmaceutica (Polish Acta Pharmaceutica Sinica), 33 volume 153-161 pages or leaves (1976)].

[preparation method II-2]

R wherein ^21aMethyl, halogenated methyl, formyl radical or the itrile group of representing hydrogen atom, methyl, protection or unprotected methylol, amino methyl, formamyl or carboxyl, protected or unprotected sulfydryl to replace; R ^22bHydroxyl or the amino or the halogen atom of representative protection.

General formula [26] compound or its salt can obtain like this, according to Fusso no Kagaku Nyumon, 219-230 page or leaf (Nippon Gakujutsu Shinkokai, Fluorine Chemistry No.155 Committee compiles, 1997) described operation, be with or without additive in the presence of, in the presence of a kind of acid, with the amino of diazotization agent deaminizating general formula [27] compound or its salt, fluoridize this product then.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N-N-methyl-2-2-pyrrolidone N-etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Amine and amine oxide, for example triethylamine, N, accelerine, pyridine, pyridine-N-oxide etc.; Ketone, for example acetone etc.; Water; Deng.If necessary, these solvents can be used as the mixture use.

The diazotization agent that is used in this reaction can be any diazotization agent that routine is used for the diazotization aromatic amido compound.Its preferred embodiment comprises alkali metal nitrites salts, for example Sodium Nitrite etc.The consumption of diazotization agent is equimolar amount at least, is preferably 1.0-5.0mol, the every mol formula of 1.0-1.5mol/ [27] compound or its salt more preferably.

The acid that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises hydrochloric acid, hydrofluoboric acid, hydrogen fluoride etc.; The mixing solutions of hydrogen fluoride in alkaline matter, for example solution of hydrogen fluoride in pyridine; Deng.If necessary, these acid and solution can be used as mixture.Acid can former state be used as solvent.

With volume/weight ratio (mL/g) expression, the consumption of acid in this reaction for 1mL at least, be preferably the every gram general formula of 1-50mL [27] compound or its salt.

As the additive that is used in this reaction, can relate to hydrofluoboric acid, tetrafluoride sodium, boron Neutral ammonium fluoride etc.The amount of additive is equimolar amount at least, is preferably the every mol formula of 1.0-20.0mol/ [27] compound or its salt.

This reaction was carried out 30 minutes to 24 hours, preferred 1 to 10 hour under to 30 ℃ at-70 ℃ to 100 ℃, preferred-60 ℃ usually.

[preparation method II-3]

R wherein ^21eMethyl, halogenated methyl, formyl radical, itrile group or the halo carbonyl of representing hydrogen atom, methyl, protection or unprotected methylol, amino methyl, formamyl or carboxyl, protected or unprotected sulfydryl to replace; R ^22eRepresentative protection or unprotected hydroxyl or amino, halogen atom, nitro or azido-.

General formula [21] compound or its salt can obtain like this, particularly, and for example according to Fusso noKagaku, the 28-37 page or leaf (compile by science talk society, 1993) explanation, be with or without additive in the presence of, make general formula [28] compound or its salt and the reaction of close electric fluorizating agent.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises halohydrocarbon, for example methylene dichloride, chloroform, fluoro trichloromethane, 1,1,2-Refrigerant R 113 etc.; Ether, for example diethyl ether, tetrahydrofuran (THF), diethyl carbitol, ethylene glycol dimethyl ether etc.; Alcohol, for example methyl alcohol etc.; Nitrile, for example acetonitrile etc.; Organic acid, for example acetate, formic acid, trifluoroacetic acid etc.; Mineral acid, for example hydrogen fluoride, sulfuric acid etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The close electric fluorizating agent that is used in this reaction is not particularly limited, as long as their routines are used for the addition reaction of fluorine atom to the carbon-to-carbon multikey.Its preferred embodiment comprises fluorine gas, trifluoromethyl Hydroxyl fluoride ester, acetyl Hydroxyl fluoride ester, difluoro xenon, perchloryl's fluorine, the inferior fluoric acid ester of cesium sulfate, N-fluorine pyridine fluoroform sulphonate, N-fluoro-N-alkyl propadiene sulphonamide, N-fluorine asccharin sultam, two (fluoroform sulfone) imides of N-fluorine, two (benzene sulfone) imides of N-fluorine and N-fluoro-O-benzene disulfonyl imines, further preferred fluorine gas.The consumption of the electric fluorizating agent of parent is 0.05-50mol, is preferably the every mol formula of 0.1-20mol/ [28] compound or its salt.

The additive that can be used in this reaction is not particularly limited as required, as long as its routine is used in the close electric fluoridation.Its preferred embodiment comprises an acidic catalyst, for example boron trifluoride, hydrogen fluoride etc.; Organic and mineral alkali, for example triethylamine, Sodium Fluoride etc.; Halogen, for example chlorine, bromine, iodine etc.These additives can be separately or are used as two or more mixture.In this reaction, the consumption of additive is 0.01-10mol, be preferably the every mol formula of 0.1-10mol/ [28] compound or its salt.

This reaction was carried out 1 minute to 72 hours, preferred 5 minutes to 48 hours under to 100 ℃ at-80 ℃ to 170 ℃, preferred-80 ℃ usually.

General formula [28] compound or its salt as above-mentioned reaction raw materials can prepare according to well-known process, just according to the described method of JP-A-53-119882.

[preparation method II-4]

R wherein ²¹Define the same, R ^22cRepresent halogen atom, R ^22fThe amino of representative protection.

(4-1)

General formula [21d] compound or its salt can obtain like this, for example according to Shin JikkenKagaku Koza (new experimental chemistry lecture), 14 volume 1333-1335 pages or leaves (compile by Japanization association (Corporation), 1978) described method, be with or without catalyzer in the presence of, make general formula [21a] compound or its salt and reductive agent the reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Ketone, for example acetone etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Organic acid, for example acetate etc.; Amine, for example hydrazine etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The reductive agent that is used in this reaction is not particularly limited, as long as it is the reagent that routine is used for the nitro of reduction of aromatic nitro-compound.Its preferred embodiment comprises sodium amide, lithium amide, zinc, aluminium-nickel, tin, tin protochloride (II), iron, sodium borohydride, tetrahydrobenzene, hydrogen etc.The consumption of reductive agent is 0.01-100mol, be preferably the every mol formula of 0.01-30mol/ [21a] compound or its salt.

Catalyzer as being used in as required in this reaction for example can use mineral acid, for example hydrochloric acid, sulfuric acid etc.; Lewis acid, for example nickelous chloride (II), tin protochloride (II) etc.; Metal-salt, for example two (acetylacetonate) copper (II) etc.; Palladium catalyst, for example palladium-carbon, saturnine palladium-lime carbonate etc.; Rhodium; Raney nickel; Platinum oxide (IV); Deng.The consumption of palladium catalyst and Raney nickel is the 0.01-100 weight part, be preferably the every weight part formula of 0.1-10 weight part [21a] compound or its salt.Catalyst consumption except that palladium catalyst and Raney nickel is the 0.01-10 weight part, be preferably the every weight part formula of 0.01-5.0 weight part [21a] compound or its salt.

This reaction was carried out 1 minute to 72 hours, preferred 30 minutes to 24 hours under to 150 ℃ at-78 ℃ to 250 ℃, preferred-50 ℃ usually.

(4-2)

General formula [21d] compound or its salt can obtain like this, for example according to Shin JikkenKagaku Koza (new experimental chemistry lecture), 14 volumes are 1336 pages (compile by Japanization association (Corporation), 1978) described method, be with or without catalyzer in the presence of, make general formula [21b] compound or its salt and reductive agent the reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Ketone, for example acetone etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Organic acid, for example acetate etc.; Amine, for example hydrazine etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The reductive agent that is used in this reaction is not particularly limited, as long as it is the reagent that routine is used for the azido-of reduction of aromatic triazo-compound.Its preferred embodiment comprises zinc, chromium chloride (II), tributyltin hydride, lithium aluminium hydride, hydrogen etc.The consumption of reductive agent is 0.01-100mol, be preferably the every mol formula of 0.01-30mol/ [21b] compound or its salt.

As the catalyzer that is used in this reaction, for example can relate to mineral acid, for example hydrochloric acid, sulfuric acid etc.; Palladium-carbon, saturnine palladium-lime carbonate, platinum oxide (IV) etc.Catalyst consumption is 0.01-10mol, be preferably the every mol formula of 0.01-5.0mol/ [21b] compound or its salt.For example, if use palladium catalyst and Raney nickel, then catalyst consumption can be the 0.01-10 weight part, be preferably 0.1-5.0 weight part/every weight part formula [21b] compound or its salt.

This reaction was carried out 1 minute to 72 hours, preferred 30 minutes to 24 hours under to 150 ℃ at-78 ℃ to 250 ℃, preferred-50 ℃ usually.

(4-3)

General formula [21d] compound or its salt can obtain like this, according to Shin Jikken KagakuKoza (new experimental chemistry lecture), 14 volume 1342-1351 pages or leaves (compile by Japanization association (Corporation), 1978) described method, be with or without copper catalyst in the presence of, make general formula [21c] compound or its salt and aminating agent the reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Ester, for example ethyl acetate etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The aminating agent that is used in this reaction is not particularly limited, as long as it is that routine is used for carrying out aminating reagent by the nucleophilic substitution of aromatic halogen compound.Its preferred embodiment comprises ammonia; Ammoniacal liquor; Alkali metal ammonia compound, for example sodium amide etc.; Ammonium salt, for example volatile salt etc.The consumption of aminating agent is equimolar amount at least, is preferably the every mol formula of 2.0-30mol/ [21c] compound or its salt.

As the copper catalyst that is used in this reaction, for example can relate to copper powder, cuprous chloride etc.The consumption of copper catalyst is 0.01-30mol, be preferably the every mol formula of 0.05-2mol/ [21c] compound or its salt.

This reaction was carried out 1 minute to 96 hours, preferred 30 minutes to 7 hours under 0-250 ℃, preferred 0-40 ℃ usually.

(4-4)

General formula [21b] compound or its salt can obtain like this, according to Shin Jikken KagakuKoza (new experimental chemistry lecture), the described method of 14 volume 1659-1666 pages or leaves (Japanization association (Corporation) compiles, 1978) makes general formula [21c] compound or its salt and trinitride generate the agent reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Ester, for example ethyl acetate etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The trinitride generation agent that is used in this reaction is not particularly limited, and is used for carrying out the reagent that trinitride generates by the nucleophilic substitution of aromatic halogen compound as long as it is a routine.Its preferred embodiment comprises sodiumazide etc.The consumption that trinitride generates agent is equimolar amount at least, is preferably 1.0-30mol, the every mol formula of 1.0-1.5mol/ [21c] compound or its salt more preferably.

This reaction was carried out 1 minute to 96 hours, preferred 5 minutes to 6 hours under 0-250 ℃, preferred 0-40 ℃ usually.

(4-5)

General formula [21d] compound or its salt can obtain like this, according to usual method, just according to the 3rd edition 494-653 page or leaf (John Wiley ﹠amp of Theodora W.Greene:PROTECTIVE GROUPS IN ORGANIC SYNTHESES (blocking group in the organic synthesis); Sons, Inc. compile, 1999) described method, be with or without catalyzer in the presence of, make general formula [21t] compound or its salt and go the protective material reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises water; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Mercaptan, for example sulfur alcohol, thiophenol etc.; Aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform, 1,2-ethylene dichloride etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Thioether, for example dimethyl sulphide etc.; Ketone, for example acetone etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Mineral acid, for example sulfuric acid, hydrochloric acid etc.; Carboxylic acid, for example acetate, trifluoroacetic acid etc.; Sulfonic acid, for example trifluoromethanesulfonic acid etc.; Nitro-paraffin, for example Nitromethane 99Min. etc.; Organic bases, for example pyridine, triethylamine etc.; Deng.These solvents can be separately or are used as two or more mixture.

The protective material that goes that is used in this reaction is not particularly limited, as long as its routine is used to protect protected amino.Its preferred embodiment comprises hydrogen; Ammonium formiate; Zinc; Sodium; Acyl chlorides, for example chloroformic acid vinyl acetate, Acetyl Chloride 98Min. etc.; Organosilane, for example triethyl silicane, trimethyl silyl iodine etc.; Tributyltin hydride; Alkali metal alcoholates, for example potassium tert.-butoxide etc.; Basic metal sulfo-alkoxide, for example sulfo-sodium methylate etc.; 2,3-two chloro-5,6-dicyano-1,4-benzoquinones; Sodium borohydride; An alkali metal salt, for example Potassium monofluoride, sodium iodide etc.; Lewis acid, for example boron trifluoride, aluminum chloride, ruthenium chloride, zinc chloride etc.; Mineral acid, for example hydrochloric acid, Hydrogen bromide, sulfuric acid etc.; Organic acid, for example trifluoroacetic acid, methylsulfonic acid, right-toluenesulphonic acids etc.; Mineral alkali, for example salt of wormwood, sodium bicarbonate, sodium hydroxide etc.; Organic bases, for example piperidines etc.; Amine, for example ammonia, hydrazine etc.; Organolithium compound, for example lithium methide etc.; Nitric acid two ammonium caesiums; Superoxide, for example hydrogen peroxide, ozone, permanganic acid etc.; Deng.To remove protectant consumption be 0.01-1000mol, be preferably the every mol formula of 0.1-100mol/ [21t] compound or its salt.

The catalyzer that is used in as required in this reaction is not particularly limited, as long as its routine is used to protect protected amino.Its preferred embodiment comprises palladium catalyst, for example palladium-carbon etc.; Rhodium, Raney nickel, platinum oxide (IV) etc.For example, the consumption of palladium carbon and Raney nickel is the 0.01-10 weight part, is preferably the every weight part formula of 0.01-5 weight part [21t] compound or its salt.Catalyst consumption except that palladium-carbon and Raney nickel is 0.01-10mol, be preferably the every mol formula of 0.01-5mol/ [21t] compound or its salt.

This reaction was carried out under-80 ℃ to 200 ℃, preferred 0 ℃ to 160 ℃ 1 minute to 48 hours, preferred 5 minutes to 12 hours usually.

[preparation method II-5]

R wherein ^22eDefine the same; R ^21bRepresent formamyl, itrile group or the halo carbonyl of methyl that hydrogen atom, methyl, protection or unprotected methylol, amino methyl or carboxyl, protected or unprotected sulfydryl replace, halogenated methyl, formyl radical, protection; R ²⁵The representation hydroxy blocking group; Its condition is R wherein ^21bExcept the situation of the formamyl of being protected by acyl group.

(5-1)

General formula [21h] compound or its salt can obtain like this, for example according to Shin JikkenKagaku Koza (new experimental chemistry lecture), 14 volume 537-538 pages or leaves (compile by Japanization association (Corporation), 1977) described operation, be with or without additive in the presence of, make general formula [21e] compound or its salt and diazotization agent and hydroxylating agent the reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises mineral acid, for example sulfuric acid, hydrochloric acid, nitric acid etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N-N-methyl-2-2-pyrrolidone N-etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Amine and amine oxide, for example triethylamine, N, accelerine, pyridine-N-oxide etc.; Ketone, for example acetone etc.; Water; Deng.If necessary, these solvents can be used as the mixture use.

The diazotization agent that is used in this reaction is not particularly limited, as long as their routines are used for deaminizating hydroxyl aromatic aminocompound.Its preferred embodiment comprises alkali metal nitrites salts, for example Sodium Nitrite etc.The consumption of diazotization agent is equimolar amount at least, is preferably 1.0-5.0mol, the every mol formula of 1.0-2.0mol/ [21e] compound or its salt more preferably.

As the hydroxylating agent that is used in this reaction, for example can relate to water etc.The consumption of hydroxylating agent is the equimolar amount of formula [21e] compound or its salt at least.Also may use this hydroxylating agent as solvent.

As the additive that is used in this reaction, for example can relate to mantoquita, for example copper sulfate etc.; Mineral alkali, for example sodium hydroxide, yellow soda ash etc.The consumption of additive is 0.01-100mol, be preferably the every mol formula of 0.1-50mol/ [21e] compound or its salt.

This reaction was carried out 1 minute to 24 hours, preferred 30 minutes to 10 hours under to 100 ℃ at-70 ℃ to 200 ℃, preferred-50 ℃ usually.

(5-2)

General formula [21h] compound or its salt can obtain like this, for example according to Shin JikkenKagaku Koza (new experimental chemistry lecture), the described method of 14 volume 535-536 pages or leaves (Japanization association (Corporation) compiles, 1977), hydroxylation general formula [21f] compound or its salt.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Ketone, for example acetone etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The hydroxylating agent that is used in this reaction is not particularly limited, as long as it is that routine is used for carrying out hydroxylated reagent by the nucleophilic substitution of aromatic halogen compound.Its preferred embodiment comprises inorganic and organic bases, for example sodium hydroxide, lithium hydroxide, sodium bicarbonate, salt of wormwood, saleratus, sodium acetate etc.; Inorganic and organic acid, for example hydrochloric acid, phosphoric acid, water-containing formic acid etc.The consumption of hydroxylating agent for 0.01mol at least, be preferably the every mol formula of 0.05-20mol/ [21f] compound or its salt.

This reaction was carried out 1 minute to 96 hours, preferred 10 minutes to 72 hours under to 100 ℃ at-78 ℃ to 180 ℃, preferred-20 ℃ usually.

(5-3)

General formula [21g] compound or its salt can obtain like this, (1) according to Shin Jikken KagakuKoza (new experimental chemistry lecture), 14 volume 570-571 pages or leaves (compile by Japanization association (Corporation), 1977) described method, be with or without copper catalyst in the presence of, make general formula [21f] compound or its salt and nucleophilic substitution agent reaction, perhaps (2) make general formula [21f] compound or its salt and nucleophilic substitution agent reaction in the presence of a kind of alkali.

In the method (1), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Deng.These solvents can be separately or are used as two or more mixture.

The nucleophilic substitution agent that is used in this reaction is not particularly limited, as long as its routine is used for the nucleophilic substitution of aromatic halogen compound.Its preferred embodiment comprises basic metal-C _1-6Rudimentary alkoxide, for example sodium methylate etc.; Basic metal-aryl C _1-6Rudimentary alkoxide, for example phenylcarbinol potassium etc.; An alkali metal salt of organic carboxyl acid, for example sodium acetate etc.If necessary, these nucleophilic substitution agent can be synthesized in reactive system.The consumption of nucleophilic substitution agent is equimolar amount at least, is preferably the every mol formula of 1.0-5.0mol/ [21f] compound or its salt.

Operable as required copper catalyst is not particularly limited, as long as it is the reagent that routine is used for the nucleophilic substitution of aromatic halogen compound.Its preferred embodiment comprises copper catalyst, for example copper powder, cuprous iodide etc.The consumption of copper catalyst is 0.01-30mol, be preferably the every mol formula of 0.05-2mol/ [21f] compound or its salt.

This reaction was carried out 1 minute to 24 hours, preferred 5 minutes to 6 hours under to 50 ℃ at-70 ℃ to 200 ℃, preferred-20 ℃ usually.

In the method (2), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Deng.These solvents can be separately or are used as two or more mixture.

The nucleophilic substitution agent that is used in this reaction is not particularly limited, as long as its routine is used for the nucleophilic substitution of aromatic halogen compound.Its preferred embodiment comprises C _1-6Lower alcohol, for example methyl alcohol, ethanol, Virahol, vinyl carbinol etc.; Aryl C _1-6Lower alcohol, for example phenylcarbinol etc.; The phenol that replaces, for example quinhydrones, right-methoxyphenol etc.; α-diketone, 3-methyl isophthalic acid for example, 2-cyclopentanedione etc.; Beta-diketon, 2-methyl isophthalic acid for example, 3-cyclopentanedione etc.; Deng.The consumption of nucleophilic substitution agent is equimolar amount at least, is preferably the every mol formula of 1.0-5.0mol/ [21f] compound or its salt.

The alkali that is used in this reaction is not particularly limited, as long as its routine is used for the nucleophilic substitution of aromatic halogen compound.Its preferred embodiment comprises organic bases, for example triethylamine, pyridine etc.; Mineral alkali, for example yellow soda ash, salt of wormwood etc.The consumption of alkali is 0.01-30mol, be preferably the every mol formula of 0.5-2mol/ [21f] compound or its salt.

This reaction was carried out 1 minute to 24 hours, preferred 5 minutes to 6 hours under to 100 ℃ at-70 ℃ to 200 ℃, preferred-20 ℃ usually.

(5-4)

General formula [21h] compound or its salt can obtain like this, according to usual method, just according to Theodora W.Greene:PROTECTIVE GROUPS IN ORGANIC SYNTHESES (blocking group in the organic synthesis) the 3rd edition 75 and 249-287 page or leaf (John Wiley ﹠amp; Sons, Inc. compile, 1999) described method, be with or without catalyzer in the presence of, make general formula [21g] compound or its salt and go the protective material reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises water; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Mercaptan, for example sulfur alcohol, thiophenol etc.; Aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform, 1,2-ethylene dichloride etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Thioether, for example dimethyl sulphide etc.; Ketone, for example acetone, methylethylketone etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Mineral acid, for example sulfuric acid, hydrochloric acid etc.; Carboxylic acid, for example acetate, trifluoroacetic acid etc.; Sulfonic acid, for example trifluoromethanesulfonic acid etc.; Organic bases, for example pyridine, triethylamine etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The protective material that goes that is used in this reaction is not particularly limited, as long as its routine is used to protect protected aromatic alcohol.Its preferred embodiment comprises hydrogen; Lewis acid, for example aluminum chloride, boron tribromide, iodo-magnesium complex etc.; Mineral acid, for example Hydrogen bromide etc.; Acid-salt, for example pyridine hydrochloride etc.; Mineral alkali, for example salt of wormwood, sodium bicarbonate, sodium hydroxide etc.; Oxygenant, for example cesium nitrate two ammoniums, iron(ic) chloride (III), 2,3-two chloro-5,6-dicyano-1,4-benzoquinones; Deng.To remove protectant consumption be 0.01-50mol, be preferably the every mol formula of 0.1-30mol/ [21g] compound or its salt.

