CN1026319C - Pharmaceutical compositions - Google Patents

Pharmaceutical compositions Download PDF

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CN1026319C
CN1026319C CN 88106692 CN88106692A CN1026319C CN 1026319 C CN1026319 C CN 1026319C CN 88106692 CN88106692 CN 88106692 CN 88106692 A CN88106692 A CN 88106692A CN 1026319 C CN1026319 C CN 1026319C
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group
alkyl
phenyl
nitromethane 99min
alkylsulfonyl
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CN1031529A (en
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史蒂文·保罗·布朗
安东尼·洛伦·库珀
杰斯罗·劳伦斯·朗里奇
杰弗里·詹姆斯·莫里斯
约翰·普雷斯顿
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Imperial Chemical Industries Ltd
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Imperial Chemical Industries Ltd
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Abstract

The invention concerns novel pharmaceutical compositions for use in the treatment of certain complications of diabetes and galactosemia and which contain a nitromethane derivative (or its non-toxic salt) as active ingredient. The nitromethane derivatives are inhibitors of the enzyme aldose reductase. Many of the inhibitors are novel and are provided, together with processes for their manufacture and use, as further features of the invention.

Description

Pharmaceutical compositions
The present invention relates to contain the new pharmaceutical compositions of nitromethane derivative, this derivative is the inhibitor of aldose reductase, and new pharmaceutical compositions has practical value, for example treats some peripheral effect (Peripheral effects) of diabetes or galactosemia.The present invention also provides and has used nitromethane derivative to treat the method for one or more above-mentioned peripheral effects.Also have in addition, the invention still further relates to new nitromethane derivative and make the method for described new derivative and contain the method for the medication preparation of any described nitromethane derivative.
Aldose reductase is to cause the intravital aldose of warm-blooded animal (as the people) (as glucose and semi-lactosi) to be catalytically converted into the reason of corresponding alcohol sugar (promptly being separately converted to Sorbitol Powder and melampyrum).Alcohol sugar is difficult for permeates cell membranes, in case generate, has only by further metabolism and just can remove.So alcohol sugar is easily assembled, and cause the rising of osmotic pressure in the cell in the cytolemma of its generation.In the rising of pressing be enough to make the function of cell itself to be damaged and weaken.The affinity of aldose reductase is lower, only under the dense situation of aldose activity is arranged just usually.The aldose of this high density is present in the clinical setting of diabetes (glucose surplus) and galactosemia (semi-lactosi surplus).Therefore, be because Sorbitol Powder or melampyrum accumulate respectively alleviating or suppressing part, and cause the development of diabetes or the peripheral effect of galactosemia that at this moment aldose reductase inhibitor is useful in tissues such as eyes, nerve or kidney.These peripheral effects such as mottled oedema, cataract, retinopathy, neuropathy or nerve conduction damage.Although had been found that many aldose reductase inhibitors, and carried out clinical evaluation,, people's inhibitor that still constantly need alternate.The present invention's part reason is according to this needs, and another kind of reason is that we have found that aldose reductase is subjected to the unexpected restraining effect of some Nitromethane 99Min..
According to a kind of new pharmaceutical composition provided by the invention, wherein be QSO with the structure 2CH 2NO 2The formula I Nitromethane 99Min. as active ingredient.Q is 6 in the formula, 10, or the aromatics part of 14 atoms, can select to have 1 therebetween, 2, or 3 substituting groups, these substituting groups are selected from: hydrogen, halogen, cyano group, nitro, hydroxyl, carboxyl, amino, be at most the alkylamino or the dialkyl amido of 6 carbon atoms, (1-6C) alkanoyl amino, (1-6C) alkanoyl, (1-6C) alkyl, (2-6C) alkenyl, (3-6C) alkenyloxy, fluoro (1-4C) alkyl, (1-6C) alkoxyl group, fluoro (1-4C) alkoxyl group, hydroxyl (1-6C) alkyl, (1-4C) alkoxyl group (1-4C) alkyl, formamyl, be at most the alkyl or the dialkyl amido formyl radical of seven carbon atoms, sulfamyl, be at most the alkyl or the dialkyl sulfamine of six carbon atom, (1-6C) alkoxy carbonyl, (1-4C) alkylenedioxy group, (1-6C) alkane sulfonamido, (1-6C) alkyl, S(O) n-[wherein n be zero, 1 or 2], phenyl, phenoxy group, benzyloxy, benzyloxycarbonyl, benzamido and phenylsulfonamido, the benzene part of 6 groups in back can select to have halogen, (1-4C) alkyl or (1-4C) alkoxy substituent; Perhaps Q has 4 or 5 and is selected from halogen, cyano group, (1-6) alkyl or (1-6C) substituting group of alkoxyl group arbitrarily; But do not comprise that Q is the compound of 2-carboxyl-phenyl; Or the nontoxicity salt of above-mentioned formula I Nitromethane 99Min.; Attenuant that allows on the medicine or carrier in addition.
Term " alkyl " comprises straight chain and two kinds of alkyl of side chain in this manual, yet only refers in particular to straight chain (" positive structure ") type for single alkyl group as " propyl group ", and any branched chain isomer need be pointed out especially as " sec.-propyl ".Similarly custom also is applicable to other general terms.
Be understandable that the substituting group that contains asymmetric replacement atom by means of one or more, with regard to above some generalformula that limits can optically-active or the racemization form exist, selectively contain optically-active or racemization type compound according to the qualification the present invention to activeconstituents, these compounds all have the character that suppresses aldose reductase.Organic chemistry general technology of the prior art can be used to the compound of synthetic opticity, for example, can synthesize or take apart racemoid from the starting material of choosing wantonly with opticity.Equally, adopt the method for inspection of common laboratory hereinafter described, can estimate its rejection characteristic aldose reductase.
For aromatics part Q, useful especially part is the carbocyclic aromatic part, and for example phenyl, naphthyl, phenanthryl or anthryl are wherein best with the effect of phenyl and naphthyl especially.
Special useful part can comprise following groups as an example in the optional substituting group of the last existence of Q:
Halogen: fluorine, chlorine, bromine and iodine;
Be at most the alkylamino or the dialkyl amido of six carbon atom: methylamino-, ethylamino, third amino, fourth amino, dimethylamino, diethylin and (first) (third) amino;
(1-6C) alkanoyl amino: (1-4C) alkanoyl amido, as formamido group, kharophen and propionamido;
Can have a substituent benzamido arbitrarily: have fluorine, chlorine, bromine, methyl, ethyl, the substituent benzamido of methoxy or ethoxy arbitrarily;
(1-6C) alkanoyl: formyl and (2-4C) alkanoyl, for example ethanoyl, propionyl and butyryl radicals;
(1-6C) alkyl: (1-4C) alkyl, as methyl, ethyl, propyl group, sec.-propyl, butyl, secondary monobutyl and uncle's monobutyl;
(2-6C) alkenyl: (2-4C) alkenyl, as vinyl, allyl group, 1-propenyl and 2-methyl-2-propenyl;
(3-6C) alkenyloxy: allyloxy, 2-methyl-2-propenyloxy group and 3-methyl-3-butenyloxy;
Fluoro-(1-4C) alkyl: trifluoromethyl, pentafluoroethyl group, 2,2,2-trifluoroethyl and 3,3,3-trifluoro propyl;
(1-6C) alkoxyl group: (1-4C) alkoxyl group, as methoxyl group, oxyethyl group, propoxy-, isopropoxy, butoxy and uncle's one butoxy;
Fluoro-(1-4C) alkoxyl group: trifluoromethoxy, 2,2,2-trifluoro ethoxy and five fluorine oxyethyl groups;
Have substituent phenyl, phenoxy group, benzyloxy or benzyloxycarbonyl arbitrarily: phenyl, phenoxy group, benzyloxy or have fluorine, chlorine, bromine, methyl, ethyl, the substituent benzyloxycarbonyl of methoxy or ethoxy arbitrarily;
The alkyl of hydroxyl-(1-6C): hydroxyl-(1-4C) alkyl, for example methylol, 1-hydroxyethyl, 2-hydroxyethyl and 3-hydroxypropyl;
(1-4C) alkoxyl group (1-4C) alkyl: methoxymethyl, ethoxyl methyl, 1-methoxy ethyl, 2-methoxy ethyl and 3-methoxy-propyl;
(1-6C) alkoxy carbonyl: (1-4C) alkoxy carbonyl, for example methoxycarbonyl, ethoxy carbonyl, isopropoxy carbonyl and uncle-butoxy carbonyl;
(1-4C) alkylenedioxy group: methylene-dioxy, ethylenedioxy and the inferior different third dioxy base are incorporated into the adjacent atom on the aromatics part Q;
(1-6C) alkane sulfonamide base: (1-4C) alkane sulfonamide base, for example sulfonyl methane amido, ethane sulphonamide base and butane sulfoamido;
Have a substituent benzene sulfonamido arbitrarily: have fluorine, chlorine, bromine, methyl, ethyl, the substituent benzene sulfonamido of methoxy or ethoxy arbitrarily;
Alkyl or dialkyl amido formyl radical that six carbon atom is arranged at the most: N-methylamino formyl radical, N, N-formyl-dimethylamino, N-ethylamino formyl radical, N, N-diethylamino formyl radical and N, N-dipropyl formamyl;
Alkyl or dialkyl sulfamine that six carbon atom is arranged at the most: N-methyl sulfamyl, N-ethyl sulfamyl, N-propyl group sulfamyl, N-butyl sulfamyl, N, N-dimethylamino alkylsulfonyl and N, N-dipropyl sulfamyl; With
(1-6C) alkyl S(O) - n: (1-4C) alkyl S(O) - nFor example methylthio group, ethylmercapto group, methylsulfinyl, ethyl sulfinyl, methyl sulphonyl and ethylsulfonyl.
In general, Q has 3 substituent phenyl or naphthyls typically at the most arbitrarily.
Some nitromethane derivative is known.For example, in the corresponding dibromonitromethane derivative process of preparation as antibiotic, it will Q wherein be that the formula I derivative of phenyl or 4-aminomethyl phenyl is as chemical intermediates that U.S. Patent number 4053633 has been described.Similarly, people such as Kelly are at J.Heterocyclic Chemistry, and 1977,14, having described Q among the 1415-1416 is the formula I derivative of phenyl or 4-fluorine, 4-chlorine, 4-methyl or 4-acetylaminohydroxyphenylarsonic acid phenyl, does not mention application.Similarly, at J.Polymer Science, Polymer, Chem, Ed., 1985,23(7), among the 1963-72, Chemical Abstracts, V01.59, Abstract No.6341g, and J.Pract.Chem., 1920,101, among the 136-157, the formula I derivative of having put down in writing Q respectively and be 4-ethenylphenyl, 2-carboxyl phenyl and 4-bromophenyl is as chemical intermediates.Yet before the present invention, nobody knows that these nitromethane derivatives have the character that suppresses aldose reductase.
The known predetermined substance that is used as the nitromethane derivative of aldose reductase inhibitor comprises that structure is X.Q.SO 2.CH 2.NO 2General formula II compound, wherein Q is a benzene, and X is hydrogen or methyl, fluorine, chlorine, bromine or is attached to kharophen substituting group and nontoxic salt thereof on 4 of Q.The present invention also comprises the pharmaceutical composition of the diluent or carrier that allows as activeconstituents and medicine with general formula II compound or its nontoxic salt.Comprise formula I or II compound or its non-toxic salt by using significant quantity in addition in the present invention, the method for one or more peripheral effects of treatment or prevent diabetes or galactosemia.Another feature of the present invention be the formula I that above limits and II compound or its non-toxic salt manufacturing be used for the treatment of or one or more peripheral side effect novel drugs of prevent diabetes or galactosemia in purposes.
In the present invention; there is the general formula II known compound of Special Significance to contain as aldose reductase inhibitor just like phenyl sulfonyl Nitromethane 99Min., (4-bromophenyl alkylsulfonyl) Nitromethane 99Min. and (4-aminomethyl phenyl alkylsulfonyl) Nitromethane 99Min., and nontoxic salt.
Composition of the present invention can various common formulations exist.For example, be applicable to oral (as tablet, lozenge, hard or soft capsule, water or oiliness suspension agent, emulsion, dispersible powder or saccharoid, syrup or elixir), local (as creme, ointment, gel, water or oil solution or suspension) or the parenteral admin that uses (as with sterilized water or oil solution, at intravenously, subcutaneous, muscle or intravascular administration or as the suppository of rectal administration).
By ordinary method of the prior art, adopt general drug excipient can obtain composition of the present invention.For example, as oral composition can contain that one or more are painted, edulcorant, fragrance and/or sanitas.
The medicine that is used for tablet formulation allows appropriate excipients to comprise as inert diluent, as lactose, yellow soda ash, calcium phosphate or lime carbonate; Granulation or disintegrating agent are as W-Gum or alginic acid; Tackiness agent is as gelatin or starch; Lubricant is as Magnesium Stearate, stearic acid or talcum; Sanitas is as para-hydroxybenzoic acid ethyl ester or propyl ester; Antioxidant is as xitix.But the tablet formulation obducens is obducens not also.In order that improve their slaking and thereafter in intestines and stomach to the absorption of activeconstituents, or improve their stability and/or outward appearance.No matter be used for which kind of purpose, all can adopt the dressing reagent and the method for prior art.
Oral compositions can be made hard gelatine capsule, and active ingredient wherein and inert solid diluent are mixed as lime carbonate, calcium phosphate or the white pottery soil phase.Perhaps make soft gelatine capsule, active ingredient wherein and water or oil as peanut oil, white oil or sweet oil, mix mutually.
Usually aqeous suspension contains fine powder active ingredient and one or more suspension agents, as sodium carboxy methyl cellulose, methylcellulose gum, Vltra tears, sodiun alginate, polyvinyl-pyrrolidone.Tragacanth and gum arabic; Disperse or wetting agent, condensation product as Yelkin TTS or alkylene oxide and lipid acid (as polyoxyethylene stearic acid ester), oxyethane and long chain aliphatic alcohol, condenses as heptadecaethylene oxycetanol (heptadecaethylenecetanol), or oxyethane and by the condensation product of the part ester of lipid acid and hexitol, as polyvinyl chloride Sorbitol Powder-oleic acid ester, or the condenses of oxyethane and the incomplete ester made by lipid acid and hexitan, as polyethylene dehydration sorbose-olein.Aq suspension also can contain one or more sanitass (as ethyl p-hydroxybenzoate or propyl ester).Oxidation inhibitor (as xitix), tinting material, perfume compound and/or edulcorant (as sucrose, asccharin or aspartame).
The preparation of oily suspensions is that activeconstituents is suspended in vegetables oil (as peanut oil, sweet oil, sesame oil or Oleum Cocois), or in the mineral oil (as white oil), also can contain thickening material in the oily suspensions,, hard paraffin cured as honeybee or hexadecanol.Edulcorant, as the edulcorant of having mentioned above adding, perfume compound make oral preparations become good to eat.Adding oxidation inhibitor such as xitix can make these compositions be protected.
Be suitable for adding dispersed powders and the particle that water prepares aqeous suspension, contain activeconstituents and dispersion agent or wetting agent usually, suspension agent and one or more sanitass.Suitable dispersion agent or wetting agent and suspension agent have been lifted the explanation of row example hereinbefore.Other vehicle such as edulcorant, perfume compound and tinting material also can add.
Pharmaceutical composition of the present invention is oil hydrosol formulation also.Oil phase can be a vegetables oil, as sweet oil or peanut oil.Or mineral oil, as white oil or its mixture.Suitable emulsifying agent can be as natural natural gum, as Sudan Gum-arabic or Tragacanth.Natural phosphatide such as soybean, Yelkin TTS or the ester or the part ester that are made by lipid acid and hexitan (polyoxyethylene-sorbitan mono-oleate), and the condensation product of described part ester and oxyethane are as the pure monoleate in polyoxyethylene dehydration mountain (pears).Emulsifying agent also can contain edulcorant, perfume compound and sanitas.