The catalyzer that is used in as required in this reaction is not particularly limited, as long as its routine is used to protect protected aromatic alcohol.Its preferred embodiment comprises palladium catalyst, for example palladium-carbon etc.; Rhodium; Raney nickel; Platinum oxide (IV) etc.The consumption of palladium carbon and Raney nickel is the 0.001-10 weight part, be preferably the every weight part formula of 0.01-5 weight part [21g] compound or its salt.Catalyst consumption except that palladium-carbon and Raney nickel is 0.001-10mol, be preferably the every mol formula of 0.01-5mol/ [21g] compound or its salt.

This reaction was carried out under-80 ℃ to 200 ℃, preferred 0 ℃ to 160 ℃ 1 minute to 48 hours, preferred 5 minutes to 12 hours usually.

(5-5)

General formula [21g] compound or its salt can obtain like this, makes the reaction of general formula [21e] compound or its salt and diazotization agent and a kind of alcohol or sulfonic acid.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises mineral acid, for example sulfuric acid, hydrochloric acid, nitric acid etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N-N-methyl-2-2-pyrrolidone N-etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Amine and amine oxide, for example triethylamine, N, accelerine, pyridine-N-oxide etc.; Ketone, for example acetone etc.; Alcohol, for example methyl alcohol, ethanol etc.; Water; Deng.If necessary, these solvents can be used as the mixture use.

The diazotization agent that is used in this reaction is not particularly limited, as long as their routines are used for the diazotization aromatic amido compound.Its preferred embodiment comprises alkali metal nitrites salts, for example Sodium Nitrite etc.The consumption of diazotization agent is equimolar amount at least, is preferably the every mol formula of 1.0-5.0mol/ [21e] compound or its salt.

As the alcohol that is used in this reaction, for example can relate to methyl alcohol etc.The consumption of alcohol is the equimolar amount of formula [21e] compound or its salt at least.If necessary, this alcohol can be used as solvent.

The sulfonic acid that is used in this reaction comprises methylsulfonic acid, right-toluenesulphonic acids etc.The consumption of sulfonic acid is equimolar amount at least, is preferably the every mol formula of 1.0-5.0mol/ [21e] compound or its salt.If necessary, also may use this sulfonic acid as solvent.

This reaction was carried out 1 minute to 24 hours, preferred 30 minutes to 10 hours under to 100 ℃ at-70 ℃ to 200 ℃, preferred-50 ℃ usually.

[preparation method II-6]

R wherein ²²Define the same; R ^21cMethyl, halogenated methyl or formyl radical that represent methylidene, protection or unprotected methylol or amino methyl, protected or unprotected sulfydryl replace; R ²⁶The representation carboxy blocking group; R ²⁷Represent halogen atom.

(6-1)

General formula [21j] compound or its salt can obtain like this, according to Shin Jikken KagakuKoza (new experimental chemistry lecture), 15 volume 922-926 pages or leaves (compile by Japanization association (Corporation), 1977) or ibid 14 volume 1051-1053 pages or leaves (Japanization association (Corporation) compiles, 1977) described method makes general formula [21i] compound or its salt and oxidant reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Ketone, for example acetone etc.; Organic bases, for example pyridine etc.; Organic acid, for example acetate etc.; Mineral acid, for example nitric acid, sulfuric acid etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The oxygenant that is used in this reaction is not particularly limited, as long as it is conventionally used as aromatic carboxylic acid's oxygenant.Preferred embodiment comprises potassium permanganate, chromic oxide (VI), sodium dichromate 99, tin anhydride, silver suboxide, molybdenum oxide (VI) etc.The consumption of oxygenant is 0.1-20mol, be preferably the every mol formula of 0.5-10mol/ [21i] compound or its salt.

This reaction was carried out 5 minutes to 72 hours, preferred 30 minutes to 24 hours under-50 ℃ to 170 ℃, preferred 0-150 ℃ usually.

(6-2) general formula [21m] compound or its salt can obtain like this, according to Shin JikkenKagaku Koza (new experimental chemistry lecture), the described method of 14 volume 1002-1016 pages or leaves (Japanization association (Corporation) compiles, 1977), esterification general formula [21j] compound or its salt.

Particularly, adoptable method be (1) be with or without catalyzer or dewatering agent in the presence of, utilize a kind of alcohol to carry out dehydrating condensation, (2) handle with alkylating agent, (3) make the reaction of the alkali metal salts or ammonium salt of general formula [21j] compound and sulfuric acid dialkyl or alkyl halide, (4) be with or without catalyzer in the presence of, make the reaction of general formula [21j] compound or its salt and halogenating agent, generate active intermediate, carboxylic acid halides [21l] etc. for example, then be with or without a kind of alkali in the presence of with a kind of alcohol reaction, etc.

In the method (1), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Deng.These solvents can be separately or are used as two or more mixture.

Catalyzer as being used in as required in this reaction for example can relate to mineral acid, for example hydrochloric acid, sulfuric acid etc.; Organic acid, for example aromatic sulfonic acid etc.; Lewis acid, for example boron trifluoride etherate etc.Catalyst consumption is 0.01-20mol, be preferably the every mol formula of 0.01-10mol/ [21j] compound or its salt.

Dewatering agent as being used in as required in this reaction for example can relate to carbodiimide, for example dicyclohexylcarbodiimide, DIC etc.The consumption of dewatering agent is equimolar amount at least, is preferably the every mol formula of 1-20mol/ [21j] compound or its salt.

This reaction was carried out 5 minutes to 10 days, preferred 30 minutes to 6 days under-20 ℃ to 200 ℃, preferred 0-180 ℃ usually.

In the method (2), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises ether, for example diethyl ether, diox, tetrahydrofuran (THF) etc.; Aromatic hydrocarbon, for example benzene, toluene etc.; Ortho ester, for example triethyl orthoformate etc.; Deng.These solvents can be separately or are used as two or more mixture.

As the alkylating agent that is used in this reaction, for example can relate to diazonium compound, for example diazomethane etc.; Ortho ester, for example triethyl orthoformate etc.; Deng.The consumption of alkylating agent is equimolar amount at least, is preferably the every mol formula of 1-20mol/ [21j] compound or its salt.

This reaction was carried out 5 minutes to 72 hours, preferred 30 minutes to 48 hours under-20 ℃ to 200 ℃, preferred 0-180 ℃ usually.

In the method (3), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Ketone, for example acetone etc.; Acid amides, N for example, dinethylformamide etc.; Deng.These solvents can be separately or are used as two or more mixture.

As an alkali metal salt that is used in this reaction, for example can relate to sodium salt and sylvite.As ammonium salt, for example can relate to organic alkali salt, for example tetramethyl ammonium salt etc.If necessary, these salt can generate in reactive system.

Sulfuric acid dialkyl as being used in this reaction for example can relate to methyl-sulfate, ethyl sulfate etc.As the alkyl halide that is used in this reaction, for example can relate to methyl-iodide, iodoethane etc.The consumption of sulfuric acid dialkyl and alkyl halide is equimolar amount at least, is preferably the every mol general formula of 1-20mol/ [21j] compound or its salt.

This reaction was carried out 5 minutes to 72 hours, preferred 30 minutes to 48 hours under-20 ℃ to 250 ℃, preferred 0-180 ℃ usually.

In the method (4), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Ketone, for example acetone etc.; Deng.These solvents can be separately or are used as two or more mixture.

As the halogenating agent that is used in this reaction, can relate to inorganic halogen compounds, for example thionyl chloride, phosphorus pentachloride, phosphorus trichloride, phosphoryl chloride etc.; Oxalyl halogen, for example oxalyl chloride, oxalyl bromine etc.; Deng.The consumption of halogenating agent in this reaction is equimolar amount at least, is preferably the every mol formula of 1-10mol/ [21j] compound or its salt.

Catalyzer as being used in as required in this reaction can relate to organic bases, for example triethylamine, pyridine etc.; Lewis acid, for example zinc chloride etc.; Iodine; N, dinethylformamide; Deng.Catalyst consumption is 0.001-10mol, be preferably the every mol formula of 0.001-0.5mol/ [21j] compound or its salt.

As the alkali that is used in this reaction, can relate to organic and mineral alkali, for example pyridine, xylidine, MAGNESIUM METAL etc.The consumption of alkali is equimolar amount at least, is preferably the every mol formula of 1-10mol/ [21j] compound or its salt.

This reaction was carried out 1 minute to 72 hours, preferred 10 minutes to 24 hours under to 120 ℃ at-20 ℃ to 200 ℃, preferred-10 ℃ usually.

(6-3)

General formula [21m] compound or its salt can obtain like this, for example according to Collect.Czech.Chem.Commun., 54 volume 5 phase 1306-1310 pages or leaves (1989) described methods, be with or without catalyzer in the presence of, general formula [21k] compound or its salt and a kind of ester are reacted.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises sulfuric acid, water etc.These solvents can be separately or are used as two or more mixture.

As the ester that is used in this reaction, for example can relate to Pyruvic Acid Methyl ester, Pyruvic Acid Ethyl ester etc.The consumption of ester is 0.1-10mol, be preferably the every mol formula of 0.2-5mol/ [21k] compound or its salt.

As the catalyzer that is used in as required in this reaction, for example can relate to copper sulfate, aqueous hydrogen peroxide etc.Catalyst consumption is 0.01-10mol, be preferably the every mol formula of 0.1-5mol/ [21k] compound or its salt.

This reaction was carried out 5 minutes to 72 hours, preferred 30 minutes to 24 hours under to 100 ℃ at-50 ℃ to 150 ℃, preferred-20 ℃ usually.

[preparation method II-7]

R wherein ²⁶And R ²⁷Define the same; R ^22dHydroxyl, protection or unprotected amino, halogen atom, nitro or the azido-of representative protection.

(7-1)

General formula [21q] compound or its salt can obtain like this, according to Shin Jikken KagakuKoza (new experimental chemistry lecture), the described method of 14 volume 1106-1119 and 1136-1147 page or leaf (Japanization association (Corporation) compiles, 1977), amidation general formula [21n] compound or its salt.

Particularly, adoptable method comprise (1) be with or without catalyzer or dewatering agent in the presence of, carry out the dehydration of compound [21n] or its salt with ammonia, (2) make the reaction of compound [21n] or its salt and amidating agent, (3) make the reaction of compound [21n] or its salt and halogen compounds, generate active intermediate, acetyl halide compound [21o] etc. for example is then with ammonia react etc.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Ketone, for example acetone etc.; Acid amides, N for example, dinethylformamide etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

Catalyzer as being used in as required in the reaction (1) for example can relate to activated alumina; Organic acid, for example aromatic sulfonic acid etc.Catalyst consumption is 0.01-20mol, be preferably the every mol formula of 0.1-10mol/ [21n] compound or its salt.

Dewatering agent as being used in the reaction (1) for example can relate to carbodiimide, for example dicyclohexylcarbodiimide, DIC etc.Amidating agent as being used in the reaction (2) for example can relate to urea etc.Halogen compounds as being used in the reaction (3) for example can relate to halogenating agent, for example oxalyl chloride, thionyl chloride etc.In these reactions, the consumption of dewatering agent, amidating agent and halogen compounds is equimolar amount at least, is preferably the every mol formula of 1-20mol/ [21n] compound or its salt.

These reactions were carried out 5 minutes to 72 hours, preferred 30 minutes to 48 hours under-20 ℃ to 200 ℃, preferred 0-180 ℃ usually.

(7-2)

General formula [21q] compound or its salt can obtain like this, for example according to Shin JikkenKagaku Koza (new experimental chemistry lecture), 14 volume 1147-1151 pages or leaves (compile by Japanization association (Corporation), 1977) described method, be with or without catalyzer in the presence of, make general formula [21p] compound or its salt be subjected to the ammonolysis reaction of carboxylicesters.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

Although this reaction can be carried out under the typical conditions of aromatic carboxylic acid's ester aminolysis, be preferred but adopt the method for gaseous ammonia, liquid ammonia or ammoniacal liquor.

As the catalyzer that is used in as required in this reaction, can relate to the ammonium salt of acid, for example ammonium chloride etc.; Alkali, for example sodium methylate, butyllithium etc.; Alkali metal ammonia compound, for example sodium amide etc.; Deng.Catalyst consumption is 0.01-100mol, be preferably the every mol formula of 0.01-20mol/ [21p] compound or its salt.

This reaction was carried out 1 minute to 72 hours, preferred 30 minutes to 50 hours under to 100 ℃ at-100 ℃ to 250 ℃, preferred-78 ℃ usually.

(7-3)

General formula [21q] compound or its salt can obtain like this, according to Shin Jikken KagakuKoza (new experimental chemistry lecture), 14 volume 1151-1154 pages or leaves (compile by Japanization association (Corporation), 1977) described method, (1) under acidic conditions, (2) be with or without peracid in the presence of, under alkaline condition, perhaps (3) under neutrallty condition, amidation general formula [21r] compound or its salt.

In the method (1), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Mineral acid, for example hydrochloric acid, sulfuric acid, Tripyrophosphoric acid etc.; Organic acid, for example acetate, formic acid etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

As the acid that is used in this reaction, for example can relate to mineral acid, for example hydrochloric acid, sulfuric acid, Tripyrophosphoric acid etc.; With the saturated organic acid of Lewis acid, for example hydrogenchloride, hydrogen bromide, boron trifluoride etc.; Deng.The consumption of acid is 0.1-100mL, is preferably the every gram formula of 0.5-50mL [21r] compound or its salt, represents with volume/weight ratio (mL/g).If necessary, these acid can be used as solvent.

This reaction was carried out 1 minute to 72 hours, preferred 5 minutes to 48 hours under 0-200 ℃, preferred 0-160 ℃ usually.

In the method (2), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Ester, for example ethyl acetate etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The alkali that is used in this reaction is not particularly limited, as long as its routine is used for carbamyl aromatics nitrile.Its preferred embodiment comprises alkali metal base, for example sodium hydroxide etc.; The aqueous solution of amine, for example ammoniacal liquor etc.The consumption of alkali is 0.1-20mol, be preferably the every mol formula of 0.5-10mol/ [21r] compound or its salt.

As the peracid that is used in this reaction, can relate to hydrogen peroxide etc.The consumption of peracid is 0.1-20mol, be preferably 0.5-10mol formula [21r] compound or its salt.

This reaction was carried out 1 minute to 72 hours, preferred 5 minutes to 48 hours under-20 ℃ to 170 ℃, preferred 0-160 ℃ usually.

In the method (3), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises halohydrocarbon, for example methylene dichloride etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Nitrile, for example acetonitrile etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The reagent that is used in this reaction is not particularly limited, as long as it is the reagent that routine is used for carbamyl aromatics nitrile.Its preferred embodiment comprises Manganse Dioxide etc.The consumption of reagent is equimolar amount at least, is preferably the every mol formula of 1-100mol/ [21r] compound or its salt.

This reaction was carried out 5 minutes to 72 hours, preferred 30 minutes to 48 hours under-20 ℃ to 170 ℃, preferred 0-160 ℃ usually.

(7-4)

General formula [21q] compound or its salt can obtain like this, for example according to Collect.Czech.Chem.Commun., 54 volume 5 phase 1306-1310 pages or leaves (1989) described methods, be with or without catalyzer in the presence of, general formula [21s] compound or its salt and a kind of acid amides are reacted.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises sulfuric acid, water etc.These solvents can be separately or are used as two or more mixture.

As the acid amides that is used in this reaction, for example can relate to methane amide.The consumption of acid amides is 0.1-100mol, be preferably the every mol general formula of 0.2-50mol/ [21s] compound or its salt.

Catalyzer as being used in as required in this reaction for example can relate to copper sulfate, aqueous hydrogen peroxide etc.Catalyst consumption is 0.01-10mol, be preferably the every mol general formula of 0.1-5mol/ [21s] compound or its salt.

This reaction was carried out 5 minutes to 72 hours, preferred 30 minutes to 24 hours under to 100 ℃ at-50 ℃ to 150 ℃, preferred-20 ℃ usually.

[preparation method II-8]

R wherein ^22cDefine the same; R ^21dMethyl, halogenated methyl, formyl radical, itrile group or halo carbonyl that represent methylidene, protection or unprotected methylol, amino methyl, formamyl or carboxyl, protected or unprotected sulfydryl replace.

(8-1)

General formula [21v] compound or its salt can obtain like this, for example according to Jikken KagakuKoza (experimental chemistry lecture) the 4th edition, 23 volumes (compile by Japanization association (Corporation), 1991) described method, be with or without catalyzer in the presence of, make general formula [21u] compound or its salt and oxidant reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform etc.; Ketone, for example acetone etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Nitrile, for example acetonitrile, benzonitrile etc.; Organic acid, for example acetate, trifluoroacetic acid etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The oxygenant that is used in this reaction is not particularly limited, as long as its routine is used for tertiary amine oxide.Its preferred embodiment comprises inorganic peracid, for example hydrogen peroxide etc.; Organic peracid, for example between-chlorine peroxybenzoic acid, peracetic acid, cross trifluoroacetic acid etc.; Two TMOSs, for example dimethyl two TMOSs etc.; Superoxide, for example Potassium Persulfate, Sodium peroxoborate etc.; Ozone; Gaseous oxygen; Deng.If necessary, these oxygenants can synthesize in reactive system.The consumption of oxygenant is 0.01-10mol, be preferably the every mol formula of 1.0-5.0mol/ [21u] compound or its salt.

As the catalyzer that can be used in as required in this reaction, for example can relate to molybdenum oxide, ferric oxide (III) etc.Catalyst consumption is the 0.01-100 weight part, be preferably the every weight part formula of 0.1-10 weight part [21u] compound or its salt.

This reaction was carried out 1 minute to 24 hours, preferred 30 minutes to 8 hours under-78 ℃ to 200 ℃, preferred 0-150 ℃ usually.

(8-2)

General formula [21w] compound or its salt can obtain like this, and according to Heterokan Kagoubutsuno Kagaku, the described method of 177-201 page or leaf (science talk society compiles 1988) makes the reaction of general formula [21v] compound or its salt and halogenating agent.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Deng.These solvents can be separately or are used as two or more mixture.

Be used in this reaction reagent without limits, as long as it is halogenating agent.The preferred embodiment of halogenating agent comprises phosphoryl chloride, thionyl chloride etc.The consumption of halogenating agent is 0.3-100mol, be preferably the every mol general formula of 1-30mol/ [21v] compound or its salt.

This reaction was carried out 1 minute to 24 hours, preferred 30 minutes to 6 hours under-20 ℃ to 200 ℃, preferred 0-120 ℃ usually.

[preparation method II-9]

R wherein ^21cDefine the same; R ²⁶Representative replaces or unsubstituted phenyl; N represents 1 or 2.

General formula [21y] compound or its salt can obtain like this, according to Shin Jikken KagakuKoza (new experimental chemistry lecture), (Japanization association (Corporation) compiles for 14 volume 1749-1756 and 1759-1763 page or leaf, 1978) described method makes general formula [21x] compound or its salt and oxidant reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform etc.; Ketone, for example acetone etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Nitrile, for example acetonitrile, benzonitrile etc.; Organic acid, for example acetate, trifluoroacetic acid etc.; Organic bases, for example pyridine, quinoline etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The oxygenant that is used in this reaction is not particularly limited, as long as it is the reagent that routine is used for sulfide oxidation.Its preferred embodiment comprises peracid, for example hydrogen peroxide, peracetic acid, peroxybenzoic acid ,-chlorine peroxybenzoic acid etc.; Sodium metaperiodate, hydrogen peroxide, ozone, tin anhydride, chromic acid, nitrogen tetroxide, nitric acid acyl ester, iodine, bromine, N-bromine succinimide, iodosobenzene, SULPHURYL CHLORIDE add hydrated silica gel, t-butyl hypochlorate, ruthenium oxide, osmium oxide (VIII) etc.If necessary, these oxygenants can synthesize in reactive system.The consumption of these oxygenants is 0.01-10mol, be preferably the every mol general formula of 1.0-5.0mol/ [21x] compound or its salt.

This reaction was carried out 1 minute to 24 hours, preferred 30 minutes to 8 hours under-78 ℃ to 200 ℃, preferred 0-150 ℃ usually.

Below, use description to synthetic general formula [25] among preparation method II-1 and the II-2 and the method for [27] compound or its salt of being used in.

[preparation method II-A]

R wherein ²¹, R ^22a, R ^22cThe same with the X definition.

(A-1)

General formula [25] compound or its salt can obtain like this; (1) according to Shin Jikken KagakuKoza (new experimental chemistry lecture); 14 volume 383-387 pages or leaves (compile by Japanization association (Corporation); 1977) described method; in the presence of additive; amino with diazotization agent deaminizating general formula [29] compound or its salt; make the deaminizating product be subjected to halogenation then; perhaps (2) are according to the described method of Theodora W.Greene:PROTECTIVE GROUPS IN ORGANIC SYNTHESES (blocking group in the organic synthesis) the 3rd edition 503-615 page or leaf (1999); be with or without additive in the presence of, make general formula [29] compound or its salt and protective material the reaction.

In the method (1), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises mineral acid, for example sulfuric acid, hydrochloric acid, Hydrogen bromide, nitric acid etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N-N-methyl-2-2-pyrrolidone N-etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Amine and amine oxide, for example triethylamine, N, accelerine, pyridine-N-oxide etc.; Ketone, for example acetone etc.; Water; Deng.If necessary, these solvents can be used as the mixture use.

The diazotization agent that is used in this reaction is not particularly limited, as long as their routines are used for the diazotization aromatic amido compound.Its preferred embodiment comprises alkali metal nitrites salts, for example Sodium Nitrite etc.The consumption of diazotization agent is equimolar amount at least, is preferably 1.0-5.0mol, the every mol formula of 1.0-2.0mol/ [29] compound or its salt more preferably.

As the additive that is used in this reaction, for example can relate to mantoquita, for example cuprous chloride, cuprous bromide etc.; Molysite, for example iron(ic) chloride, iron bromide etc.The consumption of additive is 0.01-100mol, be preferably the every mol formula of 1-50mol/ [29] compound or its salt.

This reaction was carried out 1 minute to 24 hours, preferred 30 minutes to 10 hours under to 100 ℃ at-70 ℃ to 200 ℃, preferred-50 ℃ usually.

In the method (2), the solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises water; Alcohol, for example methyl alcohol, ethanol, propyl alcohol etc.; Aliphatic hydrocrbon, for example normal hexane etc.; Aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform, ethylene dichloride etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Thioether, for example dimethyl sulphide etc.; Ketone, for example acetone, methylethylketone etc.; Nitrile, for example acetonitrile etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Acetal, N for example, dinethylformamide dimethyl-acetal etc.; Mineral acid, for example sulfuric acid, hydrochloric acid etc.; Carboxylic acid, for example acetate, trifluoroacetic acid etc.; Organic bases, for example pyridine, triethylamine etc.; Water; Deng.These solvents can be separately or are used as two or more mixture.

The protective material that is used in this reaction is not particularly limited, as long as it is the reagent that routine is used to protect aromatic amido compound.Its preferred embodiment comprises organohalogen compound, for example Benzoyl chloride, benzyl chloroformate, trityl chloride etc.; Organic acid anhydride, for example diacetyl oxide, tert-Butyl dicarbonate etc.; Aldehyde, for example phenyl aldehyde etc.; Acetal, N for example, dinethylformamide dimethyl-acetal etc.; Deng.Protectant consumption is equimolar amount at least; be preferably 1.0-5.0mol, the every mol formula of 1.0-3.0mol/ [29] compound or its salt more preferably, except such a case, wherein protective material is as solvent; N for example, the dinethylformamide dimethyl-acetal.

As the additive that is used in this reaction, for example use mineral alkali, for example sodium bicarbonate, sodium hydride, sodium hydroxide etc.; Carboxylate salt, for example sodium acetate etc.; Organic bases, for example pyridine, triethylamine etc.; Organolithium compound, for example n-Butyl Lithium etc.; Silicoorganic compound, for example trimethylsilyl chloride etc.; An alkali metal salt, for example sodium sulfate etc.; Ortho acid, for example ethyl orthoformate etc.; Organic acid, for example acetate, right-toluenesulphonic acids, N-hydroxy-succinamide etc.; Mineral acid, for example hydrochloric acid, Tetrafluoroboric acid etc.; Basic metal, for example sodium etc.; Carbodiimide, N for example, N '-dicyclohexylcarbodiimide etc.; N, N '-carbonyl dimidazoles etc.; Crown ether, for example hexaoxacyclooctadecane-6-6 etc.; Ammonium salt, for example iodate four positive fourth ammoniums etc.; Mantoquita, for example cupric chloride etc.; Palladium salt, for example Palladous chloride etc.; Deng.The consumption of additive is 0.01-100mol, be preferably the every mol formula of 1-50mol/ [29] compound or its salt.

This reaction was carried out 1 minute to 24 hours, preferred 10 minutes to 10 hours under to 160 ℃ at-70 ℃ to 200 ℃, preferred-50 ℃ usually.

General formula [29] compound or its salt as above-mentioned reaction initial compounds for example can be according to J.Med.Chem. (medical chemistry magazine), and the described method of 8 volume 638-642 pages or leaves (1965) is prepared.

(A-2)

General formula [25] compound or its salt can obtain like this, be with or without additive in the presence of, halogenation general formula [30] compound.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example toluene etc.; Ether, for example tetrahydrofuran (THF) etc.; Deng.If necessary, these solvents can be used as the mixture use.

The halogenating agent that is used in this reaction is not particularly limited, as long as it is conventional halogenating agent.The example comprises Phosphorates phosphorus Halides, for example phosphoryl chloride, phosphoryl bromide, phosphorus pentachloride, dichloro triphenyl phosphorane etc.; Has halogen ionic compound, for example phosgene, thionyl chloride, benzene sulfonyl chloride etc.; Deng.If necessary, these reagent can be used as the mixture use.Although the consumption of halogenating agent is different because of the kind of halogenating agent, but use the equimolar amount of general formula [30] compound or its salt at least.If necessary, this halogenating agent can be used as solvent.For example, if use phosphoryl chloride, then it can be used as solvent, and its consumption can be 2.0-100mol, be preferably the every mol formula of 2.0-30mol/ [30] compound or its salt.

Additive as being used in as required in this reaction for example can relate to alkali, for example pyridine, N, N-Diethyl Aniline etc.Although the consumption of additive is different because of the kind of additive, but its consumption can be 0.1-30mol, be preferably the every mol formula of 1.0-10mol/ [30] compound or its salt.

This reaction was carried out 30 minutes to 48 hours, preferred 1 hour to 24 hours under 0-300 ℃, preferred 20-120 ℃ usually.

General formula [30] compound or its salt can obtain like this, for example according to Shin Jikken KagakuKoza (new experimental chemistry lecture), the described method of 14 volume (III) 1266-1277 pages or leaves (Japanization association (Corporation) compiles, 1978) makes the reaction of general formula [31] compound or its salt and nitrating agent.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises mineral acid, for example sulfuric acid, hydrochloric acid, phosphoric acid etc.; Aliphatic carboxylic acid, for example acetate etc. and acid anhydrides; Ether, for example diethyl ether etc.; Halohydrocarbon, for example methylene dichloride etc.; Water; Deng.If necessary, these solvents can be used as the mixture use.

As the nitrating agent that is used in this reaction, for example can relate to mineral acid, lining day little nitric acid; Base metal nitrate, for example saltpetre etc.; Salt made from earth containing a comparatively high percentage of sodium chloride, for example nitre a tetrafluoro borate, nitre fluoroform sulphonate etc.; Deng.If necessary, these reagent can be used as the mixture use.

Although the consumption of nitrating agent in this reaction is different because of the kind of nitrating agent, but can use the equimolar amount of general formula [31] compound or its salt at least, be preferably 1.0-10mol, the every mol formula of 1.0-3.0mol/ [31] compound or its salt more preferably.

This reaction was carried out 10 minutes to 48 hours, preferred 1 hour to 24 hours under-60 ℃ to 200 ℃, preferred 0-100 ℃ usually.

(A-3)

General formula [25] compound or its salt can obtain like this, for example according to Shin Jikken KagakuKoza (new experimental chemistry lecture), 14 volume 1106-1119 pages or leaves (compile by Japanization association (Corporation), 1977) described method, be with or without catalyzer in the presence of, make general formula [34] compound or its salt and halogenating agent the reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Halohydrocarbon, for example methylene dichloride, chloroform etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Ketone, for example acetone etc.; Deng.These solvents can be separately or are used as two or more mixture.

The halogenating agent that is used in this reaction is not particularly limited, as long as it is conventional halogenating agent.The example comprises inorganic halogen compounds, for example thionyl chloride, phosphorus pentachloride, phosphorus trichloride, phosphoryl chloride etc.; Oxalyl halogen, for example oxalyl chloride, oxalyl bromine etc.; Deng.The consumption of halogenating agent is equimolar amount at least, is preferably the every mol formula of 1-10mol/ [34] compound or its salt.

Catalyzer as being used in as required in this reaction for example can relate to organic bases, for example triethylamine, pyridine etc.; Lewis acid, for example chlorination diction etc.; Iodine; N, dinethylformamide; Deng.Catalyst consumption is 0.001-10mol, be preferably the every mol formula of 0.001-0.5mol/ [34] compound or its salt.

This reaction was carried out 1 minute to 72 hours, preferred 10 minutes to 24 hours under to 120 ℃ at-20 ℃ to 200 ℃, preferred-10 ℃ usually.

(A-4)

General formula [25] compound or its salt can obtain like this, in the presence of a kind of alkali, makes general formula [35] compound or its salt and nucleophilic substitution agent reaction.

The solvent that is used in this reaction is not particularly limited, unless reaction is had a negative impact.The example of solvent comprises aromatic hydrocarbon, for example benzene,toluene,xylene etc.; Ether, for example diox, tetrahydrofuran (THF), phenylmethylether, diethyl carbitol, ethylene glycol dimethyl ether etc.; Acid amides, N for example, dinethylformamide, N,N-dimethylacetamide etc.; Sulfoxide, for example dimethyl sulfoxide (DMSO) etc.; Deng.These solvents can be separately or are used as two or more mixture.

The nucleophilic substitution agent that is used in this reaction is not particularly limited, as long as its routine is used for the nucleophilic substitution of aromatic halogen compound.Its preferred embodiment comprises the phenol of replacement, for example quinhydrones, right-methoxyphenol etc.; Aryl mercaptan, for example thiophenol etc.; Deng.The consumption of nucleophilic substitution agent is equimolar amount at least, is preferably the every mol formula of 1.0-5.0mol/ [35] compound or its salt.

The alkali that is used in this reaction is not particularly limited, as long as it is the reagent that routine is used for the nucleophilic substitution of aromatic halogen compound.Its preferred embodiment comprises organic bases, for example triethylamine, pyridine etc.; Mineral alkali, for example yellow soda ash, salt of wormwood etc.The consumption of alkali is 0.01-30mol, be preferably the every mol formula of 0.5-2mol/ [35] compound or its salt.

This reaction was carried out 1 minute to 24 hours, preferred 5 minutes to 6 hours under to 50 ℃ at-70 ℃ to 200 ℃, preferred-20 ℃ usually.

[preparation method II-B]

R wherein ^21aAnd R ^22bDefine the same.

(B-1)

General formula [27] compound or its salt can obtain like this, makes general formula [32] compound or its salt be subjected to the described identical reaction with preparation method II-4-1.

(B-2)

General formula [32] compound or its salt can obtain like this, makes general formula [33] compound or its salt be subjected to the described identical reaction with preparation method II-A-2.

Below, the method for general formula [21] compound or its salt as feedstock production general formula [23] compound of using will be described.

Wherein A ', R ²¹, R ²², R ²³, R ²⁴The same with the dotted line definition; Its condition is R ²¹It is formamyl or by the formamyl of acyl substituted and R ²²Be except the situation of hydroxyl.

General formula [23] compound or its salt can prepare like this, makes general formula [21] compound or its salt be subjected to hydroxylating and/or carbamyl reaction.

In this reaction; hydroxylation can be carried out like this; make formula [21] compound or its salt be subjected to the method for itself knowing; for example reduction, replacement, sandmeyer reaction, hydrolysis and/or the protective reaction etc. mentioned such as preparation method II-4-1, II-4-2, II-4-3, II-4-4, II-5-1, II-5-3, II-5-4 are perhaps suitably united these methods.

In this reaction; carbamylization can be carried out like this; make formula [21] compound or its salt be subjected to the method for itself knowing; for example oxidation, reduction, replacement, addition, halogenation, dehydration and/or the hydrolysis reaction etc. mentioned such as preparation method II-6-1, II-6-2, II-6-3, II-7-1, II-7-2, II-7-3, II-7-4 are perhaps suitably united these methods.

All carry out under the situation of hydroxylation and carbamylization in these reactions, hydroxylation and carbamylization can be carried out prior to another arbitrarily.

As the formula [21] of the above-mentioned method that is used for preparing midbody compound salt, can relate to known at basic group, for example salt that forms of amino position and the salt that forms in positions such as acidic-group, for example hydroxyl, carboxyls to [35] compound.As the salt that forms in the basic group position, for example can relate to the salt that forms with mineral acid, for example hydrochloric acid, Hydrogen bromide, sulfuric acid etc.; Salt with formation such as organic carboxyl acid, for example tartrate, formic acid, citric acid, trichoroacetic acid(TCA), trifluoroacetic acids; With sulfonic acid, for example methylsulfonic acid, Phenylsulfonic acid, right-toluenesulphonic acids,

The salt that sulfonic acid, naphthene sulfonic acid etc. form.As the salt that forms in the acidic-group position, for example can relate to the salt that forms with basic metal, for example sodium, potassium etc.; Salt with formation such as alkaline-earth metal, for example calcium, magnesium; Ammonium salt; With nitrogenous organic base, for example Trimethylamine 99, triethylamine, Tributylamine, pyridine, N, accelerine, N-methyl piperidine, N-methylmorpholine, diethylamine, dicyclohexyl amine, PROCAINE HCL, PHARMA GRADE, dibenzylamine, N-benzyl-β-phenylethylamine, 1-ephenamine, N, the salt that N '-dibenzyl-ethylenediamin etc. form.

And then in above-mentioned preparation method, the salt of general formula [21] to [35] compound can replace general formula [21] to [35] compound, as salt, can use above-mentioned identical salt.

In some cases, general formula [21] to [35] compound and salt thereof can have isomer, for example tautomer, optically active isomer, positional isomers etc. and solvation product.Under this class situation, all these isomer and solvation product can be with in the present invention.After reaction was finished, the target compound of reaction need not to separate next step that can former state be used for method.

Exactly, R therein ²²Be in general formula [21] compound of OH, have following ketone type and enol form tautomer, these tautomers are identical compound in itself.

In above-mentioned preparation method, general formula [21] to [35] compound or its salt can have amino, formamyl, hydroxyl, sulfydryl or carboxyl.Under this class situation, might protect these groups with conventional blocking group in advance, the method for knowing according to itself after reaction is removed blocking group.

Below, the present invention will be described by the pyrazines derivatives of general formula [1] representative or the antiviral and cytotoxic activity of its salt.

Sample: will be dissolved in dimethyl sulfoxide (DMSO) by pyrazines derivatives or its salt of general formula [1] representative, and make the solution that concentration is 10mg/mL.In use, it is standby solution to be diluted to desired concn with substratum.

Substratum: when amplification MDCK (deriving from the dog kidney), MA-104 (deriving from the monkey kidney) and HEp-2 cell (derive from the people and swallow cancer) and cell toxicity test, use 10% foetal calf serum E '-MEM.

As the host cell of influenza virus with when the cell toxicity test, use mdck cell.The MA-104 cell is as the host cell of rotavirus, and the HEp-2 cell is as the host cell of RS virus.

Test routine 1[anti-influenza virus activity]

On 6 hole flat boards (being made by CORNING), density is 5 * 10 with the mdck cell plating ⁵Cells/well, under the condition of 5% carbonic acid gas 35 ℃ of following overnight incubation.Influenza virus (A/PR/8/34 strain) is diluted to 200PFU/mL with serum free medium, infects and absorption reaches one hour by the ratio in 0.5mL/ hole.After infection and absorption are finished, add E '-MEM substratum, wherein contain test compound and 0.6% noble agar, 1% bovine serum albumin and the 3 μ g/mL acetylize trypsinase of predetermined concentration.After fully condensing, flat board is inverted, is continued to cultivate 3 days.After cultivation is finished, survivaling cell is dyeed with 1% toluylene red,, remove nutrient agar, the quantity of counting plaque by flowing water with cell 10% formalin fixed.The plaque inhibiting rate is to represent based on the percentage of the check sample that does not contain test compound.

The result is shown in Table I-2, and wherein the numbering of test compound is identical with embodiment.

Table I-2

And then also having estimated according to the mode identical with test example 1 can be from the anti-influenza virus activity of The compounds of this invention deutero-by the salt of the nitrogen heterocyclic ring carbamoyl derivatives of general formula [23] representative or described derivative.As test compound, use 6-fluoro-3-hydroxyl-2-Zinamide, it is dissolved in dimethyl sulfoxide (DMSO), make the 10mg/mL substratum, it is standby to be diluted to predetermined concentration with culture solution.Found that under the test compound concentration of 1 μ g/mL, anti-influenza virus activity is 100%, represents with the plaque inhibiting rate, prove that test compound is excellent antiviral agent.

Test routine 2[anti-rotavirus activity]

On 6 hole flat boards (being made by CORNING), density is 5 * 10 with MA-104 cell plating ⁵Cells/well, under the condition of 5% carbonic acid gas 37 ℃ of following overnight incubation.Will be with 30 minutes rotavirus (Ku strain) of 10 μ g/mL acetylize trypsinase activation with the serum-free culture solution dilution to 140PFU/mL, infect and absorption reaches one hour by the ratio in 0.5mL/ hole.After infection and absorption are finished, remove the infection substratum, add E ' MEM substratum, wherein contain 30 μ g/mL test compounds, 5 μ g/mL trypsinase and 1.4% agarose.Under the condition of 5% carbonic acid gas, infection there is the MA-104 cell of rotavirus cultivated 3 days down at 37 ℃, stack contains 0.7% agarose of 0.005% toluylene red then, continues to cultivate other one day under above-mentioned the same terms.After cultivation is finished, will fix with 3% formaldehyde solution, and remove with the agar solidified and supply the examination substratum, count the quantity of plaque then for examination is dull and stereotyped.Calculate inhibiting rate from the plaque quantity of compound treatment group and untreated fish group to rotavirus.

Found that example I-1 compound exhibits anti-rotavirus activity.

Test the anti-RS virus of routine 3[(respiratory syncytial virus) activity]

The HEp-2 cell is spread out on 6 hole flat boards (being made by CORNING), and density is 5 * 10 ⁵Cells/well, under the condition of 5% carbonic acid gas 37 ℃ of following overnight incubation.RS virus (A-2 strain) is diluted to 140PFU/mL with serum free medium, infects and absorption reaches one hour by the ratio in 0.5mL/ hole.After infection and absorption are finished, remove the infection substratum, add E ' MEM substratum, wherein contain 30 μ g/mL test compounds, 0.12% glutamine, 2% foetal calf serum and 1% methylcellulose gum.Under the condition of 5% carbonic acid gas, infection there is the HEp-2 cell of RS virus cultivated 3 days down at 35 ℃.After cultivation is finished, will fix with 3% formaldehyde solution, remove the confession examination substratum that contains methylcellulose gum for examination is dull and stereotyped.Then, will be for the dull and stereotyped 5%Giemza solution-dyed of using of examination, the quantity of counting plaque.Calculate inhibiting rate from the plaque quantity of compound treatment group and untreated fish group to RS virus.

Found that the anti-RS virus activity of example I-14 compound exhibits.

Test routine 4[cytotoxic activity]

The substratum that will contain the predetermined concentration test compound joins in the 96 hole flat boards (being made by CORNINGCO.), and volume is 100 μ L/ holes.Subsequently, the dispersed system of preparation mdck cell in substratum, concentration is 2 * 10 ⁴Cell/mL disseminates by the ratio in 100 μ L/ holes, cultivates 3 days down at 37 ℃ under the condition of 5% carbonic acid gas.Finish when cultivating, according to the quantity of XTT method (for example CANCERRESEARCH (cancer research), 48 volume 4827-4833 pages or leaves (1988) etc.) counting survivaling cell.

As a result, all are listed in compound exhibits 100 μ g/mL in the Table I-2 or 50% above cell growth inhibitory concentration (IC ₅₀).

The best mode that carries out an invention

Below, explain compound of the present invention and preparation intermediate of the present invention with reference to reference example and embodiment.The present invention never only limits to this.

In following reference example and embodiment, blending ratio related in eluent is " volume ratio ".The carrier of column chromatography is silica gel BW-127ZH (being made by Fuji Silysia Chemical Co.); The carrier of reverse-phase chromatography be YMC.GEL ODS-AM 120-S50 (YMC CO., LTD.); The carrier of ion exchange column chromatography method is DEAE Mierocrystalline cellulose (being made by Wako Pure ChemicalIndustries).

The mark that is used among reference example and the embodiment has following meanings:

DMSO-d ₆: deuterated dimethyl sulfoxide

Reference example I-1

Dissolving 17.0g 3-amino-6-bromo-2-pyrazine carboxylate methyl ester in the 100mL vitriol oil.Under ice-cooled temperature, add the 10.1g Sodium Nitrite, stirred 30 minutes.Pour reaction mixture into 920mL methyl alcohol, heating is 5 hours under refluxing.After the reaction mixture, under reduced pressure enriched mixture joins the gained resistates in the mixture of 500mL frozen water and 600mL chloroform the gained demixing.Organic layer is used continuously the saturated aqueous solution washing of saturated aqueous solution, water and the sodium-chlor of sodium bicarbonate, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.So obtain 6.30g6-bromo-3-methoxyl group-2-pyrazine carboxylate methyl ester, be light yellow oiliness product.

IR(KBr)cm ^-1：1735

¹H-NMR(CDCl ₃)δ：3.97(3H，s)，4.06(3H，s)，8.37(1H，s)

Reference example I-2

In nitrogen atmosphere, 11.4g 6-bromo-3-methoxyl group-2-pyrazine carboxylate methyl ester is dissolved in 227mL toluene, add 10.3g benzophenone imine, 0.42g three (dibenzalacetone) two palladiums, 0.86g (s)-(-)-2 continuously, 2 '-two (diphenyl phosphine)-1,1 '-dinaphthalene and 6.20g sodium tert-butoxide.The gained mixture was stirred one hour down at 80 ℃.After the reaction mixture, filter.Filtrate is through column chromatography purifying (eluent: toluene: ethyl acetate=20: 1).The gained oily product is dissolved in the 140mL tetrahydrofuran (THF), adds 7mL 2mol/L hydrochloric acid, the gained mixture was at room temperature stirred 15 minutes.The mixture that adds 200mL chloroform and 50mL water in reaction mixture adds 1mol/L sodium hydroxide then with the alkalization mixture, separates organic layer.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Resistates is through column chromatography purifying (eluent: toluene: ethyl acetate=1: 1), obtain 3.64g 6-amino-3-methoxyl group-2-pyrazine carboxylate methyl ester, be yellow oily product.