Syrup and elixir can also can contain demulcen, sanitas, perfume compound and/or tinting material with edulcorant such as glycerine, propylene glycol, sorbyl alcohol, aspartame or sucrose preparation.
Pharmaceutical composition also can be made into sterilized water or oil suspension injection, and process for preparation adopts known program, one or more the suitable dispersion agents or wetting agent and the suspension agent that use the front to mention.Nontoxic thinner or solvent that the also available permission parenteral of aseptic injection uses as 1,3 butylene glycol solution, are made sterile solution or suspension injection.
With activeconstituents and suitable non-irritating mixed with excipients and make the suppository medicament.Vehicle herein is solid at normal temperatures, yet is liquid under the temperature of rectum, and this suppository is melted at internal rectum and discharges medicine like this.Suitable vehicle comprises as oleum theobromatis or polyoxyethylene glycol.
The medicament of local use, solution or suspension as creme, ointment, gel and water or oil can adopt ordinary method of the prior art usually, and is formulated by activeconstituents and carrier or thinner commonly used, that allow the part to use.The part that is applicable to eyes makes normally ointment of with medicament.Gel or through the sterile solution (this pH value ability eyes accept) of buffer pH value in the 7.0-7.6 scope.
Obtain the amount of a dose unit activeconstituents with one or more mixed with excipients, must change according to the ad hoc fashion of curer and administration.For example, be used for the oral medicament of human body and contain promoting agent usually just like 0.5mg-2g, it and 5 to 98% the mixed with excipients that accounts for composition total weight, this amount is suitable.1 dose unit contains the activeconstituents of about 1mg to about 500mg usually.
Suitable non-toxic salts comprises as the salt that allows on the medicament, as basic metal (as potassium or sodium), alkaline-earth metal (as calcium or magnesium), ammonium and aluminium salt and the salt that can form for the cationic organic bases that permission is provided on the physiology (salt that forms as methylamine, dimethylamine, Trimethylamine 99, piperidines and morpholine etc.).In addition, for the suitable nontoxic salt of the activeconstituents that enough alkalescence is arranged (as containing alkylamino or dialkyl amido), comprise as a sour additive salt (acid-addition) as with the salt of hydrogen halide, sulfuric acid, phosphoric acid, citric acid and toxilic acid, these salt are allowed by medicine and physiology.
The nitromethane derivative of most of formula I is new.According to another characteristic of the present invention, according to above to the qualification of activeconstituents in the present composition, the present invention also provides the formula I new compound, or its non-toxic salt, but do not comprise that Q in the compound is unsubstituted phenyl and the phenyl and the alkaline metal salt thereof that have 4-fluorine, 4-chlorine, 4-bromine, 4-methyl, 4-vinyl, 4-kharophen or 2-carboxyl substituent.
According to above eliminating situation, go up optional substituent concrete choosing value for Q that limits and Q, should comprise those contents that above limit.
The interested especially one group of new compound of the present invention comprises the compound of general formula III (above stating), X in the formula 1Be selected from the alkyl of the alkyl of halogen, (1-6C) alkyl, (1-6C) alkoxyl group, (3-6C) alkenyloxy, hydroxyl, cyano group, hydroxyl-(1-6C), fluoro-(1-4C); X 2Be hydrogen or X 1A group of middle regulation; X 3A kind of substituting group on the Q that is limited for hydrogen or when the above-mentioned qualification activeconstituents of the present invention; And nontoxicity salt, if X 1When being 4-fluorine, 4-chlorine, 4-bromine, 4-methyl or 2-carboxyl, then can not X 2And X 3The both is a hydrogen.
Other one group of new compound that the present invention also has comprises those compounds of formula I, and wherein Q is:
(a) naphthyl;
(b) phenanthryl; Or
(c) anthryl;
And in each group, Q is unsubstituted or has 3 at the most and be selected from above to X 1, X 2And X 3The substituting group that is limited; And nontoxicity salt.
X 1Best value comprises as halogen and (1-6C) alkyl (particularly fluorine, chlorine and methyl).X 2Best value comprises as hydrogen and (1-6C) alkyl (particularly hydrogen methyl).X 3Best value comprise as hydrogen, halogen and (1-6C) alkyl (particularly hydrogen, fluorine, chlorine and methyl).
Introduced new compound of the present invention among the incidental embodiment, wherein special compound of interest and nontoxicity salt thereof are included in hereinafter among the embodiment 1,2,6,7,9,19,20,30,46 and 50, and these are another feature of the present invention.
Utilize the usual way of the known production similar structures of organic chemistry compound to synthesize new compound of the present invention.For example, Zeilstra etalia has summarized one or more methods at Rcc.Trav.Chim.Pays Bas 1974,93 in one piece of paper among the 11-14.These methods provide another feature of present method, and describe by following method, and wherein any substituting group on Q and the Q has the whole implications that above limit.
A) in the presence of basic metal (1-6C) alkoxide such as uncle's one butanols potassium or sodium methylate, be QSO with general formula - 2M +Basic metal-sulfinate (IV), (M in the formula +Be alkali metal cation, as sodium or potassium) and Nitromethane 99Min. and Iod R.
The optimum condition that reaction is carried out is that suitable polar solvent is arranged, and as dimethyl formamide (best) or N-N-methyl-2-2-pyrrolidone N-, temperature range is as-30 to 20 ℃, is generally 0 ℃.Nitromethane 99Min. is generally excessive.
The acquisition of basic metal-sulfinate is by general formula QSO 2Corresponding-sulfinic acid of H and suitable alkali metal hydroxide or (1-6C) methylate or the ethylate reaction of alkoxide such as sodium or potassium.-sulfinic acid itself is to adopt S-WAT or zinc soil and water, through the conventional reduction method, by general formula QSO 2The corresponding SULPHURYL CHLORIDE of Cl obtains.SULPHURYL CHLORIDE normally obtains general formula QSO by the suitable combination thing of sulfonation general formula QH 3The sulfonic acid of H is afterwards again by changing into SULPHURYL CHLORIDE with reaction as phosphorus pentachloride.
(b) there being highly basic to exist, with general formula QSO 2CH 3Sulfone (V) and the reaction of (1-5C) alkyl nitrate ester selected (as ethyl nitrate, propyl ester, isopropyl ester or pentyl ester).
Specially suitable highly basic is (1-6C) alkali alkyl, as butyllithium.
Reaction preferably has suitable solvent or thinner, carries out under-80 to 10 ℃ as ether (as tetrahydrofuran (THF) or uncle-Ding methyl ether) and temperature range.
Utilizing the general method of prior art can make the necessary sulfone class of general formula V, as with the conditions of similarity described in the following method (c), is QSCH with general formula 3Corresponding methylthiolation compound (VI) oxidation.
(c) the oxidation general formula is QSCH 2NO 2Thioether (VII)
Suitable oxygenant comprises that being used for transforming thio group is the well known in the prior art of alkylsulfonyl and when go up the oxygenant that stands good when substituent other responsive functional group exists as Q.For example, can adopt hydrogen peroxide, organic peracid (as peroxybenzoic acid) or lead tetraacetate.Perhaps, can use basic metal periodate (as sodium metaperiodate), persulphate (as mistake-vitriolate of tartar) or permanganate (as potassium permanganate), or the gas oxygen in the presence of appropriate catalyst (as platinum).Oxidizing reaction is preferably being used for the suitable conventional solvent or the thinner of this oxidizing reaction, as acetate or propionic acid, and carries out under as 0 to 80 ℃ in the scope of temperature.
In some cases, general formula is that the corresponding sulfoxide derivant of thioether of VII can be used as and can form by isolating intermediate product.Method of the present invention also is included in suitable solvent such as acetate and in certain temperature range under the condition of (as 20 to 80 ℃), by with alkali-metal permanganate (potassium permanganate) reaction, this sulfoxide intermediate product is oxidized to the sulfone that general formula is an I.