IR(KBr)cm ^-1：1716，1670

¹H-NMR(DMSO-d ₆)δ：3.80(3H，s)，3.82(3H，s)，7.20(2H，brs)，7.77(1H，s)

Reference example I-3

Dissolving 3.5g 6-amino-3-methoxyl group-2-pyrazine carboxylate methyl ester in 70mL methyl alcohol.After the introducing ammonia is made saturated solution in solution, solution was at room temperature stirred 14 hours.Under reduced pressure from reaction mixture, remove and desolvate, obtain 3.1g 6-amino-3-methoxyl group-2-Zinamide, be solid product.

IR(KBr)cm ^-1：1684

¹H-NMR(DMSO-d ₆)δ：3.79(3H，s)，5.87(2H，brs)，7.30-7.75(3H，m)

Reference example I-4

In nitrogen atmosphere, under ice-cooled temperature, 1.50g 6-amino-3-methoxyl group-2-Zinamide is dissolved in 12mL 70% hydrogen fluoride-pyridine solution.Then, add the 0.71g Sodium Nitrite down, the gained mixture was stirred one hour down at 10 ℃ at-50 ℃.After stirred reaction mixture reaches other one hour, add the mixture of 50mL frozen water and 100mL chloroform, the gained demixing.With the saturated aqueous solution washing of organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.So obtain 1.29g 6-fluoro-3-methoxyl group-2-Zinamide, be solid product.

IR(KBr)cm ^-1：1707

¹H-NMR(DMSO-d ₆)δ：3.95(3H，s)，7.55-8.15(2H，m)，8.39(1H，d，J＝8.3Hz)

Reference example I-5

In nitrogen atmosphere, the 1.51g sodium iodide is dissolved in the 22mL acetonitrile.After adding the 1.10g trimethylsilyl chloride, the gained mixture was at room temperature stirred 20 minutes.Add 0.43g 6-fluoro-3-methoxyl group-2-Zinamide then, the gained mixture was stirred 18 hours under above-mentioned uniform temp.Reaction mixture is joined 10mL water in the mixture of 200mL chloroform, formed demixing.Organic layer is continuously with the saturated aqueous solution washing of 5% sodium thiosulfate solution and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Resistates is through column chromatography purifying (eluent: hexane: ethyl acetate=2: 1), obtain 0.06g 6-fluoro-3-hydroxyl-2-Zinamide, be white solid product.

IR(KBr)cm ^-1：1685，1658

¹H-NMR(CDCl ₃)δ：5.40-7.80(2H，m)，8.31(1H，d，J＝7.8Hz)，12.33(1H，s)

Reference example I-6

Dissolving 1.0g 6-chloro-3-oxo-3 in the 40mL ethylene dichloride, 4-dihydro-2-pyrazine carboxylate methyl ester.In nitrogen atmosphere, add 1.0mL 1,1,1,3,3 continuously, 3-hexamethyldisilazane and 0.54mL chlorine trimethyl silane heated 2 hours down at 90 ℃.Make the mixture cooling, under reduced pressure remove and desolvate.Resistates is dissolved in the 30mL ethylene dichloride, adds 2.68g β-D-ribofuranose-1-acetic ester-2,3 continuously, 5-three benzoic ethers and 1.24mL tin chloride (IV) at room temperature stirred the gained mixture 16 hours.Reaction mixture is joined in the 30mL frozen water, transfer to pH 8, layering with the saturated aqueous solution of sodium bicarbonate.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through column chromatography purifying (eluent: hexane: ethyl acetate=4: 1), obtain 1.76g 4-{ (2R, 3R, 4R, 5R)-3, two (the benzoyloxy)-5-[(benzoyloxys of 4-) methyl] tetrahydrochysene-2-furyl }-6-chloro-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester is yellow oily product.

IR(neat)cm ^-1：1728

¹H-NMR(CDCl ₃)δ：3.94(3H，s)，4.5-4.9(3H，m)，5.6-6.0(2H，m)，6.3-6.5(1H，m)，7.1-8.2(16H，m)

Reference example I-7

Suspension 0.80g 4-{ in 16mL methyl alcohol (2R, 3R, 4R, 5R)-3, and two (the benzoyloxy)-5-[(benzoyloxys of 4-) methyl] tetrahydrochysene-2-furyl }-6-chloro-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester.In with ice-cooled suspension, add the methanol solution of 0.73g 28% sodium methylate, the gained mixture was stirred one hour under above-mentioned uniform temp.At room temperature stir the mixture reach other 3 hours after, mixture is transferred to pH 7 with 6mol/L hydrochloric acid, under reduced pressure remove and desolvate.Resistates is through column chromatography purifying (eluent: chloroform: methyl alcohol=10: 1), obtain 0.29g 6-chloro-4-[(2R, 3R, 4S, 5R)-3,4-dihydroxyl-5-(methylol) tetrahydrochysene-2-furyl]-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester is yellow oily product.

IR(neat)cm ^-1：1728

¹H-NMR(CDCl ₃+DMSO-d ₆)δ：3.6-5.6(11H，m)，5.99(1H，s)，8.67(1H，s)

Reference example I-8

At 4.0mL N, dissolving 0.39g 3-oxo-3 in the dinethylformamide, 4-dihydro-2-pyrazine carboxylate methyl ester.In nitrogen atmosphere, add the 90mg sodium hydride, at room temperature stirred 2 hours.Then, add 0.50g 4-[(three benzyloxies) methyl]-the 4mL tetrahydrofuran (THF) suspension of 2-cyclopentenes-1-yl acetate, 0.62g four-triphenyl phosphine palladium and 50mg triphenyl phosphine, the gained mixture was at room temperature stirred one hour, then 60 ℃ of stirrings 4 hours down.Make the reaction mixture cooling,, transfer to pH 4, layering with 1mol/L hydrochloric acid with 30mL ethyl acetate and the dilution of 20mL water.Organic layer is used continuously the saturated aqueous solution washing of saturated aqueous solution, water and the sodium-chlor of sodium bicarbonate, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Resistates is through column chromatography purifying (eluent: hexane: ethyl acetate=1: 1), obtain 0.23g 3-oxo-4-{4-[(three benzyloxies) methyl]-2-cyclopentenes-1-yl }-3,4-dihydro-2-pyrazine carboxylate methyl ester is light yellow oiliness product.

IR(neat)cm ^-1：1735

¹H-NMR(CDCl ₃)δ：1.2-1.6(2H，m)，2.8-3.4(3H，m)，3.98(3H，s)，5.6-5.8(1H，m)，5.8-6.1(1H，m)，6.2-6.4(1H，m)，7.0-7.6(17H，m)

Reference example I-9

Dissolving 0.20g 3-oxo-4-{4-[(three benzyloxies in 2.0mL 80% acetic acid aqueous solution) methyl]-2-cyclopentenes-1-yl }-3,4-dihydro-2-pyrazine carboxylate methyl ester heats gained solution one hour down at 80 ℃.Make the reaction mixture cooling,, leach sedimentary precipitation, under reduced pressure concentrated filtrate with the dilution of 10mL water.Resistates process column chromatography purifying (eluent: ethyl acetate), obtain 77mg 4-[4-(methylol)-2-cyclopentenes-1-yl]-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester is light yellow oiliness product.

IR(neat)cm ^-1：1738

¹H-NMR(CDCl ₃)δ：1.4-1.7(1H，m)，2.2-3.2(3H，m)，3.5-3.9(2H，m)，3.96(3H，s)，5.6-5.8(1H，m)，5.8-6.1(1H，m)，6.2-6.5(1H，m)，7.43(1H，d，J＝4.2Hz)，7.70(1H，d，J＝4.2Hz)

Reference example I-10

At 6.0mLN, dissolving 0.24g 3-oxo-3 in the dinethylformamide, 4-dihydro-2-pyrazine carboxylate methyl ester.After adding 82mg 18-hat-6-ether and 62mg sodium hydride, the gained mixture was heated one hour down at 80 ℃.Then, drip 0.30g (4aR, 7R, 8aS)-2-phenyl six hydrogen pyrans also [3,2-d] [the 3.0mL N of 1,3] dioxine-7-base 4-toluene sulfonic acide ester, dinethylformamide solution, with the gained mixture 100 ℃ of heating 4 hours down.Make the reaction mixture cooling, with 50mL ethyl acetate and the dilution of 25mL water, layering.And then the waterbearing stratum is with three parts of 25mL ethyl acetate extractions.Merge all gained organic layers, wash with the saturated aqueous solution of sodium bicarbonate and the saturated aqueous solution of sodium-chlor continuously, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through column chromatography purifying (eluent: toluene: ethyl acetate=3: 1).In purified product, add isopropyl ether and diethyl ether, solid collected by filtration product.So obtain 84mg 4-[(4aR, 7S, 8aS)-and 2-phenyl six hydrogen pyrans [3,2-d] [1,3] dioxine-7-yl]-3-oxo-3 also, 4-dihydro-2-pyrazine carboxylate methyl ester is white solid product.

IR(KBr)cm ^-1：1732

¹H-NMR(DMSO-d ₆)δ：1.97-2.37(2H，m)，3.22-4.36(6H，m)，3.95(3H，s)，5.4-5.6(1H，m)，5.67(1H，s)，7.3-7.5(5H，m)，8.35(1H，d，J＝10Hz)，8.37(1H，d，J＝10Hz)

Reference example I-11

At 5.7mL N, dissolving 0.38g 3-oxo-3 in the dinethylformamide, 4-dihydro-2-pyrazine carboxylate methyl ester.After adding the 0.10g sodium hydride, the gained mixture was heated 30 minutes down at 80 ℃.Then, and adding 0.19g (1aS, 3aS, 7aR, 7bS)-and 6-phenyl six hydrogen-1,3,5,7-four oxa-ring third [a]-naphthalenes heated other 4.5 hours down at 100 ℃.Make the reaction mixture cooling, with 30mL ethyl acetate and the dilution of 20mL water, gained demixing.And then, waterbearing stratum 30mL ethyl acetate extraction.Merge all gained organic layers, wash with the saturated aqueous solution of sodium bicarbonate and the saturated aqueous solution of sodium-chlor continuously, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through column chromatography purifying (eluent: toluene: ethyl acetate=2: 1), add isopropyl ether and diethyl ether, the solid collected by filtration product.So obtain 65mg 4-[(4aR, 7R, 8S, 8aS)-and 8-hydroxyl-2-phenyl six hydrogen pyrans [3,2-d] [1,3] dioxine-7-yl]-3-oxo-3 also, 4-dihydro-2-pyrazine carboxylate methyl ester is yellow solid product.

IR(KBr)cm ^-1：3447，1740

¹H-NMR(CDCl ₃)δ：2.69(1H，d，J＝2.2Hz)，3.98(3H，s)，3.52-4.62(7H，m)，4.6-5.0(1H，m)，5.59(1H，s)，7.2-7.6(5H，m)，7.52(1H，d，J＝4.0Hz)，8.17(1H，d，J＝4.0Hz)

Reference example I-12

At 12.2mL 1,1,1,3,3, suspension 1.52g 3-oxo-3 in the 3-hexamethyldisilazane, 4-dihydro-2-pyrazine carboxylate methyl ester.The gained suspension was heated one hour under refluxing.Make the mixture cooling, under reduced pressure remove and desolvate.In nitrogen atmosphere, the gained resistates is dissolved in the 30mL ethylene dichloride, add 4.98g β-D-ribofuranose-1-acetic ester-2,3 continuously, 5-three benzoic ethers and 1.73mL tin chloride (IV) at room temperature stirred the gained mixture 14 hours.Reaction mixture leaches precipitation with the saturated aqueous solution dilution of 30mL chloroform and 30mL sodium bicarbonate, gets organic layer.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through column chromatography purifying (eluent: normal hexane: ethyl acetate=1: 1), obtain 3.4g 4-{ (2R, 3R, 4R, 5R)-3, two (the benzoyloxy)-5-[(benzoyloxys of 4-) methyl] tetrahydrochysene-2-furyl }-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester is white solid product.

IR(KBr)cm ^-1：1728

¹H-NMR(CDCl ₃)δ：3.95(3H，s)，4.55-5.00(3H，m)，5.75-6.00(2H，m)，6.42(1H，d，J＝3.0Hz)，7.20-8.20(17H，m)

Reference example I-13

Handle 4-{ (2R according to the mode identical with reference example I-7,3R, 4R, 5R)-3, two (the benzoyloxy)-5-[(benzoyloxys of 4-) methyl] tetrahydrochysene-2-furyl }-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester obtains 4-[(2R, 3R, 4S, 5R)-3,4-dihydroxyl-5-(methylol) tetrahydrochysene-2-furyl]-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester.

IR(KBr)cm ^-1：1740

¹H-NMR(DMSO-d ₆)δ：3.60-4.20(5H，m)，3.83(3H，s)，5.00-5.40(2H，m)，5.61(1H，d，J＝4.6Hz)，5.91(1H，s)，7.47(1H，d，J＝4.4Hz)，8.29(1H，d，J＝4.4Hz)

Reference example I-14

Suspension 0.50g 4-[(2R in 5mL acetone, 3R, 4S, 5R)-3,4-dihydroxyl-5-(methylol) tetrahydrochysene-2-furyl]-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester.Then, add continuously 1mL trimethyl orthoformate and 33mg right-the toluenesulphonic acids monohydrate, with the heating one hour under refluxing of gained mixture, under reduced pressure remove and desolvate.Resistates is through column chromatography purifying (eluent: ethyl acetate), obtain 0.49g 4-[(3aR, 4R, 6R, 6aR)-6-(methylol)-2,2-dimethyl-tetrahydrofuran also [3,4-d] [1,3] Dioxol-4-yl]-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester is white solid product.

IR(KBr)cm ^-1：1728

¹H-NMR(CDCl ₃)δ：1.34(3H，s)，1.59(3H，s)，3.10(1H，brs)，3.65-4.25(2H，m)，3.95(3H，s)，4.49(1H，s)，4.92(2H，s)，5.91(1H，s)，7.48(1H，d，J＝4.3Hz)，7.89(1H，d，J＝4.3Hz)

Reference example I-15

Dissolving 0.22g 4-[(3aR in the 4mL pyridine, 4R, 6R, 6aR)-6-(methylol)-2, the 2-dimethyl-tetrahydrofuran is [3,4-d] [1,3] Dioxol-4-yl also]-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester.Then, add 0.17g di(2-ethylhexyl)phosphate benzyl ester, 0.40g triphenyl phosphine and 0.30mL diisopropyl azo-2-carboxylic acid continuously, at room temperature stirred 15 hours, under reduced pressure remove and desolvate.Resistates is through column chromatography purifying (eluent: ethyl acetate); obtain 0.37g4-[(3aR; 4R; 6R, 6aR)-6-({ [two (benzyloxy) phosphoryl] oxygen base } methyl)-2,2-dimethyl-tetrahydrofuran also [3; 4-d] [1; 3] Dioxol-4-yl]-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester is the orange solids product.

IR(KBr)cm ^-1：1734

¹H-NMR(CDCl ₃)δ：1.31(3H，s)，1.56(3H，s)，3.96(3H，s)，4.10-4.30(2H，m)，4.30-4.55(1H，m)，4.55-4.70(2H，m)，4.90-5.15(4H，m)，5.85-5.95(1H，m)，7.10-7.85(12H，m)

Reference example I-16

Dissolving 1.1g is according to J.Heterocycl.Chem. (heterocyclic chemistry magazine) in 33mL methyl alcohol, and 19 roll up the explanation synthetic 3-oxo-3 of 1397-1402 pages or leaves (1982), 4-dihydro-2-pyrazine formonitrile HCN.In with ice-cooled solution, introduce gaseous hydrogen chloride until saturated, then solution was stirred 8 hours under above-mentioned uniform temp.Under reduced pressure remove and desolvate, under ice-cooled temperature, the gained resistates is dissolved in the methanol solution of 55mL 7mol/L ammonia, gained solution was stirred 5 minutes under above-mentioned uniform temp.Filter and collect the solid product that is generated, obtain 1.1g 3-oxo-3,4-dihydro-2-pyrazine imido is the light yellow solid product for methane amide (carboximidamide).

IR(KBr)cm ^-1：3379，3000，1698

¹H-NMR(DMSO-d ₆)δ：7.50(1H，d，J＝2.0Hz)，8.33(1H，brs)，8.18(1H，d，J＝2.0Hz)，8.33(2H，brs)

Reference example I-17

Dissolving 0.30g 6-fluoro-3-oxo-3 in the mixture of 0.5mL ethanol and 1.9mL diethyl ether, 4-dihydro-2-pyrazine formonitrile HCN.In with ice-cooled solution, introduce gaseous hydrogen chloride until saturated, stirred solution reaches 5 hours then.Reaction mixture is mixed with the 5.0mL diethyl ether, filter and collect sedimentary solid product, mixture and the 5mL diethyl ether with 10mL diethyl ether, 2.5mL ethanol and 2.5mL diethyl ether washs continuously.So obtain 0.28g 6-fluoro-3-oxo-3,4 dihydros-2-pyrazine imido subtituted acid ester (carboximidoate), be yellow solid product.

IR(KBr)cm ^-1：3041，1670

¹H-NMR(DMSO-d ₆+D ₂O)δ：1.43(3H，t，J＝7.0Hz)，4.50(2H，q，J＝7.0Hz)，8.49(1H，d，J＝8.0Hz)

Reference example I-18

Under ice-cooled temperature, in 2.0mL ethanol, introduce ammonia, make saturated solution, add 0.10g 6-fluoro-3-oxo-3 then, 4-dihydro-2-pyrazine imido subtituted acid ester (carboximidoate) and 2.0mL ethanol.Elevated temperature is placed mixture 17 hours to room temperature.Filter and collect sedimentary solid product, use washing with alcohol.The gained resistates is through silica gel column chromatography purifying (eluent: chloroform: methyl alcohol=10: 1), add ethanol in purified product, the solid collected by filtration product.So obtain 20mg 6-fluoro-3-oxo-3,4-dihydro-2-pyrazine imido is for methane amide (carboximidamide).

IR(KBr)cm ^-1：3445，3030，1684

¹H-NMR(DMSO-d ₆+D ₂O)δ：8.26(1H，d，J＝8.5Hz)

Example I-1

At 5.0mL 1,1,1,3,3, suspension 1.0g 3-hydroxyl-2-Zinamide in the 3-hexamethyldisilazane.Suspension was heated 30 minutes under refluxing, and cooling under reduced pressure removes and desolvates.In nitrogen atmosphere resistates is dissolved in the 5.0mL ethylene dichloride, adds 3.11g β-D-ribofuranose-1-acetic ester-2,3 continuously, 5-three benzoic ethers and 0.50mL tin chloride (IV) at room temperature stirred the gained mixture 22 hours.Reaction mixture with the dilution of 30mL ethyl acetate and 20mL water, is transferred to pH 8 with the saturated aqueous solution of sodium bicarbonate, leach precipitation, the separation organic layer.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Resistates is through column chromatography purifying (eluent: ethyl acetate: methyl alcohol=10: 1), add isopropyl ether then, the solid collected by filtration material.So obtain 0.41g[(2R, 3S, 4S, 5R)-and 5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-3, two (benzoyloxy) tetrahydrochysenes of 4--2-furyl] methyl benzoic acid ester, be white solid product.

IR(KBr)cm ^-1：1734，1685

¹H-NMR(CDCl ₃)δ：4.6-5.1(3H，m)，5.8-6.2(3H，m)，6.39(1H，d，J＝2.5Hz)，7.2-8.2(17H，m)，8.95(1H，brs)

Example I-2

In 4mL methyl alcohol, dissolve 0.37g[(2R, 3R, 4R, 5R)-and 5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-3, two (benzoyloxy) tetrahydrochysenes of 4--2-furyl] methyl benzoic acid ester.In with ice-cooled solution, introduce ammonia until saturated.Reaction mixture was at room temperature stirred 15 hours, under reduced pressure remove and desolvate.Add methyl alcohol to resistates, filter collecting precipitation, obtain 0.12g 4-[(2R, 3R, 4S, 5R)-3,4-dihydroxyl-5-(methylol) tetrahydrochysene-2-furyl]-3-oxo-3,4-dihydro-2-Zinamide is light brown solid product.

IR(KBr)cm ^-1：1654

¹H-NMR(DMSO-d ₆)δ：3.73(2H，dd，J＝5.4，5.4Hz)，3.8-4.2(3H，m)，5.08(1H，brs)，5.24(1H，t，J＝5.4Hz)，5.61(1H，brs)，5.92(1H，s)，7.54(1H，d，J＝4.2Hz)，7.71(1H，brs)，8.27(1H，d，J＝4.2Hz)，8.30(1H，brs)

Example I-3

At 5.0mL 1,1,1,3,3, suspension 0.62g 3-hydroxyl-2-Zinamide in the 3-hexamethyldisilazane.Suspension was heated one hour under refluxing.Make the reaction mixture cooling, under reduced pressure remove and desolvate, in nitrogen atmosphere, resistates is dissolved in the 2.0mL ethylene dichloride, at room temperature to wherein adding according to J.Med.Chem. (medical chemistry magazine), (the 2R of the described operation preparation of 28 volumes, 7 phase 904-910 pages or leaves (1985), 3S)-and 5-(acetoxyl group)-2-[(acetoxyl group) methyl] tetrahydrochysene-3-furyl acetic ester and (3R, 4S)-4, two (acetoxyl group) tetrahydrochysenes of the 6--mixture of 2H-pyrans-3-yl acetate and 3.0mL dichloroethane solution of 0.32mL titanium chloride (IV).After wherein adding the 5.0mL ethylene dichloride, stir the gained mixture and reach 17 hours in addition.With the saturated aqueous solution dilution of reaction mixture with 100mL chloroform and 25mL sodium bicarbonate, leach precipitation, separate organic layer.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through column chromatography purifying (eluent: ethyl acetate: methyl alcohol=10: 1), obtain 0.43g{ (2R, 3S)-and 3-(acetoxyl group)-5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl] tetrahydrochysene-2-furyl } the methyl acetic acid ester, be light brown oily product.