General formula is that the initial thioether of VII can make with vitochemical general method, as having in the presence of the suitable alkali, by corresponding thiophenol (VIII) potassium or sodium salt and chloro or monobromo-acetic acid (or its (1-4C) alkyl ester) reaction of general formula QSH, changing into general formula thus is QSCH 2CO 2The corresponding thioacetic acid (IX) of H (or its (1-4C) alkyl ester (as methyl or ethyl ester).Make sour IX (or its (1-4C) alkyl ester) and (1-5C) alkyl nitrate ester selected and (1-6C) alkali alkyl then, as nitro propyl ester and butyllithium, react being similar under the employed condition of aforesaid method (b), just can obtain general formula is QSCH(NO 2) CO 2Corresponding 2-nitroacetic acid (IX) an alkali metal salt of H (or its (1-4C) alkyl ester).The acid of general formula IX is unsettled, and easy decarboxylize, and an alkali metal salt of acidifying general formula IX acid is with regard to the separable thioether that goes out the general formula VII.Can make general formula as the aqueous solution with alkali is the acid that the ester of IX acid is hydrolyzed into the general formula IX, and acidifying obtains the thioether of general formula VII then.Having under the such alkali existence condition of Potassium monofluoride,, be easy to obtain the ester of general formula IX acid suitable (1-4C) nitroacetic acid alkyl ester and needed thiophenyl chlorine (general formula VIII, hydrogen is replaced by chlorine) reaction.
Be to be appreciated that at general formula of the present invention be in the compound of I, Q can have the substituted radical of various responding property.Therefore, before the arbitrary method in finishing aforesaid method (a)-(c), be necessary to protect one or more such substituted in reaction groups with method commonly used with suitable protecting group on a certain stage, in the end a step is removed protecting group then.For example use acyl group (as the acetyl or benzoyl base), uncle's monobutyl, allyl group or phenmethyl protecting group protection hydroxyl substituent; With protecting amino substituting group as the blocking group of acyl group (as the acetyl or benzoyl base); Ketone group can its ketal form be protected (as make its ketal with 1); Carboxyl substituent can its (1-4C) alkyl (especially methyl, ethyl or uncle's monobutyl) or the form protection of benzyl esters.On the common textbook of organic chemistry, describe the protection of substituted in reaction base and gone necessary suitable protecting group of provide protection and method.The present invention includes the method (a) and (b) of the formula I new compound that production above limits or result of study (c); it is characterized in that using respectively the starting material of general formula IV, V or VII; wherein the one or more substituted in reaction bases that exist as the last substituting group (as hydroxyl, amino, ketone or carboxyl) of Q are protected with suitable protecting group, and in the end a step is removed this protecting group with suitable method.
In addition, being to be appreciated that has many substituting groups to be obtained by other substituting group in the generalformula on the Q, and they itself then utilize the mutual conversion of common functional group of the prior art, by above-mentioned (a) and (b) and (c) method obtain at first.This mutual conversion comprises, as:
(1) be about room temperature, under the alkali existence just like triethylamine, amino group and acylating agent (as paraffinic acid muriate, combination chain alkanoic acid anhydride or chloroformic acid alkyl or benzyl ester) reaction;
(2) temperature in as the solvent that (1-4C) alkyl alcohol is suitable, makes the hydrolysis of alkanoyl amino group by the reaction with highly basic or strong acid between 35 to 80 ℃;
(3) under the temperature about room temperature, suitable condensing agent is arranged (when promptly using free carboxy usually, there is carbodiimide to exist, and when using carbonyl chloride or carbonyl bromide, have alkali such as triethylamine to exist), make carboxyl (or corresponding carbonyl chloride or carbonyl bromide) and suitable alkyl alcohol, benzylalcohol or amine condensation;
(4) be between-70 to 0 ℃ in temperature, bromo or iodo group and lithium reagent such as butyllithium reacted, subsequently with carbon dioxide reaction;
(5) temperature makes formamido-be reduced into methylamino-with appropriate reductant (as borane, more convenient with the mixture of methyl-sulfide) in 0 to 25 ℃ of scope;
(6) temperature uses appropriate reductant (as borane, with comparatively suitable with the mixture of methyl-sulfide) that carboxyl reduction is become methylol between 10 to 40 ℃;
(7) temperature is used suitable dewatering agent (as phosphoryl chloride) between 60-110 ℃, makes formamyl be dehydrated into cyano group;
(8) use and the similar condition of qualification aforesaid method (c), (as permonosulphuric acid potassium is to serve as that the conversion alkylthio is the alkyl sulfinyl with suitable oxygenant, or potassium permanganate is alkyl sulphonyl for transforming alkylthio or alkyl sulfinyl) the oxidation alkylthio is that alkyl sulfinyl and/or alkyl sulphonyl and alkyl sulfinyl are alkyl sulphonyl;
(9) temperature is about under the room temperature, and using suitable oxygenant (as pyridinium chlorochromate) oxidation hydroxyalkyl is corresponding ketone group; With
(10) temperature is between 20 to 80 ℃, by with suitable paraffinic acid and sodium borohydride reaction, amino reductive alkylation is become corresponding alkylamino or dialkyl amido.
This class tautomerism of great majority describes in detail in incidental embodiment, and also is included among the embodiment as another feature of the present invention.
In addition, when the needs non-toxic salts, generalformula can with the suitable alkali reaction that has non-toxic cation, and when Q contains a suitable basic group (as alkylamino or dialkyl amido), with suitable acid-respons, can prepare a kind of nontoxic acid-additive salt with innoxious negative ion.
As mentioned above, generalformula suppresses aldose reductase.Therefore, the Practical significance of this compound is to treat because the catalyzed reaction of aldose reductase has taken place in vivo, and forms excessive as this class product of Sorbitol Powder thereby disease that causes or symptom.
With the characteristic that suppresses aldose reductase in the method for inspection display body of following common lab.For example, take streptozotocin to mouse and make it get diabetes (evidence is that serious glycosuria is arranged), take test compound for every day then these animals, continue one, two or five day.After the medication 2-6 hour the last time, kill these animals, take out eyes crystal and/or sciatic nerve.After a common processing treatment program, residual concentration of sorbitol in each tissue of available vapour-liquid chromatography, Sorbitol Powder has been converted into poly-trimethyl silane radical derivative before mensuration.Then, residual concentration of sorbitol in the tissue of residual concentration of sorbitol in the tissue of the diabetes mouse of taking medicine group and the normal mouse group that does not have medication diabetes mouse group and do not take medicine is done one relatively, with the retarding effect of aldose reductase in this estimated body.
Also can show the characteristic that suppresses aldose reductase external.Therefore, the aldose reductase that from Niu Jingti, separates incomplete purifying with currently known methods.This kind of enzyme that is caused by test compound is a polyhydroxy-alcohol at external catalytic reduction aldose, and the glucose that particularly reduces is the inhibition per-cent of Sorbitol Powder ability, and available common spectrophotometric methods is measured.
In order to describe the rejection characteristic of generalformula to aldose reductase in detail, this compound IC50 in above-mentioned in vitro tests is 3.2 * 10 among the embodiment -7M.Change along with chemical structure to a certain extent though the activity of each compound of formula I is inevitable, in general, in the in vitro tests of mentioning in the above, when dosage (usually PO) is 100mg/kg or few when not having the overt toxicity sign, generalformula demonstrates the obvious suppression effect, and IC50 is 10 in above-mentioned in vitro tests -5M or still less.
Absorption was administered to warm-blooded animal (generally by mouth) in the compound of formula I was main, reached prevention effect by the restraining effect of aldose reductase, and for example the per daily dose scope is 1 to 40mg/kg.For the people, imagine for each person every day taking dose and be 15 to 800mg, if in case of necessity, divide and take several times.
Yet the compound of taking is accurately measured nature with the condition of patient's age, sex and the state of an illness and treatment and slightly different.
Generalformula also can locally use, and for example directly is applied to tissue or the organ that needs inhibitory enzyme by topical, uses as the part on eyes.The accurate amount of this compound administration must decide according to employed prescription.For example, when using solution, compound concentrations reaches as high as 0.01%(weight meter usually).Similarly, when using ointment, this compound concentrations reaches as high as 2%(weight meter).The part of generalformula makes with medicament, can be applied on the eyes of animal, receives treatment and/or to prevent the people or the dog of glycosuria cataract or retinopathy, usual method be with drops or wash a topical agent as needs.