IR(KBr)cm ^-1：1735，1685

¹H-NMR(CDCl ₃)δ：2.07(3H，s)，2.14(3H，s)，1.8-2.6(2H，m)，4.0-4.6(2H，m)，5.0-5.4(2H，m)，6.33(1H，d，J＝5.9Hz)，6.64(1H，brs)，7.76(1H，d，J＝4.2Hz)，7.83(1H，d，J＝4.2Hz)，9.06(1H，brs)

Example I-4

In 2mL methyl alcohol, dissolve 0.20g{ (2R, 3S)-3-(acetoxyl group)-5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl] tetrahydrochysene-2-furyl the methyl acetic acid ester.In with ice-cooled solution, add the methanol solution of 0.23g 28% sodium methylate, stirred 20 minutes.Then, in reaction mixture, add 1.2mL 1mol/L hydrochloric acid, under reduced pressure remove and desolvate.Gained resistates process column chromatography purifying (eluent: chloroform: methyl alcohol=10: 1), obtain 90mg 4-[(4S, 5R)-4-hydroxyl-5-(methylol) tetrahydrochysene-2-furyl]-3-oxo-3,4-dihydro-2-Zinamide is yellow oily product.

IR(KBr)cm ^-1：1684

¹H-NMR(DMSO-d ₆)δ：1.8-2.2(2H，m)，3.0-4.4(4H，m)，4.50-5.20(2H，m)，6.13(1H，d，J＝5.9Hz)，7.59(1H，d，J＝4.2Hz)，7.70(1H，brs)，7.92(1H，d，J＝4.2Hz)，8.45(1H，brs)

Example I-5

Handle 6-fluoro-3-hydroxyl-2-Zinamide according to the mode identical with example I-1, obtain [(2R, 3R, 4R, 5R)-and 5-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-3, two (benzoyloxy) tetrahydrochysenes of 4--2-furyl] methyl benzoic acid ester.

IR(KBr)cm ^-1：1726，1690

¹H-NMR(DMSO-d ₆)δ：4.6-5.0(3H，m)，5.9-6.1(2H，m)，6.33(1H，s)，7.3-8.2(17H，m)，8.53(1H，brs)

Example I-6

In 2.0mL methyl alcohol, dissolve 0.15g[(2R, 3R, 4R, 5R)-and 5-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-3, two (benzoyloxy) tetrahydrochysenes of 4--2-furyl] methyl benzoic acid ester.Then, add the methanol solution of 0.14g 28% sodium methylate, under ice-cooled temperature, stirred 20 minutes, at room temperature stirred then 30 minutes.Reaction mixture with 0.75mL 1mol/L hcl acidifying, is under reduced pressure removed and desolvates.Resistates is through column chromatography purifying (eluent: chloroform: methyl alcohol=5: 1), add Virahol and diethyl ether, the solid collected by filtration product, obtain 40mg4-[(2R, 3R, 4S, 5R)-3,4-dihydroxyl-5-(methylol) tetrahydrochysene-2-furyl]-6-fluoro-3-oxo-3,4-dihydro-2-Zinamide.

IR(KBr)cm ^-1：1686

Example I-7

Dissolving 0.26g 6-chloro-4-[(2R in 4mL methyl alcohol, 3R, 4S, 5R)-3,4-dihydroxyl-5-(methylol) tetrahydrochysene-2-furyl]-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester.In with ice-cooled solution, introduce ammonia until saturated.Reaction mixture was stirred one hour under ice-cooled temperature, under reduced pressure remove then and desolvate.The gained resistates is through column chromatography purifying (eluent: chloroform: methyl alcohol=7: 1), obtain 0.06g 6-chloro-4-[(2R, 3R, 4S, 5R)-3,4-dihydroxyl-5-(methylol) tetrahydrochysene-2-furyl]-3-oxo-3,4-dihydro-2-Zinamide is the light yellow solid product.

IR(KBr)cm ^-1：1693

Example I-8

Dissolving 75mg 4-[4-(methylol)-2-cyclopentenes-1-yl in 1mL methyl alcohol]-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester.At room temperature, add 25% ammonia soln, stirred 13 hours, under reduced pressure remove then and desolvate.Add Virahol to resistates, the solid collected by filtration product obtains 20mg 4-[4-(methylol)-2-cyclopentenes-1-yl]-3-oxo-3,4-dihydro-2-Zinamide is white solid product.

IR(KBr)cm ^-1：1668

¹H-NMR(DMSO-d ₆)δ：1.2-3.8(5H，m)，4.92(1H，brs)，5.8-6.1(2H，m)，6.2-6.4(1H，m)，7.4-8.1(3H，m)，8.20(1H，brs)

Example I-9

Dissolving 80mg 4-[(4aR in 5.0mL 80% acetic acid aqueous solution, 7S, 8aS)-and 2-phenyl six hydrogen pyrans [3,2-d] [1,3] dioxine-7-yl]-3-oxo-3 also, 4-dihydro-2-pyrazine carboxylate methyl ester.Solution was heated 2 hours down at 80 ℃, and cooling then under reduced pressure removes and desolvates.Resistates with the dilution of 20mL water, is washed dephlegmate from the waterbearing stratum with diethyl ether.The gained resistates is dissolved in 4.0mL methyl alcohol, under ice-cooled temperature, introduces ammonia until saturated.After reaction mixture at room temperature stirred 2 hours, under reduced pressure remove and desolvate.Gained resistates process column chromatography purifying (eluent: chloroform: methyl alcohol=10: 1), obtain 24mg 4-[(3S, 5S, 6R)-5-hydroxyl-6-(methylol) tetrahydrochysene-2H-pyrans-3-yl]-3-oxo-3,4-dihydro-2-Zinamide is solid product.

IR(KBr)cm ^-1：3451，1676

¹H-NMR(DMSO-d ₆)δ：1.45-1.85(1H，m)，2.10-2.30(1H，m)，2.95-4.05(6H，m)，4.47(1H，t，J＝5.6Hz)，4.83(1H，d，J＝5.4Hz)，5.20-5.30(1H，m)，7.68(1H，brs)，7.80(1H，brs)，8.24(1H，d，J＝7.0Hz)，8.27(1H，d，J＝7.0Hz)

Example I-10

Handle 4-[(4aR according to the mode identical, 7R, 8S with example I-9,8aS)-8-hydroxyl-2-phenyl six hydrogen pyrans also [3,2-d] [1,3] dioxine-7-yl]-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester, obtain 4-[(3R, 4S, 5S, 6R)-4,5-dihydroxyl-6-(methylol) tetrahydrochysene-2H-pyrans-3-yl]-3-oxo-3,4-dihydro-2-Zinamide.

IR(KBr)cm ^-1：3404，1670

¹H-NMR(DMSO-d ₆)δ：3.42-3.67(4H，m)，3.95(1H，dd，J＝3.1，13Hz)，3.90-3.95(1H，m)，4.02(1H，dd，J＝3.7，13Hz)，4.56(1H，t，J＝6.1Hz)，4.68(1H，q，J＝4.8Hz)，4.75(1H，d，J＝6.1Hz)，5.37(1H，d，J＝4.5Hz)，7.49(1H，d，J＝4.3Hz)，7.66(1H，brs)，8.21(1H，d，J＝4.3Hz)，8.34(1H，brs)

Example I-11

Handle 4-[(3aR according to the mode identical, 4R, 6R with example I-7; 6aR)-and 6-({ [two (benzyloxy) phosphoryl] oxygen base } methyl)-2, the 2-dimethyl-tetrahydrofuran is [3,4-d] [1 also; 3] Dioxol-4-yl]-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester obtains { (3aR; 4R; 6R, 6aR)-6-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-2,2-dimethyl-tetrahydrofuran also [3; 4-d] [1,3] Dioxol-4-yl } the methyl dibenzyl phosphate.

IR(KBr)cm ^-1：1685，1654

¹H-NMR(CDCl ₃)δ：1.35(3H，s)，1.59(3H，s)，4.00-4.65(5H，m)，4.80-5.40(4H，m)，5.93(1H，d，J＝2.2Hz)，6.15(1H，brs)，7.10-7.80(10H，m)，7.59(1H，d，J＝4.3Hz)，7.67(1H，d，J＝4.3Hz)，9.15(1H，brs)

Example I-12

Under ice-cooled temperature, in 3mL 90% trifluoroacetic acid aqueous solution, dissolve 60mg{ (3aR, 4R, 6R, 6aR)-6-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-2,2-dimethyl-tetrahydrofuran also [3,4-d] [1,3] Dioxol-4-yl } the methyl dibenzyl phosphate.Gained solution was stirred 30 minutes under above-mentioned uniform temp, further at room temperature stirred 2 hours, under reduced pressure remove and desolvate.Add diethyl ether to the gained resistates, the solid collected by filtration product is used methanol wash.So obtain 15mg{ (2R, 3S, 4R, 5R)-5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } methyl dihydrogen phosphoric acid ester, be the light red solid product.

IR(KBr)cm ^-1：1654

¹H-NMR(DMSO-d ₆)δ：2.80-4.80(9H，m)，5.90-6.00(1H，m)，7.47(1H，d，J＝4.5Hz)，7.68(1H，brs)，7.97(1H，d，J＝4.5Hz)，8.30(1H，brs)

Example I-13

In the mixture of 2mL tetrahydrofuran (THF) and 1mL water, dissolve 100mg{ (3aR, 4R, 6R, 6aR)-and 6-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-2, the 2-dimethyl-tetrahydrofuran is [3,4-d] [1,3] Dioxol-4-yl also } the methyl dibenzyl phosphate.Behind 6mol/L salt acid for adjusting pH value to 0.5, mixture was at room temperature placed 2 days.Filter to collect sedimentary solid matter, use washing with alcohol, obtain 40mg{ (2R, 3S, 4R, 5R)-5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } the methyl dibenzyl phosphate, be solid product.

IR(KBr)cm ^-1：1676，1660

¹H-NMR(DMSO-d ₆)δ：3.70-4.60(5H，m)，5.04(2H，s)，5.12(2H，s)，5.30-5.45(1H，m)，5.71(1H，d，J＝4.6Hz)，5.85-6.00(1H，m)，7.10-7.60(11H，m)，7.76(1H，brs)，7.78(1H，d，J＝3.9Hz)，8.30(1H，brs)

Example I-14

At 2.0mL 1,1,1,3,3, suspension 0.20g 3-oxo-3 in the 3-hexamethyldisilazane, 4-dihydro-2-pyrazine carboximidamide and 10mg ammonium sulfate.Under nitrogen gas stream, suspension was heated 10 minutes under refluxing.After adding 9.0mg ammonium sulfate, mixture was heated other 2 hours under refluxing.Make the reaction mixture cooling, under reduced pressure remove and desolvate.The gained resistates is dissolved in the 4.0mL acetonitrile, adds 0.46g β-D-ribofuranose-1,2,3 continuously, 5-tetraacetate and 0.34mL tin chloride (IV) at room temperature stirred the gained mixture 3 hours.Then, in reaction mixture, add 10 μ L trifluoroacetic acids and 1.0mL water, under reduced pressure remove and desolvate.And then, utilizing 0.05g 3-oxo-3,4-dihydro-2-pyrazine carboximidamide repeats above-mentioned same reaction.Gained reaction mixture and above-mentioned reaction mixture are merged, product is through reversed-phase silica gel column chromatography method purifying (eluent: acetonitrile: water=1: 4), obtain 0.34g (2R, 3R, 4R, 5R)-and 4-(acetoxyl group)-2-[(acetoxyl group) methyl]-5-[3-[amino (imino-) methyl]-2-oxo-1 (2H)-pyrazinyl] tetrahydrochysene-3-furyl acetic ester, be the light yellow solid product.

IR(KBr)cm ^-1：3392，1750，1685

¹H-NMR(CDCl ₃)δ：2.11(3H，s)，2.16(6H，s)，4.4-4.7(3H，m)，5.31(1H，t，J＝5.0Hz)，5.5-5.6(1H，m)，6.22(1H，d，J＝3.0Hz)，7.8-8.0(1H，m)，8.1-8.3(1H，m)，8.67(1H，brs)，10.45(2H，brs)

Example I-15

Under ice-cooled temperature, in 5.0mL 25% ammonia soln, add 0.10g (2R, 3R, 4R, 5R)-and 4-(acetoxyl group)-2-[(acetoxyl group) methyl]-5-[3-[amino (imino-) methyl]-2-oxo-1 (2H)-pyrazinyl] tetrahydrochysene-3-furyl acetic ester, stir formed mixture 2 hours under above-mentioned uniform temp.After in reaction mixture, adding 4.9mL acetate, under reduced pressure remove and desolvate.And then, utilize 20mg (2R, 3R, 4R, 5R)-and 4-(acetoxyl group)-2-[(acetoxyl group) methyl]-5-[3-[amino (imino-) methyl]-2-oxo-1 (2H)-pyrazinyl] tetrahydrochysene-3-furyl acetic ester repeats above-mentioned same reaction, gained reaction mixture and above-mentioned gained reaction mixture merged.Mixture after the merging is through reversed-phase silica gel column chromatography method purifying (eluent: water).Add 5.0mL 1mol/L hydrochloric acid to the gained solid product, under reduced pressure remove and desolvate.Further add 5.0mL 1mol/L hydrochloric acid, under reduced pressure remove and desolvate.Add ethanol to the gained resistates, the solid collected by filtration product obtains 30mg 4-[(2R, 3R, 4S, 5R)-3,4-dihydroxyl-5-(methylol) tetrahydrochysene-2-furyl]-3-oxo-3,4-dihydro-2-pyrazine imido is the light yellow solid product for methane amide (carboximidamide) hydrochloride.

IR(KBr)cm ^-1：3374，3281，1690

¹H-NMR(DMSO-d ₆)δ：3.7-3.9(2H，m)，3.9-4.2(3H，m)，5.1-5.3(1H，m)，5.3-5.6(1H，m)，5.6-5.8(1H，m)，5.90(1H，s)，7.86(1H，d，J＝4.0Hz)，8.76(1H，d，J＝4.0Hz)，9.44(3H，brs)

Example I-16

Suspension 0.11g 4-[(2R in the 2.0mL trimethyl phosphite 99,3R, 4S, 5R)-3,4-dihydroxyl-5-(methylol) tetrahydrochysene-2-furyl]-3-oxo-3,4-dihydro-2-Zinamide.Under ice-cooled temperature, add the 0.11mL phosphoryl chloride, under above-mentioned uniform temp, stirred 2 hours.Then, in reaction mixture, add the 6.0mL dimethyl formamide solution of 1.2mL Tributylamine and 0.56g tricresyl phosphate fourth ammonium, under above-mentioned uniform temp, stirred one hour.Then, in reaction mixture, add 0.1mol/L triethylammonium dicarbonate solution, mixture was at room temperature placed 12 hours.Under reduced pressure remove and desolvate, the gained resistates is through ion exchange column chromatography method purifying (eluent: 0.07mol/L triethylammonium dicarbonate solution), contained { (2R, 3S, 4R, 5R)-and 5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } the methyldiphosphonic acid ester triethylamine salt part and contain { (2R, 3S, 4R, 5R)-and 5-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } part of triethylamine salt of methyl triguaiacyl phosphate, obtain 143mg solid product and 113mg solid product thus respectively.From 143mg{ (2R, 3S, 4R, 5R)-and 5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } triethylamine salt of methyldiphosphonic acid ester gets the 110mg part, is dissolved in 3.0mL methyl alcohol, to the 7.5mL acetone soln that wherein adds the 0.28g sodium perchlorate.Centrifugal collection solid product is used washing with acetone, obtain 64mg{ (2R, 3S, 4R, 5R)-5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } sodium salt of methyldiphosphonic acid ester, be white solid product.

IR(KBr)cm ^-1：3418，1682，1236，983，905

¹H-NMR(D ₂O)δ：4.2-4.5(5H，m)，6.12(1H，s)，7.83(1H，d，J＝3.7Hz)，8.35(1H，d，J＝3.7Hz)

Example I-17

From example I-16 gained 113mg{ (2R, 3S, 4R, 5R)-and 5-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } triethylamine salt of methyl triguaiacyl phosphate gets the 46mg part, be dissolved in 1.0mL methyl alcohol, to the 5.0mL acetone soln that wherein adds the 92mg sodium perchlorate.Centrifugal collection solid product is used washing with acetone, obtain 21mg{ (2R, 3S, 4R, 5R)-5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } sodium salt of methyl triguaiacyl phosphate.

IR(KBr)cm ^-1：3436，1692，1284，1103，997

¹H-NMR(D ₂O)δ：4.2-4.5(5H，m)，6.14(1H，s)，7.85(1H，d，J＝3.0Hz)，8.36(1H，d，J＝3.0Hz)

Example I-18

Under nitrogen gas stream, 5.3g 6-fluoro-3-hydroxyl-2-Zinamide is suspended in the 53mL acetonitrile.Then, add 8.4mL N under ice-cooled temperature, two (trimethyl silyl) ethanamides of O-at room temperature stirred the gained mixture 1.5 hours.In the time of with ice-cooled reaction mixture, in reaction mixture, add 9.4g continuously according to Carbohydr.Res. (carbohydrate compound research), (the 2R of the described operation preparation of 203 volumes, 9 phase 324-329 pages or leaves (1990), 3R, 4R)-4, the 53mL acetonitrile solution and the 7.2mL tin chloride (IV) of two (acetoxyl group)-2-(methylol) tetrahydrochysenes of 5--3-furyl acetic ester at room temperature stirred the gained mixture 20 minutes.Reaction mixture is poured in the mixture of saturated aqueous solution of 100mL ethyl acetate and 300mL sodium bicarbonate, separated organic layer, the waterbearing stratum ethyl acetate extraction.Merge all organic layers, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Resistates is dissolved in 200mL methyl alcohol, adds 100mL 80% acetic acid aqueous solution, the gained mixture was at room temperature stirred 2 hours.Under reduced pressure remove and desolvate, resistates is through silica gel column chromatography purifying (eluent: chloroform: methyl alcohol=40: 1), add chloroform and isopropyl ether, the solid collected by filtration product, obtain 9.3g (2R, 3R, 4R, 5R)-4-(acetoxyl group)-2-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-5-(methylol) tetrahydrochysene-3-furyl acetic ester, be the light yellow solid product.

IR(KBr)cm ^-1：3411，1752，1686

¹H-NMR(DMSO-d ₆)δ：2.04(3H，s)，2.10(3H，s)，3.64(1H，ddd，J＝2.5，5.0，13Hz)，3.86(1H，ddd，J＝2.5，5.0，13Hz)，4.29(1H，d，J＝6.0Hz)，5.35(1H，t，J＝6.0Hz)，5.49(1H，dd，J＝3.0，5.0Hz)，5.65(1H，t，J＝5.0Hz)，6.11(1H，d，J＝3.0Hz)，7.96(1H，brs)，8.42(1H，d，J＝5.0Hz)，8.49(1H，brs)

Example I-19

Under nitrogen gas stream, with 1.5g (2R, 3R, 4R, 5R)-4-(acetoxyl group)-2-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-5-(methylol) tetrahydrochysene-3-furyl acetic ester and 0.84g 1H-tetrazolium be dissolved in the 30mL acetonitrile.In with ice-cooled solution, add the 20mL acetonitrile solution of 1.4mL diallyl di-isopropyl phosphoramidite, stirred 20 minutes.Then, in reaction mixture, add between 1.4g-the 10mL acetonitrile solution of chlorine peroxybenzoic acid, stirred 10 minutes.Then, add the 60mL ethyl acetate, the gained reaction mixture is poured in the 60mL water, separate organic layer, waterbearing stratum 90mL acetate alcohol extraction to reaction mixture.Merge all organic layers, add 30mL water, transfer pH to 8, remove the waterbearing stratum with the saturated aqueous solution of sodium bicarbonate.With the saturated aqueous solution washing of organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Resistates is through silica gel column chromatography purifying (eluent: chloroform: methyl alcohol=40: 1); obtain 1.3g (2R; 3R; 4R; 5R)-4-(acetoxyl group)-2-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-5-({ [two (allyloxy) phosphoryl] oxygen base } methyl) tetrahydrochysene-3-furyl acetic ester, be yellow solid product.

IR(KBr)cm ^-1：3403，1753，1694，1244，1024

¹H-NMR(CDCl ₃)δ：2.11(3H，s)，2.15(3H，s)，4.32-4.35(1H，m)，4.47-4.52(2H，m)，4.58-4.64(4H，m)，5.27(2H，dt，J＝1.0，10.5Hz)，5.37-5.44(4H，m)，5.90-6.00(2H，m)，6.28(1H，d，J＝4.0Hz)，6.32(1H，brs)，7.99(1H，d，J＝6.0Hz)，9.02(1H，brs)

Example I-20

In 4.0mL methyl alcohol, dissolve 0.23g (2R, 3R, 4R, 5R)-4-(acetoxyl group)-2-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-5-({ [two (allyloxy) phosphoryl] oxygen base } methyl) tetrahydrochysene-3-furyl acetic ester.In with ice-cooled solution, add the methanol solution of 0.17g 28% sodium methylate, stirred 5 minutes.Then, add 0.15mL acetate, under reduced pressure remove and desolvate.On the other hand; make 1.0g (2R according to above-mentioned same way as; 3R, 4R, 5R)-4-(acetoxyl group)-2-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-5-({ [two (allyloxy) phosphoryl] oxygen base } methyl) tetrahydrochysene-3-furyl acetic ester reaction.Merge two kinds of reaction mixtures, through silica gel column chromatography purifying (eluent: chloroform: methyl alcohol=40: 1).So obtain 0.35g{ (2R, 3S, 4R, 5R)-5-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } methyl diallyl phosphoric acid ester, be yellow solid product.

IR(KBr)cm ^-1：3417，1684，1264，1025，1000

¹H-NMR(DMSO-d ₆，D ₂O)δ：3.1-4.7(10H，m)，5.1-5.5(4H，m)，5.7-6.2(2H，m)，7.94(1H，d，J＝6.0Hz)

Example I-21

Under nitrogen gas stream, in the mixture of 8.2mL methyl alcohol and 8.2mL tetrahydrofuran (THF), dissolve 0.82g{ (2R, 3S, 4R, 5R)-and 5-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } methyl diallyl phosphoric acid ester.After adding 0.11g four-triphenyl phosphine palladium (0) and 0.28g triphenyl phosphine continuously, the gained mixture was at room temperature stirred 30 minutes.In with ice-cooled reaction mixture, add the 1.9mL tetrahydrofuran solution of 0.68mL formic acid and the 8.2mL tetrahydrofuran solution of 0.25mL n-Butyl Amine 99 continuously.The gained mixture was stirred one hour down at 30-35 ℃, stirred 2 hours down at 40-45 ℃ then.Reaction mixture is under reduced pressure removed organic solvent with the dilution of 10mL water.Obtained aqueous solution uses 30mL water to extract with 20mL chloroform washing, washing lotion.Merge all waterbearing stratums, under reduced pressure remove and desolvate.The gained resistates is through reversed-phase silica gel column chromatography method purifying (eluent: water).So obtain 0.29g{ (2R, 3S, 4R, 5R)-5-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } methyl dihydrogen phosphoric acid ester n-Butyl Amine 99 salt, be yellow solid product.

IR(KBr)cm ^-1：3382，1685，1183，1110

¹H-NMR(DMSO-d ₆)δ：0.75-0.90(3H，m)，1.25-1.40(2H，m)，1.45-1.70(2H，m)，2.70-2.80(2H，m)，3.3-4.7(9H，m)，5.33(1H，d，J＝10Hz)，5.42(1H，d，J＝17Hz)，5.90(2H，brs)，7.95(1H，brs)，8.34(1H，d，J＝5.0Hz)，8.63(1H，brs)

Example I-22

At 4.2mL acetonitrile and 8.4mL N, 0.21g{ (2R, 3S, 4R suspend in the mixture of dinethylformamide, 5R)-and 5-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } methyl dihydrogen phosphoric acid ester n-Butyl Amine 99 salt.Then, add 0.15g N, the N-carbonyl dimidazoles at room temperature stirred 2 hours.Then, in reaction mixture, add 19 μ L methyl alcohol, stirred 30 minutes.Then, add the 2.0mL N of 0.86g tetra-sodium three positive fourth ammoniums, dinethylformamide solution stirred other 14 hours.0.10mol/L triethylammonium dicarbonate solution) and reversed-phase column chromatography method (eluent: purifying water) under reduced pressure remove and desolvate, the gained resistates passes through ion exchange column chromatography method (eluent: continuously.The 4.5mL acetone soln that adds 0.90mL methyl alcohol and 0.17g sodium perchlorate to the gained solid product continuously.Centrifugal collecting precipitation is used washing with acetone then, obtain 60mg{ (2R, 3S, 4R, 5R)-5-[3-(aminocarboxyl)-5-fluoro-2-oxo-1 (2H)-pyrazinyl]-3,4-dihydroxyl tetrahydrochysene-2-furyl } sodium salt of methyl triguaiacyl phosphate, be the light yellow solid product.

IR(KBr)cm ^-1：3422，1686，1252，1108

¹H-NMR(D ₂O)δ：4.3-4.5(5H，m)，6.09(1H，s)，8.41(1H，d，J＝5.1Hz)

Example I-23

Handle (the 2R for preparing according to WO93/10137 according to the mode identical with example I-1,3R, 4R)-and 5-(acetoxyl group)-2-[(benzoyloxy) methyl]-4-fluorine tetrahydrochysene-3-furyl benzoic ether, obtain (2R, 3R, 4R, 5R)-5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-the 2-[(benzyloxy) methyl]-4-fluorine tetrahydrochysene-3-furyl benzoic ether.

IR(KBr)cm ^-1：3422，1718，1685

¹H-NMR(CDCl ₃)δ：4.1-6.2(6H，m)，7.3-8.2(12H，m)，8.1-8.3(1H，m)，8.8-9.1(2H，m)

Example I-24

Handle (2R according to the mode identical with example I-6,3R, 4R, 5R)-5-[3-(aminocarboxyl)-2-oxo-1 (2H)-pyrazinyl]-the 2-[(benzyloxy) methyl]-4-fluorine tetrahydrochysene-3-furyl benzoic ether, obtain 4-[(2R, 3R, 4R, 5R)-3-fluoro-4-hydroxyl-5-(methylol) tetrahydrochysene-2-furyl]-3-oxo-3,4-dihydro-2-Zinamide.

IR(KBr)cm ^-1：3376，1684，1654

¹H-NMR(CDCl ₃，CD ₃OD)δ：3.7-4.4(4H，m)，4.96(1H，dd，J＝4.0，52Hz)，6.22(1H，d，J＝16Hz)，7.76(1H，d，J＝4.0Hz)，8.42(1H，d，J＝4.0Hz)

Reference example II-1

Suspension 8.0g 3-amino in the mixture of 14mL 12mol/L hydrochloric acid and 14mL tetrahydrofuran (THF)-6-chloro-2-pyrazine carboxylate methyl ester.After adding the 5.9g Sodium Nitrite under 5-12 ℃, the gained mixture was stirred 50 minutes under ice-cooled temperature.Then, add the 6mol/L hydrochloric acid suspension of 8.4g cuprous chloride (I), under above-mentioned uniform temp, stirred 10 minutes.Reaction mixture is poured in the mixture of 100mL ethyl acetate and 100mL water, separated organic layer.The gained organic layer is continuously with the saturated aqueous solution washing of 50mL water and 50mL sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.(eluent: normal hexane: ethyl acetate=6: 1), obtain 6.0g 3,6-two chloro-2-pyrazine carboxylate methyl esters are colourless oily product to resistates through the silica gel chromatography purifying.

IR(neat)cm ^-1：1747

¹H-NMR(CDCl ₃)δ：4.04(3H，s)，8.54(1H，s)

Reference example II-2

Dissolving 2.0g 3 in 10mL methyl alcohol, 6-two chloro-2-pyrazine carboxylate methyl esters.Then, under ice-cooled temperature, add 10.2mL 1mol/L aqueous sodium hydroxide solution, at room temperature stirred one hour.Pour reaction mixture the mixture of 200mL ethyl acetate and 200mL water into, separate organic layer.Organic layer is continuously with the saturated aqueous solution washing of 50mL water and 50mL sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Gained resistates hexane wash obtains 1.6g 3, and 6-two chloro-2-pyrazine carboxylic acids are white solid product.

IR(KBr)cm ^-1：1718

¹H-NMR(DMSO-d ₆)δ：2.50(1H，s)，8.84(1H，s)

Reference example II-3

In 1.2L 97% sulfuric acid, add and dissolving 208.0g 3-hydroxyl-2-Zinamide, use ice-cooled maintenance solution simultaneously at 10-25 ℃.In gained solution, adding 185.0g saltpetre under 30-35 ℃, the gained mixture was at room temperature stirred 15 hours, stirred 2 hours down at 40 ℃ then.After the reaction mixture to 20 ℃, be poured in the 6L frozen water, at room temperature stirred one hour, filter and collect settling, with two parts of 500mL water washings.The gained solid product is suspended in the 1L water, transfers pH to 1.5, solid collected by filtration material then with the 5mol/L aqueous sodium hydroxide solution.Solid is used 500mL water and 500mL washing with acetone continuously, obtain 180.0g 3-hydroxyl-6-nitro-2-Zinamide, be solid product.

IR(KBr)cm ^-1：1707，1685，1654

¹H-NMR(DMSO-d ₆)δ：5.60(1H，brs)，8.10(1H，brs)，8.35(1H，brs)，8.96(1H，s)

Reference example II-4

Under 55-60 ℃, in the 400mL phosphoryl chloride, add 88.7g 3-hydroxyl-6-nitro-2-Zinamide.Make mixture under the above-mentioned uniform temp reaction 15 minutes after, under 40-60 ℃ to wherein dripping the 150mL pyridine.Reaction mixture was at first stirred one hour down at 60 ℃, stirred one hour down at 80 ℃ then, stirred 4 hours down at 100 ℃ at last, mix, return to room temperature then with 600mL toluene.Leach sedimentary post precipitation, under reduced pressure concentrated filtrate is to doing.Add 500mL toluene and 1L water continuously to the gained resistates, the gained mixture was stirred 30 minutes down at 40 ℃, separate organic layer.Organic layer is at first used two parts of 500mL water washings, with the saturated aqueous solution washing of a 200mL sodium-chlor, dry on anhydrous magnesium sulfate then, under reduced pressure remove and desolvate.(eluent: normal hexane: toluene=1: 1), obtain 64.5g3,6-two chloro-2-pyrazine formonitrile HCNs are solid product to the gained resistates through the silica gel chromatography purifying.

IR(KBr)cm ^-1：2236，2252

¹H-NMR(CDCl ₃)δ：8.60(1H，s)

Reference example II-5

Dissolving 80.0g 3-hydroxyl-6-nitro-2-Zinamide and 47.5g sodium hydroxide in 1.19L water.Heating added 400mL ethanol down at 40 ℃ after 1.5 hours under refluxing, and stirred 30 minutes, added 400mL ethanol down at 30 ℃ then, stirred 30 minutes.After adding 400mL ethanol under 20 ℃, mixture is cooled to 10 ℃ in addition, filters and collect settling.With collected material 160mL washing with alcohol, drying is 15 hours under 40 ℃, obtains the 78.8g solid product.Solid product (78.5g) is suspended in the 1.5L methyl alcohol, reaches one hour until saturated to wherein introducing the exsiccant hydrogen chloride gas.Mixture was heated one hour under refluxing, and cooling leaches sedimentary salt, and under reduced pressure concentrated filtrate is to doing.Add ethanol (500mL) to resistates, under reduced pressure be concentrated into driedly, with resistates 250mL washed with isopropyl alcohol, obtain 48.8g 6-nitro-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester is solid product.

IR(KBr)cm ^-1：1736

¹H-NMR(CDCl ₃)δ：2.45(1H，brs)，3.87(3H，s)，8.98(1H，s)

Reference example II-6

Suspension 48.7g 6-nitro-3-oxo-3 in the 2.0L diox, 4-dihydro-2-pyrazine carboxylate methyl ester is to wherein adding 42.4mL N-ethyl diisopropylamine and 9.9mL methyl alcohol continuously.Then, at room temperature add the hexane solution of 122mL 2.0mol/L trimethyl silyl diazomethane, the gained mixture was stirred 15 hours under above-mentioned uniform temp, under reduced pressure remove and desolvate.Then, add 500mL ethyl acetate and 250mL water, transfer pH to 1.5, separate organic layer with 6mol/L hydrochloric acid to above-mentioned gained resistates.All the other waterbearing stratums are with two parts of 200mL ethyl acetate extractions.Merge all organic layers, with the saturated aqueous solution washing of 200mL water and 200mL sodium-chlor, dry on anhydrous magnesium sulfate continuously, under reduced pressure remove and desolvate.The gained resistates is through silica gel chromatography purifying (eluent: normal hexane: ethyl acetate=2: 1), obtain 24.3g 3-methoxyl group-6-nitro-2-pyrazine carboxylate methyl ester, be solid product.

IR(KBr)cm ^-1：1729

¹H-NMR(DMSO-d ₆)δ：4.03(3H，s)，4.22(3H，s)，9.25(1H，s)

Reference example II-7

Under room temperature and 1 normal atmosphere, in the mixture of 24.3g 3-methoxyl group-6-nitro-2-pyrazine carboxylate methyl ester, 480mL acetate and the saturnine palladium-lime carbonate of 1.2g, introduce hydrogen, no longer further absorb hydrogen until mixture.Leach insolubles from reaction mixture after, under reduced pressure remove and desolvate, the gained solid product washs with ethyl acetate and diethyl ether.So, obtain 15.0g 6-amino-3-methoxyl group-2-pyrazine carboxylate methyl ester, be solid product.In addition, under reduced pressure remove from filtrate and desolvate, obtain solid product, this solid product washs with ethyl acetate, obtains 2.3g 6-amino-3-methoxyl group-2-pyrazine carboxylate methyl ester, is solid product.

IR(KBr)cm ^-1：1717

¹H-NMR(CDCl ₃)δ：3.97(3H，s)，3.99(3H，s)，4.38(2H，brs)，7.79(1H，s)

Reference example II-8

Dissolving 4.0g is according to U.S. Patent No. 3341540 described operation synthetic 3-amino-6-bromo-2-pyrazine formonitrile HCN in the 80mL tetrahydrofuran (THF).In with ice-cooled solution, add 1.2g60% sodium hydride and 2.8mL Benzoyl chloride continuously, further add 0.8g 60% sodium hydride.The gained mixture was stirred one hour under ice-cooled temperature, at room temperature stirred then 30 minutes.Then, add 0.4g 60% sodium hydride in addition, formed mixture was at room temperature stirred 30 minutes.Behind ice-cooled reaction mixture, pour mixture into form liquid mixture by 50mL ethyl acetate and 100mL water, transfer pH to 5 with 6mol/L hydrochloric acid.Filter to collect settling, the gained resistates is dissolved in the mixture of 50mL ethyl acetate and 100mL tetrahydrofuran (THF), use activated carbon treatment, filtration is then under reduced pressure except that desolvating.The gained resistates is washed with diisopropyl ether, obtain 1.7g N-(5-bromo-3-cyano group-2-pyrazinyl) benzamide, be the light yellow solid product.In addition, from above-mentioned gained filtrate, separate organic layer,, use activated carbon treatment the saturated aqueous solution washing of continuous water of this organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates washs with diisopropyl ether, obtains 2.9g N-(5-bromo-3-cyano group-2-pyrazinyl) benzamide, is yellow solid product.

IR(KBr)cm ^-1：2238，1667

¹H-NMR(CDCl ₃)δ：7.41-7.64(3H，m)，8.04-8.15(2H，m)，8.76(1H，s)，11.31(1H，brs)

Reference example II-9

Dissolving 0.50g 3-amino-6-bromo-2-pyrazine formonitrile HCN in the 10mL tetrahydrofuran (THF).After adding the 0.15g60% sodium hydride, mixture was at room temperature stirred 15 minutes.Then, add 0.7mL tert-Butyl dicarbonate and 0.10g 60% sodium hydride continuously, formed mixture was at room temperature stirred one hour.Reaction mixture is joined in the mixture of being made up of 30mL ethyl acetate and 60mL water, transfer pH to 5, separate organic layer with 2mol/L hydrochloric acid.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=5: 1), obtain 0.30g 5-bromo-3-cyano group-2-pyrazinyl t-butyl carbamate, be white solid product.

IR(KBr)cm ^-1：2239，1708

¹H-NMR(CDCl ₃+DMSO-d ₆)δ：1.57(9H，s)，7.41(1H，brs)，8.62(1H，s)

Reference example II-10

Dissolving 1.0g 3 in the 10mL dimethyl formamide, 6-two chloro-2-pyrazine formonitrile HCNs.After adding 0.7g quinhydrones and 1.74g salt of wormwood, the gained mixture was at room temperature stirred 30 minutes.Pour reaction mixture the mixture of 10mL ethyl acetate and 30mL water into, transfer pH to 7, separate organic layer with 2mol/L hydrochloric acid.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=3: 1), obtain 1.0g 6-chloro-3-(4-hydroxyphenoxy)-2-pyrazine formonitrile HCN, be yellow solid product.

IR(KBr)cm ^-1：3384，2250

¹H-NMR(CDCl ₃)δ：6.82-7.05(4H，m)，8.27(1H，s)，8.88(1H，s)

Reference example II-11

Dissolving 1.5g 3 in the 15mL dimethyl formamide, 6-two chloro-2-pyrazine formonitrile HCNs.After adding 1.2g4-methoxyphenol and 1.8g salt of wormwood, the gained mixture was at room temperature stirred 30 minutes.In reaction mixture, add the mixture of 20mL ethyl acetate and 60mL water, separate organic layer.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=5: 1), obtain 2.1g 6-chloro-3-(4-methoxyl group phenoxy group)-2-pyrazine formonitrile HCN, be yellow solid product.

IR(KBr)cm ^-1：2236

¹H-NMR(CDCl ₃)δ：3.83(3H，s)，6.95(2H，d，J＝9.2Hz)，7.11(2H，d，J＝9.2Hz)，8.26(1H，s)

Reference example II-12

Dissolving 2.5g 3 in the 25mL dimethyl formamide, 6-two chloro-2-pyrazine formonitrile HCNs.After adding 3.2g4-(benzyloxy) phenol and 3.0g salt of wormwood, the gained mixture was at room temperature stirred one hour.In reaction mixture, add the mixture of 25mL ethyl acetate and 100mL water, separate organic layer.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Add diisopropyl ether to resistates, leach insolubles, concentrated filtrate.The gained resistates washs with normal hexane, obtains 3.84g 3-[4-(benzyloxy) phenoxy group]-6-chloro-2-pyrazine formonitrile HCN, be light brown solid product.

IR(KBr)cm ^-1：2238

¹H-NMR(CDCl ₃)δ：5.12(2H，s)，7.03-7.48(9H，m)，8.65(1H，s)

Reference example II-13

Dissolving 0.4g 6-chloro-3-(4-hydroxyphenoxy)-2-pyrazine formonitrile HCN in the 8mL dimethyl formamide.After adding 0.5mL methyl iodide and 0.89g salt of wormwood, the gained mixture was at room temperature stirred 30 minutes.Reaction mixture is joined in the mixture of 10mL ethyl acetate and 30mL water, separate organic layer.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.So, obtain 0.43g 6-chloro-3-(4-methoxyl group phenoxy group)-2-pyrazine formonitrile HCN, be the tawny solid product.

IR(KBr)cm ^-1：2236

¹H-NMR(CDCl ₃)δ：3.83(3H，s)，6.95(2H，d，J＝9.2Hz)，7.11(2H，d，J＝9.2Hz)，8.26(1H，s)

Reference example II-14

Dissolving 1.0g 3-amino-6-bromo-2-pyrazine formonitrile HCN in the 5mL dimethylformamide dimethyl acetal.Solution was heated 3 hours under refluxing.Reaction mixture returns to room temperature, adds the mixture of 5mL normal hexane and 5mL diisopropyl ether, at room temperature stirs 10 minutes.Filter and collect sedimentary precipitation, the mixture washing with 5mL normal hexane and 5mL diisopropyl ether obtains 1.0g N '-(5-bromo-3-cyano group-2-pyrazinyl)-N, and N-dimethylimino methane amide is the tawny solid product.

IR(KBr)cm ^-1：2234

¹H-NMR(CDCl ₃)δ：3.21(6H，s)，8.32(1H，s)，8.60(1H，s)

Reference example II-15

At 50mL N, dissolving 10.0g 3 in the dinethylformamide, 6-two chloro-2-pyrazine formonitrile HCNs.After adding 6.49mL thiophenol and 11.91g salt of wormwood continuously, the gained mixture was stirred 3 hours down at 40 ℃.Pour reaction mixture the mixture of 100mL ethyl acetate and 100mL water into, transfer pH to 2 with 6mol/L hydrochloric acid.Separate organic layer, the saturated aqueous solution of water and sodium-chlor washing continuously, dry on anhydrous magnesium sulfate, under reduced pressure remove then and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: toluene: normal hexane=1: 3), obtain 3.80g 6-chloro-3-(thiophenyl)-2-pyrazine formonitrile HCN, be light yellow oiliness product.

IR(neat)cm ^-1：2238

¹H-NMR(CDCl ₃)δ：7.00-7.70(5H，m)，8.39(1H，s)

Example II-1

(a) dissolving 2.0g 3 in the 20mL acetonitrile, 6-two chloro-2-pyrazine carboxylate methyl esters.After adding 2.8g Potassium monofluoride and 0.51g 18-hat-6-ether, in nitrogen atmosphere, the gained mixture was heated 9.5 hours under refluxing.After the cooling, under reduced pressure remove and desolvate, (eluent: normal hexane: ethyl acetate=15: 1), obtain 1.1g 3,6-two fluoro-2-pyrazine carboxylate methyl esters are colourless oily product to resistates through the silica gel chromatography purifying.

IR(neat)cm ^-1：1743

¹H-NMR(CDCl ₃)δ：4.05(3H，s)，8.28(1H，dd，J＝1.6Hz，8.4Hz)

(b) suspension 0.2g 3 in the 2.0mL methylene dichloride, 6-two chloro-2-pyrazine carboxylic acids.Then, add 0.001mL N continuously under ice-cooled temperature, dinethylformamide and 0.14mL oxalyl chloride at room temperature stirred formed mixture 40 minutes.Reaction mixture under reduced pressure is concentrated into dried, is dissolved in the 3.0mL acetonitrile then.Then, add 0.3g Potassium monofluoride and 0.056g 18-hat-6-ether, in nitrogen atmosphere, formed mixture was stirred 2.5 hours down at 60 ℃.Reaction mixture is poured in the 3.0mL methyl alcohol, leached insolubles, under reduced pressure be concentrated into filtrate dried then.(eluent: normal hexane: ethyl acetate=9: 1), obtain 0.15g 3,6-two fluoro-2-pyrazine carboxylate methyl esters are colourless oily product to resistates through the silica gel chromatography purifying.