Said composition also can comprise one or more other known to treatment diabetes or the medicable reagent of galactosemia, as hypoglycemic drugs (hypoglycaemic agent) such as tolbutamide, P-607 or glyburide.
To describe the present invention in detail by following unrestricted embodiment, unless otherwise stated:
(ⅰ) all evaporations all are to adopt rotary evaporation in vacuo;
(ⅱ) all operation is all carried out under scope is 18-26 ℃ room temperature;
(ⅲ) use nuclear magnetic resonance spectrum and thin-layer chromatographic analysis and/or trace analysis to evaluate the purity of chemical products;
(ⅳ) " mmol " expression mmole equivalent;
(ⅴ) sherwood oil (b.p.60-80 ℃) is considered to " gasoline " 60-80 °.
(ⅵ) productive rate only is explanation, rather than through updating the maximum that method can reach; With
(ⅶ) medium pressure liquid chromatography (MPLC) is silica gel (Merck Art.9385 is obtained by West Germany E Merck and Co.Darmstadt).
Example 1
(6.72ml 124mmol) is added drop-wise to uncle's one butanols potassium (6.27g, N 55.8mmol), dinethylformamide (DMF with Nitromethane 99Min. under stirring; 250ml) in the solution, in ice bath, be cooled to 0 ℃.Add finish after, continue 0 ℃ of following restir 30 minutes.Add then naphthalene-1--sulfinic acid sodium salt (12g, 56mmol), add immediately iodine (7.2g, 28.3mmol).Rise to room temperature after stirring this mixture overnight.The aqueous solution that S-WAT is dense is added to and makes its part decolouring in the reaction mixture.Pour into then in the water (1 liter), use the hcl acidifying of 2M again.Use the ethyl acetate extraction aqueous mixture.Combining extraction liquid, water, salt water washing, dry again (MgSO 4).Evaporation removes and desolvates.Residual yellow liquid medium pressure liquid chromatography (MPLC) purifying of silica gel, (1: 10V/V rises to 1 gradually: 5V/V) wash-out with ethyl acetate isohexane.(1-naphthyl-alkylsulfonyl) Nitromethane 99Min. that obtains like this is colourless oily matter, with ether (ether) crystallization, can obtain a solid (1.85g, mp99-101 ℃.
Make starting material as follows:
The sodium bicarbonate of crossing toward vigorous stirring (8.4g, 100mmol) and sodium sulphite anhydrous 99.3 (12g in water 95mmol) (50ml) solution, divides some parts to add naphthalene-1-SULPHURYL CHLORIDE (11.5g, 50mmol), the while is stirring tempestuously.Being interrupted heating makes temperature remain on 70-80 ℃.Add finish after, under 70-80 ℃, heat and stirred this mixture 1 hour.With the time more than 4 hours mixture is cooled to room temperature then, uses the 2M hcl acidifying again.By filtering the solid of collecting precipitation, wash dry air with water.Use the aqueous ethanolic solution recrystallization again, obtain naphthalene-1--sulfinic acid solid, mp86-87 ℃.
By the methanol solution of adding sodium methylate (1 equivalent), and the solution of evaporation gained, make this acid be converted into its sodium salt.Use this sodium salt need not purifying or description.
Example 2
Make the similarity method of use-case 1 description, obtain the solid of (2,4,6-trimethylphenyl alkylsulfonyl) Nitromethane 99Min., mp92-93 ℃ (using the ethyl acetate/hexane recrystallization).With 2,4, the 6-trimethylbenzene chloride makes initial-sulfinic acid sodium salt as initial reagent with the similar approach for preparing starting material in the example 1.
Example 3
(12.0g 100mmol) splashes in uncle-butanols potassium (20g, dry DMF(200ml 178mmol)) solution of stirring, makes temperature be controlled at 0-5 ℃ by exterior cooling with Nitromethane 99Min..Add finish after, with mixture 0-5 ℃ of following restir 30 minutes.Add then 4-iodobenzene-sulfinic acid sodium (29.0g, 100mmol), then add iodine (22.8g, 90mmol).This mixture was at room temperature stirred 2 hours, pour into then in the water (3 liters).With making its part decolouring in the dense sodium sulfite aqueous solution adding reaction mixture, use the 2M hcl acidifying again.Filter the solid of collecting precipitation, wash the back with water with ethyl alcohol recrystallization 4 times, obtain mp177-179 ℃ in the crystal (0.8g) of (4-iodophenyl alkylsulfonyl) Nitromethane 99Min., trace analysis is found: C, 25.56; H, 1.83; N, 4.18%; C 7H 6INO 4Contain among the S: C, 25.70; H, 1.85; N, 4.30%.
The method that makes initial-sulfinate is as follows:
Under 70-80 ℃ with 4-phenyl-iodide SULPHURYL CHLORIDE (30.2g, 100mmol) divide the some parts of sodium bicarbonates that add vigorous stirring (16.8g, 200mmol) and sodium sulphite anhydrous 99.3 (24g is in water 190mmol) (100ml) solution.Being interrupted heating makes temperature remain on 70-80 ℃.After interpolation finishes, mixture was stirred 1 hour at 70-80 ℃ of reheat.Then mixture is filtered, make the filtrate cooling near 40 ℃.Filtering solution is isolated the crystalline solid, and with behind the ice-cold water washing, vacuum-drying is 48 hours on sodium hydroxide and calcium chloride, obtains 4-iodo benzene sulfinic acid sodium salt, mp>350 ℃, and this salt need not be further purified or identify and can use.
Example 4-12
Adopt the similarity method of (the 4-iodophenyl alkylsulfonyl) Nitromethane 99Min. described in the example 3, to obtain productive rate be 1-30% and have satisfied ultimate analysis and the following generalformula of NMR spectrum :-(table 1 is seen the literary composition back)
[ X XThis compound is to obtain from the acidified reaction mixture of dichloromethane extraction.Dry (Na 2SO 4) extraction liquid and evaporating solvent.Then with 7: the hexane/ethyl acetate of 3V/V is as elutriant, with flash chromatography purifying residue].
Usually the similarity method of the 4-iodobenzene-sulfinic acid sodium described in the use-case 3 prepares the necessary-sulfinic acid sodium of general formula IV, and obtain be to use the time the high melting point solid that need not fully describe.Yet under the situation as the sulphite starting material of example 8 and 9, dilute with water-sulfinate reaction mixture is acidified to pH1 with concentrated hydrochloric acid, uses dichloromethane extraction then.Extraction liquid drying (Na 2SO 4) the back evaporating solvent.Handle by methanol solution, make the-sulfinic acid that obtains be converted into its sodium salt, the evaporation methyl alcohol that continues with the equivalent sodium methylate.
Needed initial SULPHURYL CHLORIDE is not to have bought easily exactly to make by usual way of the prior art.For example; adopt Organic Syntheses; Collected Volume 1; go up described method for 85 pages; the suitable compound of mutual-through type Q-H carries out chlorosulfonylation, or adopts Organie Syntieses, and Volume 60; the method of describing on 121 pages makes the reaction of suitable diazonium salt and sulfurous gas.SULPHURYL CHLORIDE in the example 11 and 12 is to adopt Helvetica Chimica Acta, 1956,39, and the method described in the 1579-1586 makes.
Example 13
With mistake-vitriolate of tartar [trade mark " Oxone "; 38.7g, 63mmol] water (100ml) solution once all add (uncle's 4-monobutyl phenyl sulfo-) Nitromethane 99Min. (A) of vigorous stirring (4.76g be in methyl alcohol 21.9mmol) (90ml) solution.Form a kind of cream-colored precipitation.Stir this mixture overnight.Add water (200ml) then, use the ethyl acetate extraction mixture again.Combining extraction liquid, dry (MgSO 4) and the evaporative removal solvent.Remaining yellow solid hexanaphthene recrystallization obtains (4-tert-butyl phenyl sulfonyl) Nitromethane 99Min. colorless solid (3.34g), and mp90-91 ℃, trace analysis is found: C, 51.4; H, 5.9; N, 5.4%; C 11H 15NO 4Contain among the S: C, 51.4; H, 5.9; N, 5.4%.