The physical properties of this compound is consistent with example II-1 (a) gained compound.

Example II-2

At 3.0mL N, dissolving 0.3g 3 in the dinethylformamide, 6-two fluoro-2-pyrazine carboxylate methyl esters.After adding the 0.16g sodium acetate under the ice-cooled temperature, the gained mixture was stirred 2.5 hours down at 50 ℃.Pour reaction mixture the mixture of 50mL ethyl acetate and 30mL water into, separate organic layer.All the other waterbearing stratums are with three parts of 25mL ethyl acetate extractions.Merge organic layer, with the saturated aqueous solution washing of 15mL water and 15mL sodium-chlor, dry on anhydrous magnesium sulfate continuously, under reduced pressure remove and desolvate.(eluent: normal hexane: ethyl acetate=1: 2), obtain 0.03g 6-fluoro-3-oxo-3,4-dihydro-2-pyrazine carboxylate methyl ester is the colorless solid product to resistates through the silica gel chromatography purifying.

IR?KBr?cm ^-1：1677

¹H-NMR(CDCl ₃?δ：4.09(3H，s)，8.35(1H，d，J＝8.3Hz)，11.1(1H，brs)

Example II-3

(a) suspension 90.1g 3 in the 1.1L dimethyl sulfoxide (DMSO), 6-two chloro-2-pyrazine formonitrile HCNs.After adding 180.5g Potassium monofluoride and 66.8g bromination four positive fourth ammoniums, mixture was stirred 6 hours down at 50-55 ℃.Reaction mixture returns to room temperature, joins in the mixture of 1.1L ethyl acetate and 2.2L water, separates organic layer.Add entry (1L) to organic layer, transfer pH to 2.5, separate organic layer with 1mol/L hydrochloric acid.With the saturated aqueous solution washing of organic layer with sodium-chlor, dry on first water magnesium sulfate, under reduced pressure remove and desolvate.(eluent: normal hexane: ethyl acetate=10: 1), obtain 58.3g 3,6-two fluoro-2-pyrazine formonitrile HCNs are the colorless solid product to resistates through the silica gel chromatography purifying.

IR(KBr)cm ^-1：2250

¹H-NMR(CDCl ₃)δ：8.34(1H，dd，J＝1.3，7.9Hz)

(b) dissolving 0.40g 6-fluoro-3-(benzenesulfonyl)-2-pyrazine formonitrile HCN in the 4mL dimethyl sulfoxide (DMSO).After adding 0.44g Potassium monofluoride and 0.10g bromination four positive fourth ammoniums, the gained mixture was stirred 1.5 hours down at 60 ℃.Reaction mixture is poured in the mixture of 20mL ethyl acetate and 20mL water, separated organic layer.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.(eluent: normal hexane: ethyl acetate=20: 1), obtain 0.06g 3,6-two fluoro-2-pyrazine formonitrile HCNs are the colorless solid product to resistates through the silica gel column chromatography purifying.

Example II-4

Suspension 57.3g 3 in the mixture of 570mL 12mol/L hydrochloric acid and 57mL tetrahydrofuran (THF), 6-two fluoro-2-pyrazine formonitrile HCNs.Suspension was stirred 6.5 hours down at 30-35 ℃.Reaction mixture under reduced pressure is concentrated into dried, adds 100mL ethanol, under reduced pressure remove then and desolvate and hydrochloric acid.The gained resistates with ethanol and diisopropyl ether washing, is obtained 53.7g 3, and 6-two fluoro-2-Zinamides are the colorless solid product.

IR(KBr)cm ^-1：1708，1692

¹H-NMR(DMSO-d ₆)δ：8.00(1H，brs)，8.25(1H，brs)，8.57(1H，dd，J＝1.7，8.1Hz)

Example II-5

(a) at 10mL N, dissolving 1.0g 3 in the dinethylformamide, 6-two fluoro-2-pyrazine formonitrile HCNs.Under ice-cooled temperature, add the 0.64g sodium acetate, stirred 6 hours.Reaction mixture is joined in the mixture of 20mL ethyl acetate and 20mL water, transfer pH to 1.5, separate organic layer with 6mol/L hydrochloric acid.With the saturated aqueous solution washing of organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.(eluent: normal hexane: ethyl acetate=1: 1), obtain 0.45g 6-fluoro-3-oxo-3,4-dihydro-2-pyrazine formonitrile HCN is yellow solid product to the gained resistates through the silica gel chromatography purifying.

IR(KBr)cm ^-1：2238，1655

¹H-NMR(DMSO-d ₆)δ：8.52(1H，d，J＝7.6Hz)，12.70(1H，brs)

(b) dissolving 1.0g 3-(benzyloxy)-6-fluoro-2-pyrazine formonitrile HCN in 10mL toluene.Then, under ice-cooled temperature, in solution, add 0.64g aluminum chloride, formed mixture was at room temperature stirred 2 hours.Then, add 10mL water in reaction mixture, separate the waterbearing stratum, organic layer extracts with two parts of 2mL water.Merge the waterbearing stratum, with two parts of 5mL ethyl acetate extractions.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.So, obtaining 0.51g 6-fluoro-3-oxo-3,4-dihydro-2-pyrazine formonitrile HCN is yellow solid product.

The physical properties of this compound is consistent with example II-5 (a) gained compound.

(c) dissolving 1.0g 3-(allyloxy)-6-fluoro-2-pyrazine formonitrile HCN in 5mL toluene.After adding 0.82g aluminum chloride, mixture was at room temperature stirred 1.5 hours.Add entry (5mL) to reaction mixture, separate the waterbearing stratum, organic layer at first with the extraction of 3mL water, is extracted with 2mL water then.Merge the waterbearing stratum, use the 5mL toluene wash, use the 15mL ethyl acetate extraction.With the 3mL water washing of gained organic layer, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.So, obtaining 0.45g6-fluoro-3-oxo-3,4-dihydro-2-pyrazine formonitrile HCN is yellow solid product.

The physical properties of this compound is consistent with example II-5 (a) gained compound.

(d) dissolving 1.0g 6-fluoro-3-(4-methoxyl group phenoxy group)-2-pyrazine formonitrile HCN in the mixture of 30mL acetonitrile and 20mL water.After adding 11.2g nitric acid two ammonium caesiums, mixture was heated 3 hours under refluxing.Reaction mixture returns to room temperature, adds the mixture of being made up of 50mL toluene, 50mL water and 10mL 5% sodium thiosulfate solution in reaction mixture, separates the waterbearing stratum.Add ethyl acetate (50mL) to the gained waterbearing stratum, separate organic layer.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, use activated carbon treatment, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.So, obtaining 6-fluoro-3-oxo-3,4-dihydro-2-pyrazine formonitrile HCN is yellow solid product.

(e) dissolving 1.0g 3-[4-(benzyloxy) phenoxy group in the mixture of 30mL acetonitrile and 15mL water]-6-fluoro-2-pyrazine formonitrile HCN.After adding 8.5g nitric acid two ammonium caesiums, the gained mixture was heated 3 hours under refluxing.Reaction mixture returns to room temperature, adds the mixture of being made up of 50mL ethyl acetate, 5mL water and 5mL 5% sodium thiosulfate solution, separates organic layer.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, use activated carbon treatment, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.So, obtaining 6-fluoro-3-oxo-3,4-dihydro-2-pyrazine formonitrile HCN is yellow solid product.

(f) dissolving 0.45g 6-fluoro-3-(4-hydroxyphenoxy)-2-pyrazine formonitrile HCN in the mixture of 7.5mL acetonitrile and 3mL water.Then, at room temperature add 1.17g nitric acid two ammonium caesiums, under above-mentioned uniform temp, stirred 15 minutes.In reaction mixture, add the mixture of 10mL ethyl acetate and 5mL 5% sodium thiosulfate solution, separate organic layer.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, use activated carbon treatment, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.So, obtaining 6-fluoro-3-oxo-3,4-dihydro-2-pyrazine formonitrile HCN is yellow solid product.

(g) oxygen base suspension 0.5g 6-fluoro-3-[(2-methyl-3-oxo-1-cyclopentenes-1-yl in the mixture of 5mL 6mol/L hydrochloric acid and 1mL diox)]-2-pyrazine formonitrile HCN.Suspension was stirred 15 minutes down at 50 ℃.Reaction mixture returns to room temperature, adds the 10mL ethyl acetate, separates organic layer.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.So, obtaining 0.25g 6-fluoro-3-oxo-3,4-dihydro-2-pyrazine formonitrile HCN is yellow solid product.

The physical properties of this compound is consistent with example II-5 (a) gained compound.

Example II-6

At 2.0mL N, dissolving 0.20g 3 in the dinethylformamide, 6-two fluoro-2-pyrazine formonitrile HCNs.Under 5 ℃, add the 0.11g sodiumazide, under above-mentioned uniform temp, stirred 10 minutes.Reaction mixture is joined in the mixture of 20mL ether and 20mL water, separate organic layer.The gained organic layer is continuously with the saturated aqueous solution washing of 20mL water and 20mL sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.So, obtain 0.25g 3-azido--6-fluoro-2-pyrazine formonitrile HCN, be yellow oily product.

IR(neat)cm ^-1：2140

¹H-NMR(CDCl ₃)δ：8.40(1H，d，J＝8.2Hz)

Example II-7

(a) dissolving 1.0g 3 in the mixture of 1.5mL 25% ammoniacal liquor and 5.00mL diox, 6-two fluoro-2-pyrazine formonitrile HCNs.Gained solution was at room temperature stirred 6 hours.Then, in reaction mixture, add 20mL water, stirred 20 minutes, use ice-cooled mixture simultaneously.Filter and collect sedimentary material, use 5mL cold water and 5mL washing with alcohol continuously, obtain 0.84g 3-amino-6-fluoro-2-pyrazine formonitrile HCN, be the light yellow solid product.

IR(KBr)cm ^-1：3405，2230

¹H-NMR(DMSO-d ₆)δ：7.34(2H，brs)，8.42(1H，d，J＝7.8Hz)

(b) dissolving 0.24g 3-azido--6-fluoro-2-pyrazine formonitrile HCN in 5.0mL methyl alcohol.After at room temperature adding the saturnine palladium-lime carbonate of 0.075g, under room temperature and 1 normal atmosphere, introduce hydrogen and no longer further absorb hydrogen until mixture to mixture.After from reaction mixture, leaching insolubles, concentrated filtrate under reduced pressure.The gained resistates is through silica gel column chromatography purifying (eluent: chloroform), obtain 0.078g 3-amino-6-fluoro-2-pyrazine formonitrile HCN, be yellow solid product.

The physical properties of this compound is consistent with example II-7 (a) gained compound.

(c) dissolving 0.35g 5-bromo-3-cyano group-2-pyrazine t-butyl carbamate in the 10.5ml methyl-sulphoxide.Add the 0.17g Potassium monofluoride, mixture was stirred 30 minutes prior to 70 ℃, stirred formation 3-cyano group-5-fluoro-2-pyrazine t-butyl carbamate in reaction system 30 minutes in 90 ℃ again.Then, add the 0.17g Potassium monofluoride, stirred 40 minutes in 90 ℃.Reaction mixture returned to room temperature and add the 30ml ethyl acetate and the mixture of 60ml water in, regulate pH to 8 with saturated aqueous solution of sodium bicarbonate, separate organic layer.Use the saturated aqueous solution of sodium-chlor to wash on the water machine layer that obtains, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=3: 1), obtain 20mg 3-amino-6-fluoro-2-pyrazine formonitrile HCN, be yellow solid product.

(d) suspension 60mg N '-(3-cyano group-5-fluoro-2-pyrazinyl)-N in 2mL 6mol/L hydrochloric acid, N-dimethylimino methane amide.Formed suspension was stirred 5.5 hours down at 80-90 ℃.Reaction mixture returns to room temperature, adds 5mL water, transfers pH to 9 with the 2mol/L aqueous sodium hydroxide solution.Then, add the 5mL ethyl acetate, separate organic layer, dry on anhydrous magnesium sulfate with the saturated aqueous solution washing of sodium-chlor, under reduced pressure remove and desolvate.So obtain 20mg 3-amino-6-fluoro-2-pyrazine formonitrile HCN, be yellow solid product.

(e) dissolving 0.3g 3-amino-2-pyrazine formonitrile HCN in the 15mL acetonitrile.In with ice-cooled solution, introduce 10% fluorine gas (with the fluorine gas of nitrogen dilution) by the speed of 45mL per minute to solution and reach 20 minutes.Then,, when ice-cooled temperature rises to room temperature, introduce nitrogen and reach one hour in temperature.Concentrated reaction mixture under reduced pressure, the gained oily product is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=3: 1), obtain 0.01g 3-amino-6-fluoro-2-pyrazine formonitrile HCN, be yellow solid product.

Example II-8

(a) under ice-cooled temperature, dissolving 17.3g6-amino-3-methoxyl group-2-pyrazine carboxylate methyl ester in 140mL 70% hydrofluoric pyridine solution.Then, at-50 ℃ of following minute three parts of adding 7.8g Sodium Nitrites.After foaming stopped, slowly elevated temperature at room temperature stirred mixture 30 minutes.Reaction mixture is poured in the mixture of 300mL ice and 200mL chloroform, leached sedimentary insolubles, separate organic layer then.All the other waterbearing stratums are that the total amount of liquid reaches 500mL with ten parts of chloroform extractions, its condition.Merge the gained organic layer, transfer pH to 7, separate organic layer with the saturated aqueous solution of sodium bicarbonate.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel chromatography purifying (eluent: normal hexane: ethyl acetate=4: 1), obtain 14.3g 6-fluoro-3-methoxyl group-2-pyrazine carboxylate methyl ester, be solid product.

IR(KBr)cm ^-1：1734

¹H-NMR(CDCl ₃)δ：3.98(3H，s)，4.08(3H，s)，8.17(1H，d，J＝8.5Hz)

(b) dissolving 0.2g 3 in 4mL methyl alcohol, 6-two fluoro-2-pyrazine carboxylate methyl esters.Then, at-25 ℃ of methanol solutions that add 28% sodium methylate down, the gained mixture was stirred 10 minutes down at 0 ℃.Reaction mixture is poured in the mixture of 30mL ethyl acetate and 30mL water, separated organic layer.The gained organic layer is continuously with the saturated aqueous solution washing of 15mL water and 15mL sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel chromatography purifying (eluent: normal hexane: ethyl acetate=5: 1), obtain 0.09g 6-fluoro-3-methoxyl group-2-pyrazine carboxylate methyl ester, be the colorless solid product.

The physical properties of this compound is consistent with example II-8 (a) gained compound.

Example II-9

Dissolving 0.1g 6-chloro-3-nitro-2-pyrazine carboxylate methyl ester in the 2.0mL acetonitrile.After adding 40mg Potassium monofluoride and 61mg 18-hat-6-ether continuously, the gained mixture was at room temperature stirred 1.5 hours.Then, add the mixture of 10mL ethyl acetate and 10mL water, transfer pH to 7.0, separate organic layer with the saturated aqueous solution of sodium bicarbonate.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel chromatography purifying (eluent: normal hexane: ethyl acetate=7: 1), obtain 0.03g 6-fluoro-3-nitro-2-pyrazine carboxylate methyl ester, be light yellow oily product.

IR(KBr)cm ^-1：1752，1560

¹H-NMR(CDCl ₃)δ：4.06(3H，s)，8.50(1H，d，J＝8.3Hz)

Example II-10

(a) dissolving 20mg 6-fluoro-3-nitro-2-pyrazine carboxylate methyl ester in 1.0mL acetate.After adding the saturnine palladium-lime carbonate of 6mg, under room temperature and 1 normal atmosphere, introduce hydrogen and no longer further absorb hydrogen until mixture to mixture.From reaction mixture, leach insolubles, under reduced pressure concentrated filtrate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=5: 1), obtain 2mg 3-amino-6-fluoro-2-pyrazine carboxylate methyl ester, be the light yellow solid product.

IR(KBr)cm ^-1：1700

¹H-NMR(CDCl ₃)δ：3.98(3H，s)，6.29(2H，brs)，8.15(1H，d，J＝8.3Hz)

(b) dissolving 0.5g 3-amino-2-pyrazine carboxylate methyl ester in 10mL acetate.At room temperature, introduce 10% fluorine gas (with the fluorine gas of nitrogen dilution) by the speed of 23mL per minute to solution and reach 32 minutes.After solution at room temperature stirred 30 minutes, reaction mixture is joined in the mixture of the saturated aqueous solution of 50mL sodium bicarbonate and 50mL ethyl acetate, separate organic layer.The gained organic layer is continuously with the saturated aqueous solution washing of 10mL water and 10mL sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=3: 1), obtain 0.01g 3-amino-6-fluoro-2-pyrazine carboxylate methyl ester, be the light yellow solid product.

The physical properties of this compound is consistent with example II-10 (a) gained compound.

Example II-11

(a) dissolving 10mg 3-amino-6-fluoro-2-pyrazine carboxylate methyl ester in 1mL methyl alcohol.After at room temperature adding 1mL 25% ammoniacal liquor, formed mixture was stirred 4.5 hours.Under reduced pressure, add diethyl ether, leach sedimentary precipitation to resistates except that after desolvating.So obtain 4mg 3-amino-6-fluoro-2-Zinamide, be the light yellow solid product.

IR(KBr)cm ^-1：1685

¹H-NMR(CDCl ₃+CD ₃OD)δ：3.85(4H，brs)，8.10(1H，d，J＝7.3Hz)

(b) suspension 0.2g 3 in the 2.0mL methylene dichloride, 6-two chloro-2-pyrazine carboxylic acids.Then, add 0.001mL N continuously under ice-cooled temperature, dinethylformamide and 0.14mL oxalyl chloride at room temperature stirred formed mixture one hour.Reaction mixture under reduced pressure is concentrated into dried, resistates is dissolved in the 3.0mL acetonitrile, add 0.35g Potassium monofluoride and 0.054g 18-hat-6-ether, with the gained mixture 60 ℃ of stirrings 3 hours down.At room temperature in reaction mixture, add 3.0mL 25% ammoniacal liquor then, the gained mixture was stirred 2.5 hours down at 50 ℃.Reaction mixture is poured in the mixture of 30mL ethyl acetate and 30mL water, separated organic layer.The gained organic layer is continuously with the saturated aqueous solution washing of 15mL water and 15mL sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The sedimentary product of institute is washed with diethyl ether, obtain 0.12g 3-amino-6-fluoro-2-Zinamide, be yellow solid product.

The physical properties of this compound is consistent with example II-11 (a) gained compound.

(c) dissolving 0.3g 3-amino-2-Zinamide in the 9mL trifluoroacetic acid.Under ice-cooled temperature, introduce 10% fluorine gas (with the fluorine gas of nitrogen dilution) by the speed of 45mL per minute to solution and reach 22 minutes.After stirring 17 minutes under the ice-cooled temperature, temperature rises to room temperature with mixture.Reaction mixture is joined in the mixture of the saturated aqueous solution of 30mL sodium bicarbonate and 30mL ethyl acetate, separate organic layer.With all the other waterbearing stratums 6mol/L hcl acidifying, use the 20mL ethyl acetate extraction then.Merge the gained organic layer, with the saturated aqueous solution washing of 10mL water and 10mL sodium-chlor, dry on anhydrous magnesium sulfate continuously, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=2: 1), obtain 0.015g 3-amino-6-fluoro-2-Zinamide, be the light yellow solid product.

The physical properties of this compound is consistent with example II-11 (a) gained compound.

(d) dissolving 100mg 3-amino-2-Zinamide in the 5mL trifluoroacetic acid.Under ice-cooled temperature, introduce 10% fluorine gas (with the fluorine gas of nitrogen dilution) by the speed of 45mL per minute and reach 36 minutes.Then,, when ice-cooled temperature rises to room temperature, introduce nitrogen and reach one hour in temperature.Under reduced pressure concentrated reaction mixture obtains the 305mg oily product.In the gained oily product, get 251mg and be dissolved in 9.3mL water, heating is 4 hours under refluxing.Liquid reaction mixture is cooled to room temperature, leaches sedimentary precipitation.Concentrated filtrate under reduced pressure, the gained solid product is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=2: 1), obtain 9mg 3-amino-6-fluoro-2-Zinamide, be solid product.

The physical properties of this compound is consistent with example II-11 (a) gained compound.

Example II-12

Suspension 1.0g 3-hydroxyl-2-Zinamide in 200mL water.At room temperature, introduce 10% fluorine gas (with the fluorine gas of nitrogen dilution) by the speed of 45mL per minute and reach 25 minutes.Introduce nitrogen then and reach 45 minutes, liquid reaction mixture neutralizes with lime carbonate, leach sedimentary precipitation, concentrated filtrate under reduced pressure, the gained solid product is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=5: 1), obtain 0.008g 6-fluoro-3-hydroxyl-2-Zinamide, be white solid product.

The physical properties of this compound is consistent with preparation example 1 gained compound.

Example II-13

Dissolving 0.5g 3 in 5mL toluene, 6-two fluoro-2-pyrazine formonitrile HCNs.After adding 0.41mL phenylcarbinol and 0.74mL triethylamine continuously, the gained mixture was stirred one hour down at 80 ℃.Reaction mixture is cooled to room temperature, passes through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=10: 1), obtain 0.58g 3-(benzyloxy)-6-fluoro-2-pyrazine formonitrile HCN, be white solid product then.

IR(KBr)cm ^-1：2236

¹H-NMR(CDCl ₃)δ：5.53(2H，s)，7.3-7.6(5H，m)，8.20(1H，d，J＝8.1Hz)

Example II-14

Dissolving 10.0g 3 in the 30mL dimethyl sulfoxide (DMSO), 6-two fluoro-2-pyrazine formonitrile HCNs.After adding 50mL vinyl carbinol and 14.8mL triethylamine continuously, the gained mixture was stirred 40 minutes down at 60 ℃.Reaction mixture is cooled to room temperature, pours in the mixture of 50mL toluene and 50mL water, separate organic layer.The gained organic layer is continuously with the saturated aqueous solution washing of ten parts of 50mL water and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=10: 1), obtain 11.5g 3-(allyloxy)-6-fluoro-2-pyrazine formonitrile HCN, be light yellow oiliness product.

IR(neat)cm ^-1：2238

¹H-NMR(CDCl ₃)δ：4.98(2H，d，J＝5.6Hz)，5.33(1H，dd，J＝1.5，7.1Hz)，5.48(1H，dd，J＝1.5，13.9Hz)，5.9-6.2(1H，m)，8.20(1H，d，J＝8.1Hz)

Example II-15

Dissolving 2.5g 3 in 25mL methyl alcohol, 6-two fluoro-2-pyrazine formonitrile HCNs.Then, at 5-15 ℃ of methanol solution that drips 2.4g 28% sodium methylate down, formed mixture was stirred 2 hours under ice-cooled temperature.Reaction mixture is poured in the mixture of 50mL ethyl acetate and 50mL water, separated organic layer.With the saturated aqueous solution washing of continuous water of gained organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=10: 1), obtain 0.45g 6-fluoro-3-methoxyl group-2-pyrazine formonitrile HCN, be colourless oily product.

IR(neat)cm ^-1：2237

¹H-NMR(CDCl ₃)δ：4.12(3H，s)，8.22(1H，d，J＝8.1Hz)

Example II-16

Suspension 58g Potassium monofluoride (spraying drying) and 8.7g 18-hat-6-ether in the mixture of 140mL acetonitrile and 280mL toluene.Heating is after one hour under refluxing with suspension in nitrogen atmosphere, and acetonitrile and toluene are removed in distillation under atmospheric pressure.The gained resistates is suspended in the 280mL acetonitrile, add 23g according to Acta Poloniae Pharmaceutica (Polish Acta Pharmaceutica Sinica), the described method synthetic of 33 volume 153-161 pages or leaves (1976) 6-chloro-2-pyrazine formonitrile HCN heats the gained mixture one hour under refluxing in nitrogen atmosphere.Reaction mixture is cooled to room temperature, adds 280mL ethyl acetate and 280mL water, separate organic layer.With the saturated aqueous solution washing of continuous water of gained organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=10: 1), obtain 10g 6-fluoro-2-pyrazine formonitrile HCN, be white solid product.

IR(KBr)cm ^-1：2244

¹H-NMR(CDCl ₃)δ：8.72(1H，d，J＝8.1Hz)，8.88(1H，d，J＝3.7Hz)

Example II-17

Dissolving 1.6g 6-fluoro-2-pyrazine formonitrile HCN in the 10mL concentrated hydrochloric acid.Gained solution was stirred 2 hours down at 40 ℃.Reaction mixture is cooled to room temperature, adds the mixture of 25mL ethyl acetate and 10mL water, separate organic layer.The waterbearing stratum ethyl acetate extraction.Merge organic layer, dry on anhydrous magnesium sulfate with the saturated aqueous solution washing of sodium-chlor, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=1: 1), obtain 0.75g6-fluoro-2-Zinamide, be light brown solid product.

IR(KBr)cm ^-1：1713

¹H-NMR(DMSO-d ₆)δ：7.90(1H，brs)，8.22(1H，brs)，8.92(1H，d，J＝8.0)，9.14(1H，d，J＝4.4)

Example II-18

(a) dissolving 0.50g 6-fluoro-2-Zinamide in the 1.5mL trifluoroacetic acid.After adding the 0.40mL30% hydrogen peroxide, the gained mixture was stirred one hour down at 50-60 ℃.After the reaction mixture to 5 ℃, add the 5mL Virahol.Filter and collect sedimentary product,, obtain 0.35g 3-(aminocarboxyl)-5-Calmazine-1--1-oleate, be white solid product with 5mL Virahol and the washing of 5mL diethyl ether.

IR(KBr)cm ^-1：1708

¹H-NMR(DMSO-d ₆)δ：8.03(1H，brs)，8.25(1H，brs)，8.53(1H，brs)，8.70(1H，dd，J＝1.2，3.9Hz)

(b) suspension 0.39g 3-(aminocarboxyl)-5-Calmazine-1--1-oleate in the 1.95mL phosphoryl chloride.Mixture was stirred 1.5 hours down at 100 ℃.With reaction mixture under reduced pressure be concentrated into do after, resistates is suspended in the 20mL ethyl acetate, pour in the 20mL frozen water, separate organic layer.In the gained organic layer, add 20mL and say, transfer pH to 8 with the saturated solution of saying of sodium bicarbonate then, separate organic layer, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: toluene: normal hexane=3: 1), obtain 3-chloro-6-fluoro-2-pyrazine formonitrile HCN, be oily product.

(c) dissolving 0.3g 3-chloro-2-pyrazine formonitrile HCN in the 15mL acetonitrile.Under ice-cooled temperature, introduce 10% fluorine gas (with the fluorine gas of nitrogen dilution) by the speed of 45mL per minute to solution and reach 20 minutes.Then,, when ice-cooled temperature rises to room temperature, go through and introduced nitrogen in one hour in temperature.Concentrated reaction mixture under reduced pressure, the gained oily product is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=10: 1), obtain 0.12g 3-chloro-6-fluoro-2-pyrazine formonitrile HCN, be colourless oily product.

IR(KBr)cm ^-1：2232

¹H-NMR(CDCl ₃)δ：8.50(1H，d，J＝8.1Hz)

Example II-19

Dissolving 1.30g N '-(5-bromo-3-cyano group-2-pyrazinyl)-N in the 26mL dimethyl sulfoxide (DMSO), N-dimethylimino methane amide.After adding the 2.97g Potassium monofluoride, the gained mixture was stirred 1.5 hours down at 145-150 ℃.Reaction mixture returns to room temperature, adds the mixture of 30mL ethyl acetate and 100mL water, separates organic layer.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.(eluent: toluene: ethyl acetate=5: 1), obtain 0.75g N '-(3-cyano group-5-fluoro-2-pyrazinyl)-N, N-dimethylimino methane amide is yellow solid product to the gained resistates through the silica gel column chromatography purifying.

IR(KBr)cm ^-1：2230

¹H-NMR(CDCl ₃)δ：3.19(6H，s)，8.18(1H，d，J＝8.1Hz)，8.54(1H，s)

Example II-20

Dissolving 4.3g N-(5-bromo-3-cyano group-2-pyrazinyl) benzamide in the 86mL dimethyl sulfoxide (DMSO).After adding the 8.3g Potassium monofluoride, the gained mixture was stirred one hour down at 110-115 ℃.Reaction mixture returns to room temperature, adds the mixture of 100mL ethyl acetate and 200mL water, separates organic layer.With the saturated aqueous solution washing of continuous water of gained organic layer and sodium-chlor, use activated carbon treatment, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: toluene: ethyl acetate=5: 1), obtain 0.47g N-(3-cyano group-5-fluoro-2-pyrazinyl) benzamide, be white solid product.

IR(KBr)cm ^-1：2238，1670

¹H-NMR(CDCl ₃)δ：7.48-7.80(3H，m)，8.03-8.21(2H，m)，9.01(1H，d，J＝8.1Hz)，11.67(1H，s)

Example II-21

Dissolving 1.95g 6-chloro-3-(4-methoxyl group phenoxy group)-2-pyrazine formonitrile HCN in the 39mL dimethyl sulfoxide (DMSO).After adding the 2.16g Potassium monofluoride, the gained mixture was stirred 3 hours down at 100-110 ℃.Reaction mixture returns to room temperature, adds the mixture of 40mL ethyl acetate and 200mL water, separates organic layer.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=5: 1), obtain 1.45g 6-fluoro-3-(4-methoxyl group phenoxy group)-2-pyrazine formonitrile HCN, be yellow solid product.

IR(KBr)cm ^-1：2238

¹H-NMR(CDCl ₃)δ：3.83(3H，s)，6.95(2H，d，J＝9.2Hz)，7.12(2H，d，J＝9.2Hz)，8.15(1H，d，J＝8.4Hz)

Example II-22

Dissolving 3.50g 3-[4-(benzyloxy) phenoxy group in the 70mL dimethyl sulfoxide (DMSO)]-6-chloro-2-pyrazine formonitrile HCN.After adding the 3.01g Potassium monofluoride, the gained mixture was stirred 3 hours down at 100-110 ℃.Reaction mixture returns to room temperature, adds the mixture of 70mL ethyl acetate and 350mL water, separates organic layer.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Gained resistates process silica gel column chromatography purifying (eluent: toluene: ethyl acetate=5: 1), obtain 1.88g 3-[4-(benzyloxy) phenoxy group]-6-fluoro-2-pyrazine formonitrile HCN, be white solid product.

IR(KBr)cm ^-1：2237

¹H-NMR(CDCl ₃)δ：5.07(2H，s)，6.95-7.40(9H，m)，8.13(1H，d，J＝8.1Hz)

Example II-23

Dissolving 0.3g 3-chloro-2-pyrazine carboxylate methyl ester in the 15mL acetonitrile.Under ice-cooled temperature, introduce 10% fluorine gas (with the fluorine gas of nitrogen dilution) by the speed of 45mL per minute and reach 18 minutes.Then,, when ice-cooled temperature rises to room temperature, introduce nitrogen and reach one hour, under reduced pressure the concentration response product in temperature.The gained oily product is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=10: 1), obtain 0.03g 3-chloro-6-fluoro-2-pyrazine carboxylate methyl ester, be colourless oily product.

IR(neat)cm ^-1：1736

¹H-NMR(CDCl ₃)δ：4.04(3H，s)，8.43(1H，d，J＝8.3Hz)

Example II-24

Dissolving 3.0g 3 in the 30mL dimethyl formamide, 6-two fluoro-2-pyrazine formonitrile HCNs.Then, under ice-cooled temperature, add the 2.6g quinhydrones, add 6.5g salt of wormwood then, the gained mixture was at room temperature stirred 15 minutes.In reaction mixture, add the mixture of 30mL ethyl acetate and 60mL water, transfer pH to 5, separate organic layer with 6mol/L hydrochloric acid.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=3: 1), obtain 0.75g 6-fluoro-3-(4-hydroxyphenoxy)-2-pyrazine formonitrile HCN, be yellow solid product.

IR(KBr)cm ^-1：3398，2237

¹H-NMR(DMSO-d ₆)δ：6.82(2H，d，J＝9.2Hz)，7.05(2H，d，J＝9.2Hz)，7.40(1H，s)，8.68(1H，d，J＝8.1Hz)

Example II-25

Dissolving 0.20g 6-chloro-3-(thiophenyl)-2-pyrazine formonitrile HCN in the 3.6mL dimethyl sulfoxide (DMSO).After adding 0.42g Potassium monofluoride and 0.16g bromination four positive fourth ammoniums continuously, the gained mixture was stirred 2.5 hours down at 50-60 ℃.Reaction mixture is poured in the mixture of 20mL ethyl acetate and 20mL water, separated organic layer.With the saturated aqueous solution washing of continuous water of organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: toluene: normal hexane=1: 2), obtain 0.10g 6-fluoro-3-(thiophenyl)-2-pyrazine formonitrile HCN, be light yellow oiliness product.

IR(neat)cm ^-1：2233

¹H-NMR(CDCl ₃)δ：7.10-7.70(5H，m)，8.34(1H，d，J＝8.1Hz)

Example II-26

Dissolving 1.00g 6-fluoro-3-(thiophenyl)-2-pyrazine formonitrile HCN in the 10mL methylene dichloride.Then, adding under the ice-cooled temperature between 1.00g-the chlorine peroxybenzoic acid, the gained mixture was at room temperature being stirred 2 hours.Reaction mixture is poured in the mixture of 20mL chloroform and 20mL water, transferred pH to 10, separate organic layer with salt of wormwood.With the saturated aqueous solution washing of continuous water of gained organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=2: 1), obtain 0.42g 6-fluoro-3-(benzenesulfinyl)-2-pyrazine formonitrile HCN, be light yellow oiliness product.

IR(neat)cm ^-1：2237

¹H-NMR(CDCl ₃)δ：7.35-7.75(3H，m)，7.75-8.10(2H，m)，8.68(1H，d，J＝8.1Hz)

Example II-27

Dissolving 1.00g 6-fluoro-3-(thiophenyl)-2-pyrazine formonitrile HCN in the 20mL methylene dichloride.Adding under the ice-cooled temperature between 3.70g-the chlorine peroxybenzoic acid after, the gained mixture was at room temperature stirred 4 hours.From reaction mixture, leach insolubles, filtrate is poured in the mixture of 50mL methylene dichloride and 50mL water, transfer pH to 7.5, separate organic layer with the saturated aqueous solution of sodium bicarbonate.With the saturated aqueous solution washing of continuous water of gained organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.Add diisopropyl ether to the gained resistates, the solid collected by filtration product obtains 0.66g 6-fluoro-3-(benzenesulfonyl)-2-pyrazine formonitrile HCN, is colourless oily product.

IR(KBr)cm ^-1：2243

¹H-NMR(CDCl ₃)δ：7.40-7.90(3H，m)，7.95-8.30(2H，m)，8.65(1H，d，J＝8.3Hz)

Example II-28

Dissolving 0.50g 3-amino-6-fluoro-2-pyrazine formonitrile HCN in the 5.0mL methylsulfonic acid.After adding the 0.30g Sodium Nitrite under 7-9 ℃, formed mixture was stirred 2.0 hours under ice-cooled temperature.Maintain the temperature at 10 ℃ or following in, reaction mixture is added drop-wise in the mixture of 15mL frozen water and 15mL ethyl acetate.Formed mixture is with two parts of 10mL ethyl acetate extractions.With the saturated aqueous solution washed twice of gained organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is dissolved in the mixture of 100mL normal hexane and 50mL ethyl acetate, gained solution is with the saturated aqueous solution washing of sodium bicarbonate three times, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.So obtain 0.12g 3-cyano group-5-fluoro-2-pyrazinyl methanesulfonates, be colourless oily product.

IR(neat)cm ^-1：2246

¹H-NMR(DMSO-d ₆)δ：3.40(3H，s)，8.95(1H，d，J＝7.8Hz)

Example II-29

Dissolving 3.0g 3 in the 60mL dimethyl sulfoxide (DMSO), 6-two chloro-2-pyrazine formonitrile HCNs.After adding the 3.0g Potassium monofluoride, the gained mixture was stirred 2 hours down at 90-100 ℃.Reaction mixture returns to room temperature, to wherein adding 2.1g 2-methyl isophthalic acid, 3-cyclopentanedione and 7.2mL triethylamine continuously.The gained mixture was at room temperature stirred one hour.Reaction mixture is joined in the mixture of 50mL ethyl acetate and 200mL water, separate organic layer.With the saturated aqueous solution washing of continuous water of gained organic layer and sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.The gained resistates is through silica gel column chromatography purifying (eluent: normal hexane: ethyl acetate=2: 1), obtain 1.7g 6-fluoro-3-[(2-methyl-3-oxo-1-cyclopentenes-1-yl) oxygen base]-2-pyrazine formonitrile HCN, be yellow solid product.

IR(KBr)cm ^-1：2238，1707，1676

¹H-NMR(CDCl ₃)δ：1.72(3H，t，J＝1.8Hz)，2.58-2.68(2H，m)，2.76-2.91(2H，m)，8.29(1H，d，J＝8.1Hz)

Preparation example 1

Dissolving 0.12g 6-fluoro-3-oxo-3 in 3.0mL methyl alcohol, 4-dihydro-2-pyrazine carboxylate methyl ester.Then, under ice-cooled temperature, introduce ammonia and reach 10 minutes, then the gained mixture was at room temperature placed 2 days to solution.Under reduced pressure remove and desolvate, the gained resistates is joined in the mixture of 30mL ethyl acetate and 30mL water, transfer pH to 7.5, separate organic layer with the saturated aqueous solution of sodium bicarbonate.Add the 30mL ethyl acetate in all the other waterbearing stratums after, transfer pH to 1.0 with 1mol/L hydrochloric acid, all mixtures are with two parts of 15mL ethyl acetate extractions.Merge the gained organic layer, with the saturated aqueous solution washing of 15mL water and 15mL sodium-chlor, dry on anhydrous magnesium sulfate continuously, under reduced pressure remove and desolvate.The gained solid product washs with diisopropyl ether, obtains 0.015g 6-fluoro-3-hydroxyl-2-Zinamide, is yellow solid product.

IR(KBr)cm ^-1：1685，1671，1655

¹H-NMR(DMSO-d ₆)δ：8.46(1H，brs)，8.50(1H，d，J＝7.8Hz)，8.70(1H，brs)，13.39(1H，s)

Preparation example 2

Suspension 0.17g 3 in the mixture of 3.44mL water and 0.5mL diox, 6-two fluoro-2-Zinamides.After adding the 0.45g sodium bicarbonate, the gained mixture was stirred 8.5 hours down at 50 ℃.Then, in reaction mixture, add 0.95mL 6mol/L hydrochloric acid, regulate pH to 1.0, filter and collect sedimentary solid product, obtain 89mg 6-fluoro-3-hydroxyl-2-Zinamide, be solid product.

The physical properties of this compound is consistent with preparation example 1 gained compound.

Preparation example 3

With ice-cooled maintenance 285mL 97% sulfuric acid in 5-12 ℃, to wherein adding 28.5g3-amino-6-fluoro-2-Zinamide, form uniform solution.After in solution, adding the 18.9g Sodium Nitrite under 5-12 ℃, the gained mixture was stirred 1.5 hours, use ice-cooled simultaneously.Be no more than in 10 ℃ in the temperature that keeps reaction mixture, reaction mixture be added drop-wise in the 1.4L frozen water, with formed mixture at first with a 850mL, use two parts of 200mL ethyl acetate extractions then.Merge the gained organic layer, add 400mL water, add the saturated aqueous solution of 160mL sodium bicarbonate then, regulate pH to 3.0, separate organic layer.With of the saturated aqueous solution washing of gained organic layer with sodium-chlor, dry on anhydrous magnesium sulfate, under reduced pressure remove and desolvate.With of the mixture washing of gained resistates with diisopropyl ether and ethyl acetate, obtain 22.4g 6-fluoro-3-hydroxyl-2-Zinamide, be solid product.

The physical properties of this compound is consistent with preparation example 1 gained compound.

Preparation example 4

Under water-cooled temperature, with 2.2g 6-fluoro-3-oxo-3,4-dihydro-2-pyrazine formonitrile HCN is dissolved in the aqueous sodium hydroxide solution of making from 1.27g sodium hydroxide and 24.2mL water.After adding 2.75mL 30% hydrogen peroxide under the above-mentioned uniform temp, formed mixture was stirred 1.5 hours down at 40 ℃.With in ice-cooled, in above-mentioned gained reaction mixture, behind the dropping 2.77mL vitriol oil, formed mixture is cooled to 10 ℃.Filter and collect sedimentary crystallized product, use the 2mL cold water washing, obtain 2.2g 6-fluoro-3-hydroxyl-2-Zinamide, be the light yellow solid product.

The physical properties of this compound is consistent with preparation example 1 gained compound.

Industrial applicibility

Pyrazine derivative of the present invention or its salt, just compound of the present invention has excellent disease-resistant Cytotoxic activity, useful as drug. And then, intermediate of the present invention, just by general formula [21] representative Compound can be used as in the middle of pyrazine derivative of the present invention or its salt, the just preparation of The compounds of this invention Body and the known compound that can be used as virus infections, especially influenza infection prevention and therapeutic agent The preparation intermediate.

Claims (6)

1. by Calmazine derivative or its salt of following general formula representative:

R wherein ²¹Methyl, formyl radical, itrile group, halo carbonyl or protection or unprotected methylol, amino methyl, formamyl or the carboxyl of representing hydrogen atom, methyl, halogenated methyl, protected or unprotected sulfydryl to replace; R ²²Represent hydrogen atom, halogen atom, protection or unprotected hydroxyl or amino, nitro, azido-or replacement or unsubstituted thiophenyl, benzenesulfinyl or benzenesulfonyl; Its condition is R wherein ²¹It is formamyl or by the formamyl of acyl substituted and R ²²Be the compound of hydroxyl and R wherein ²¹Be hydrogen atom and R ²²Be except the compound of hydrogen atom.

2. according to Calmazine derivative or its salt, the wherein R of claim 1 ²¹Be hydrogen atom, methyl, halogenated methyl, formyl radical, itrile group, halo carbonyl or protection or unprotected methylol, formamyl or carboxyl.

3. according to Calmazine derivative or its salt, the wherein R of claim 1 or 2 ²²Be protection or unprotected hydroxyl or amino, halogen atom, nitro or azido-.

4. according to Calmazine derivative or its salt, the wherein R of claim 1 or 2 ²¹Be methyl, halogenated methyl, formyl radical, formamyl, itrile group, halo carbonyl or protection or unprotected methylol or carboxyl.

5. according to Calmazine derivative or its salt, the wherein R of claim 1 or 2 ²¹Be halogenated methyl, formyl radical, formamyl, itrile group, halo carbonyl or protection or unprotected methylol or carboxyl.

6. according to Calmazine derivative or its salt, the wherein R of claim 1 or 2 ²¹Be formamyl, protection or unprotected carboxyl, itrile group or halo carbonyl.