Make starting material (A) by following method :-
(ⅰ) under 80 ℃ of agitation conditions, (6.29g, (10.8ml is in aqueous solution 81mmol) 54mmol) to add 4-tert-butyl benzenethiol (9.0g, 30%(W/V 54mmol)) sodium hydroxide with sodium chloroacetate to divide some parts.After adding end, continue down to stir 2 hours, form a kind of heavy-gravity white depositions therebetween in 80 ℃.Reaction mixture is added in the entry (200ml), and add the 2M hcl acidifying to pH2.With this mixture of ethyl acetate extraction, the extraction liquid of merging is used 10%(W/V again) wet chemical extract.Aqueous extract is used ethyl acetate extraction again by adding the 2M hcl acidifying to pH2.Extract drying (MgSO with these merging 4), the evaporative removal solvent obtains 2-(4-tert-butyl phenyl sulfo-) acetate (B) deadgress oily matter (9.07g); This product has satisfied NMR spectrum.
(ⅱ) in argon gas, (51.25ml, 82mmol) solution splashes into the B(9.07g of stirring, 40.5mmol) remains in-40 ℃ anhydrous tetrahydro furan (150ml) solution with the hexane of 1.6M butyllithium.After interpolation finishes, mixture was stirred 1 hour down in-5 ℃, (12.92g 123mmol) splashes under-5 ℃ in the said mixture of stirring, and then stirs 2 hours, and whole process temperature remains on below 0 ℃ always with propyl nitrate.Add 2M hcl acidifying mixture [contain 2-(4-tert-butyl phenyl sulfo-)-dilithium salt of 2-nitroacetic acid] to pH2.When carbonic acid gas [because of 2-(4-tert-butyl phenyl sulfo-)-decarboxylation of 2-nitroacetic acid due to] discharge stop after, made mixture at room temperature static 30 minutes.Add water (300ml) then and with this mixture of ethyl acetate extraction.The extraction liquid that merges washs continuously with the aqueous solution, water and the salt solution of sodium bicarbonate, dry again (MgSO 4), the evaporative removal solvent, residual oily matter silica gel chromatography purifying, use (3: 20V/V) ethyl acetate/hexane wash-out, obtain the tangerine look oily matter (4.76g) of (4-tert-butyl phenyl sulfo-) Nitromethane 99Min. (A), NMR composes (200MHZ, d 6DMSO): 1.27(S, 9H), 6.02(S, 2H), 7.42(S, 4H).
Example 14-16
Adopt the similarity method of describing in the example 13, but, make following compounds from the suitable thioether of general formula VII :-
(example 14):
By (3-p-methoxy-phenyl sulfo-) Nitromethane 99Min. is that [(1: behind MPLC purifying 5V/V), be separated as the oily body, this oily body has satisfied NMR spectrum (90MHz, CDCI to itself to raw material using ethyl acetate/hexane 3): 3.79(S, 3H), 5.41(S, 2H), 6.74-7.34(m, 4 fragrant H)] make (3-p-methoxy-phenyl alkylsulfonyl) Nitromethane 99Min. solid, mp57-58 ℃; [the usefulness ethyl acetate/hexane (1: MPLC purifying 10V/V)]; Trace analysis is found: C, 42.1; H, 4.0; N5.95%; C 8H 9NO 5Contain among the S: C, 41.6; H, 3.9; N, 6.1%, productive rate is 77%.
(example 15):
With (3-trifluoromethyl sulfo-) Nitromethane 99Min. is raw material [itself ethyl acetate/hexane (7: behind MPLC purifying 3V/V), to have satisfied NMR spectrum (200MHz, CDCI3): 5.49(S, 2H), 7.46-7.83(m, 4 fragrant H) oily matter is isolated] make (3-trifluoromethyl alkylsulfonyl) Nitromethane 99Min. solid, mp96-97 ℃; Trace analysis is found: C, 36.1; H, 2.3; N, 4.9%; C 8H 6F 3NO 4Contain among the S: C, 35.7; H, 2.2; N, 5.2%; (sublimation purification); Productive rate is 42%.
(example 16):
From (2-naphthyl sulfo-) Nitromethane 99Min. [itself with ethyl acetate/hexane (1: behind MPLC purifying 5V/V), isolate with oily matter] begin to make the solid of (2-naphthyl alkylsulfonyl) Nitromethane 99Min., mp106-107 ℃; Trace analysis is found: C, 52.9; H, 3.5; N, 5.5%; C 11H 9NSO 4In contain: C, 52.6; H, 3.6; N, 5.6%; [the usefulness ethyl acetate/hexane (1: MPLC purifying 10V/V)]; Productive rate is 14%.
Adopt the similar approach of describing in the example 13, make initial thioether in the general formula VII, promptly by the thiacetic nitration reaction of general formula IX and the acid of the nitroacetic acid of the general formula XI that continues-catalytic decarboxylation reaction.Make the similar approach of describing in the use-case 13 can obtain the thioacetic acid of general formula IX itself, promptly pass through suitable mercaptan and the sodium chloroacetate and the sodium hydroxide reaction of general formula VIII.Usually, this starting material need not be described.
Example 17
(1.68g, 10.6mmol) water (56ml) solution once all adds (2,4,5-trichlorophenyl sulfo-) Nitromethane 99Min. (2.45g in acetate 9mmol) (50ml) solution, cools off this mixture immediately in ice bath with potassium permanganate under 20 ℃.Stirred the mixture 10 minutes, water (100ml) dilution with the sodium sulfite solution decolouring, is used ethyl acetate (2 * 75ml) extractions again.Combining extraction liquid, dry (MgSO 4) and evaporation.Develop residue with ethane, and filter out the solid that is produced, (1: 5V/V) the MPLC purifying of wash-out obtains the colorless solid (0.8g) of (2,4,5-trichlorophenyl alkylsulfonyl) Nitromethane 99Min., mp122-123 ℃ with ethyl acetate/ethane; Trace analysis is found: C, 28.0, H, 1.4; N, 4.9%; C 7H 4Cl 3NO 4Contain among the S: C, 27.6; H, 1.3; N, 4.6%.
Adopt the similar approach of describing in the example 13, from 2,4,5-trichlorophenyl thioacetic acid begins to obtain the initial thioether of buttery, and the NMR spectrum (200MHz, CDCL3): 7.63(S, 1H), 7.53(S, 1H), 5.43(S, 2H) [ethyl acetate/hexane (1: behind MPLC purifying 5V/V)], 2,4,5-trichlorophenyl thioacetic acid itself is from 2,4,5-trichlorobenzene mercaptan begins, and what obtain is solids, mp111-112 ℃ (using the ethyl acetate/hexane recrystallization).
Example 18-19
Except under 50 ℃, carrying out 3 hours oxidizing reaction, all adopt the similarity method of describing in the example 17, make following compounds:
(example 18):
[the 4-(4-chloro-phenyl-) phenyl sulfonyl] Nitromethane 99Min.; begin [with dichloromethane/hexane (7: 3V/V) behind the MPLC purifying of wash-out by [4-4(-chloro-phenyl-) phenyl sulfo-] Nitromethane 99Min.; obtain its solid, satisfied trace analysis result and NMR spectrum (200MHz/CDCl is arranged 3): 5.49(d, 2H), 7.38-7.63(m, 8H)] obtain solid, mp175-176 ℃ (with hexane development back), productive rate is 84%.With
(example 19):
(2,6-3,5-dimethylphenyl alkylsulfonyl) Nitromethane 99Min. is with (2; 6-3,5-dimethylphenyl sulfo-) Nitromethane 99Min. is that raw material is [with ethyl acetate/hexane (1: 5V/V) behind the MPLC purifying of wash-out, obtain its oily body, satisfied NMR spectrum (200MHz is arranged; CDCl3): 2.52(S, 6H), 5.25(S; 2H); 7.10-7.26(m, 3H)], obtain solids; mp70-71 ℃ [with ethyl acetate/hexane (1: behind MPLC purifying 10V/V)], productive rate is 44%.
Adopting the similar approach of describing in the example 13, is that the corresponding thioacetic acid of IX and the mercaptan acquisition general formula of general formula VIII are the necessary thioether of VII from general formula.Separate the thioacetic acid solid that obtains the general formula IX, it has satisfied NMR spectrum, does not need other evaluation.
Example 20
(the 3%W/V solution of 58.67ml, (2.0g is in acetate 9.28mmol) (75ml) solution 11.14mmol) once all to add (the 4-chloro-2.5-3,5-dimethylphenyl sulfinyl) Nitromethane 99Min. that stirs with the potassium permanganate solution of preparation newly.Under 50 ℃, stirred the mixture 3 hours, and be cooled to room temperature then.The saturated solution of S-WAT splashed into its part is faded, pour into again in the water (350ml).With extracted with diethyl ether three times.With the extraction liquid that the salt water washing merges, dry (MgDO 4), evaporation removes and desolvates, and obtains oily matter (2.0g).Behind the MPLC of methylene dichloride wash-out purifying, obtain the solid (1.47g, productive rate are 60%) of (4-chloro-2,5-3,5-dimethylphenyl alkylsulfonyl) Nitromethane 99Min., mp113-114 ℃ (behind hexane development solid); Trace analysis is found: C, 41.1; H, 3.8; N, 5.2%; C 9H 10ClNO 4Contain among the S: C, 41.0; H, 3.8; N, 5.3%.
The method that makes starting material is as follows:
(trade mark is " Oxone " with permonosulphuric acid potassium, 29.7g, 48.3mmol) water (70ml) solution once all add (4-chloro-2.5-3,5-dimethylphenyl sulfo-) Nitromethane 99Min. of vigorous stirring (A(3.7g be in methyl alcohol 18.5mmol) (60ml) solution.Put in reaction vessel water-soluble under room temperature, thermopositive reaction speed is slowed down.Stirred this mixture 16 hours, water (500ml) dilution then.Use the aqueous mixture of ethyl acetate extraction again.Wash the extraction liquid (being neutrality) of merging with water, use the salt water washing again, dry (MgSO until washings 4), evaporating solvent obtains the faint yellow solid (2.95g, productive rate are 64%) of (4-chloro-2,5-3,5-dimethylphenyl sulfinyl) Nitromethane 99Min., mp124-125 ℃ (behind the hexane/ethyl acetate recrystallization); Trace analysis is found: C, 43.6; H, 4.1; N, 5.5%; C 9H 10ClNO 3Contain among the S: C, 43.6; H, 4.1; N, 5.7%.
With (4-chloro-2,5-3,5-dimethylphenyl sulfo-) acetate is the oily body that raw material (itself makes from 4-chloro-2.5-dimethyl benzene mercaptan) makes thioether (A), and it has good NMR spectrum (200MHz/CDCl 3): 2.33(S, 3H); 2.42(S, 3H), 5.37(S, 2H), 7.26(S, 1H), 7.35(S, 1H.Above-mentioned two kinds of situations adopt the similar approach described in the example 13.
Example 21
Under 70 ℃ of intense stirring condition, with 4-fluoro-3.5-dimethyl benzene SULPHURYL CHLORIDE (5.56g, 25mmol) divide some parts add sodium sulphite anhydrous 99.3s (6.0g, 47.6mmol) and sodium bicarbonate (4.2g is in water 50mmol) (25ml) solution.After interpolation finished, this mixture stirred 2 hours at 70 ℃ of reheat.Cooling mixture filters and collects the solid that crystallizes out from solution, and a spot of water dissolution of consumption uses the 2M hcl acidifying to pH1 again.(3 * 75ml) extract resulting throw out, combining extraction liquid after drying (MgSO with ethyl acetate 4).Evaporating solvent is developed solid residue with ether, and solid collected by filtration with the ether washing, obtains 4-fluoro-3.5-dimethyl benzene-sulfinic acid (4.7g) through vacuum-drying.Methanol solution by adding sodium methylate (1 equivalent) also evaporates this solution, makes above-mentioned acid directly transform into its sodium salt.
Under the agitation condition, (2.7ml 50mmol) splashes in uncle-sodium butylate (2.5g, DMF(100ml 22.3mmol)) solution with Nitromethane 99Min..After interpolation finishes, continue down to stir 30 minutes in 0 ℃.The 4-fluoro-3.5-dimethyl benzene sulfinic acid sodium salt for preparing is in advance once all added, then add iodine (2.88g immediately; 11.3mmol).Remove cooling bath, restir mixture 3 hours with in the dense sodium sulfite aqueous solution adding reaction mixture its part being faded, is poured mixture in the water (500ml) then, uses the 2M hcl acidifying to pH1.Filter the solid of collecting precipitation, wash with water, use ethyl acetate (100ml) dissolving again, this solution washes with water earlier, again with salt washing, final drying (MgSO 4), evaporating solvent.Resulting faint yellow solid is through ethyl acetate/hexane (1: 10V/V, increase to 1 gradually: 5V/V) the MPLC purifying of wash-out, obtain the colorless solid (0.6g) of (4-fluoro-3.5-3,5-dimethylphenyl alkylsulfonyl) Nitromethane 99Min., mp131-132 ℃ (using the ethyl acetate/hexane recrystallization); Trace analysis is found: C, 43.7; H, 4.1; N, 5.6%; C 9H 10FNO 4Contain among the S: C, 43.7; H, 4.1; N, 5.7%.
Example 22-25
Adopt the similar approach of describing in the example 21, but from the suitable-sulfinic acid sodium (M=sodium) of general formula IV, make productive rate and be 4 to 12% formula I following compounds :-(table 2 sees that literary composition afterwards)
[ X XWith dichloromethane/hexane (1: MPLC purifying 1V/V)].
Adopt the similar approach of describing in the example 21, can make the-sulfinate of general formula IV from suitable SULPHURYL CHLORIDE, for example, the suitable combination thing sulfochlorination by general formula QH makes.
Example 26
(4-acetylamino phenyl alkylsulfonyl) Nitromethane 99Min. (is pressed J Het.Chem.1977; 14; 1415 described methods obtain) (10.0g; 38.8mmol) once all add in the boiling mixture of concentrated hydrochloric acid (20ml), water (100ml) and ethanol (40ml); backflow stirs the mixture until the limpid solution (about 20 minutes) of formation, and then continues to stir 5 minutes.The reaction mixture of heat is poured in a large amount of ice-refrigerative saturated solution of sodium bicarbonate, used ethyl acetate extraction again.With the extraction liquid that the salt water washing merges, dry (MgSO 4) and evaporate except that desolvating.Therefore obtain the faint yellow solid (5.2g, productive rate are 62%) of (4-aminophenyl alkylsulfonyl) Nitromethane 99Min., np132-133 ℃, trace analysis is found: C, 39.2; H, 3.8; N, 12.9%; C 7H 8N 2O 4Contain among the S: C, 38.9; H, 3.7; N, 12.95%.
Example 27
(0.96g 4.44mmol) is suspended in the ether (50ml) with (4-aminophenyl alkylsulfonyl) Nitromethane 99Min..Splash into the second formic anhydride (1.0g, 11.36mmol), and stirred reaction mixture 16 hours.Filter and collect white depositions,, make (4-formamido-phenyl sulfonyl) Nitromethane 99Min. (0.98g, productive rate are 90%) like this with ether (50ml) development, mp192-193 ℃ (using the aqueous methanol recrystallization), trace analysis is found: C, 39.3; H, 3.1; N, 11.4%; C 8H 8N 2O 5Contain among the S: C, 39.3; H, 3.3; N, 11.5%.
Example 28
In argon gas with (4-aminophenyl alkylsulfonyl) Nitromethane 99Min. (0.86g; 4mmol) be dissolved in the exsiccant tetrahydrofuran (THF) (20ml); add triethylamine (0.61g again; 6mmol); (0.62g 4.4mmol), stirred the mixture 2 hours then then to add Benzoyl chloride; remove by filter sedimentary triethylamine hydrochloride, filtrate concentrates in a vacuum.Resulting orange dichloromethane/ethyl acetate (9: 1V/V) behind the MPLC purifying of wash-out, obtain the solid of (4-benzamido phenyl sulfonyl) Nitromethane 99Min. (0.25g, productive rate are 20%), mp211-212 ℃; Trace analysis is found: C, 52.3; H, 3.7; N, 8.4%; C 14H 12N 2O 5Contain among the S: C, 52.5; H, 3.75; N, 8.75%.
Example 29-31
Adopt the similarity method of describing in the example 13, but originate in the suitable thioether of general formula VII, make following compounds:
(example 29):
[itself separates with oily matter, is using ethyl acetate/hexane (1: after MPLC purifying 10V/V), have satisfied NMR spectrum (200MHz, CDCl with (3-fluoro-phenyl sulfo-) Nitromethane 99Min. 3): 5.48(S, 2H), 7.0-7.43(m, 4 fragrant H)] make (3-fluorophenyl alkylsulfonyl) Nitromethane 99Min. solid, mp68-69 ℃ for raw material; [with ethyl acetate/hexane (1: behind MPLC purifying 10V/V)]; Trace analysis is found: C, 38.5; H, 2.76; N, 6.39%; C 7H 6FNO 4Contain among the S: C, 38.36; H, 2.8; N, 6.2%, productive rate is 12%;
[example 30]:
[itself is to separate with oily matter to Nitromethane 99Min. from (2-chloro-3-aminomethyl phenyl sulfo-), using ethyl acetate/hexane (1: behind MPLC purifying 10V/V), have gratifying NMR spectrum] begin, make the solid of (2-chloro-3-aminomethyl phenyl alkylsulfonyl) Nitromethane 99Min., mp95-97 ℃; [the usefulness ethyl acetate/hexane (1: behind MPLC purifying 10V/V)]; Trace analysis is found: C, 38.0; H, 3.2; N, 5.1%; C 8H 8ClNO 41/4H 2Contain among the O: C, 37.8, H, 3.4; N, 5.5%; Productive rate is 25%;
[example 31]:
By [4-(N, N-dipropyl sulfamyl) phenyl sulfo-] Nitromethane 99Min. [itself with solids constituent from, with ethyl acetate/hexane (1: behind MPLC purifying 10V/V), have gratifying NMR spectrum (200MHz, d 6DMSO): 0.7-0.9(t, 6H, 1.35-1.6(m, 6H), 2.95-3.1(t, 4H), 6.25(S, 2H), 7.6-7.8(m, 4 fragrant H)] as raw material, make the solid of [4-(N, N-dipropyl sulfamyl) phenyl sulfonyl] Nitromethane 99Min., mp103-104 ℃; [using the ethyl acetate/hexane recrystallization purifying]; Trace analysis is found: C, 43.2; H, 5.6; N, 7.5%; C 13H 20N 2O 6S 2In contain: C, 42.9; H, 5.5; N, 7.7%; Productive rate is 51%
Example 32
(40ml, (5.6g is in anhydrous tetrahydro furan 20mmol) (250ml) solution 62mmol) to splash into stirring (the 4-bromophenyl alkylsulfonyl) Nitromethane 99Min. (A) that remains under-65 to-70 ℃ with the butyllithium of 1.55M in argon gas.After interpolation finishes, mixture was stirred 20 minutes down in-70 ℃.Again mixture is poured in the hexane that contains solidified carbon dioxide, made temperature recovery to room temperature.To PH2, static 1 hour, use ethyl acetate extraction then with 2M hcl acidifying mixture.Extraction liquid is merged dry (MgSO 4), the evaporative removal solvent.Develop residue with ether, filter and collect the colorless solid that produces, thereby obtain (4-carboxyl-phenyl sulfonyl) Nitromethane 99Min. (0.28g), mp213-215 ℃.(using the ethyl acetate/hexane recrystallization); Trace analysis is found: C, 39.5; H, 2.9; N, 5.5%; C 8H 7NO 6Contain among the S: C, 39.2; H, 2.9; N, 5.7%.
Adopt the similar approach of describing in the example 3, by the solid of 4-bromobenzene-sulfinic acid sodium acquisition starting material (A), mp163-165 ℃ (using the ethyl acetate/hexane recrystallization).
Example 33
(0.33ml, (1.0g, 4mmol) in ice-salt bath in refrigerative methyl alcohol (12ml) solution, mixture at room temperature stirs 16 hours revaporization solvents 4.5mmol) to splash into (4-carbonyl phenyl alkylsulfonyl) Nitromethane 99Min. of stirring with thionyl chloride.The residue methylene dichloride, after increase gradually ethanol/methylene (1: 50V/V) the MPLC purifying of wash-out, thereby obtain (4-methoxycarbonyl phenyl sulfonyl) Nitromethane 99Min. (0.45g), mp106-108 ℃; Trace analysis is found: C, 418; H, 3.5; N, 5.2%; C 9H 9NO 6Contain among the S: C, 41.7; H, 3.5; N, 5.4%.
Example 34
With thionyl chloride (10ml, 13.7mmol) add (4-carboxyl phenyl alkylsulfonyl) Nitromethane 99Min. (1g, 4mmol) in, under agitation mixture refluxed 15 minutes.Add toluene (10ml) behind the evaporating solns.Gained solution is again through evaporation, and residual oily matter is dissolved in (10ml) in the chloroform.This solution is cooled to 0 ℃.The chloroformic solution of dimethylamine is splashed in the stirred mixture, extremely to there being excessive dimethylamine to exist.Evaporation after stirring the mixture 15 minutes.Residue is used ethyl acetate extraction after with the acidifying of 2M salt again.Extraction liquid drying (the MgSO that merges 4) after, evaporation removes and desolvates.Remaining pale yellow colored solid body and function re-crystallizing in ethyl acetate, thus mp144-146 ℃ of [4-(N, N formyl-dimethylamino phenyl sulfonyl)] Nitromethane 99Min. (0.4g) obtained; Trace analysis is found: C, 44.0; H, 4.4; N, 10.1%; C 10H 12N 2O 5Contain among the S: C, 44.1; H, 4.4; N, 10.3%.
Example 35
(0.1ml, (0.25g, in the solution of anhydrous tetrahydro furan 1mmol) (5ml), this mixture is stirred 2 hours 1mmol) to add (4-carboxyl phenyl alkylsulfonyl) Nitromethane 99Min. with borane-methyl-sulfide title complex.To PH1, use ethyl acetate extraction with 2M hcl acidifying mixture again.Extraction liquid drying (the MgSO that merges 4) after, revaporization removes and desolvates.Residue is through ethanol/methylene (1: 50V/V) behind the MPLC purifying of wash-out, obtain (4-hydroxymethyl phenyl sulfonyl) Nitromethane 99Min. (0.06g), mp73-75 ℃; Trace analysis is found: C, 41.6; H, 3.9; N, 5.8%; C 8H 9NO 5Contain among the S: C, 41.6; H, 3.9; N, 6.1%.
Example 36
Following 0 ℃ of argon gas with (4-formamido-phenyl sulfonyl) Nitromethane 99Min. (1.70g; 7.0mmol) be suspended in the exsiccant tetrahydrofuran (THF) (5.0ml); (1.75ml 17.5mmol) splashes into borane-methyl-sulfide title complex in more than 30 minutes time.Make reaction mixture drop to room temperature.With the careful acidifying mixture of 2M hydrochloric acid, use extracted with diethyl ether again three times.With the extraction liquid that the salt water washing merges, dry (MgSO 4) and evaporate except that desolvating.The yellow solid that obtained is with ethyl acetate/hexane (1: 1V/V) behind the MPLC purifying of wash-out, can obtain [4-(N-methylamino-phenyl sulfonyl)] solid of Nitromethane 99Min..(0.43g, productive rate 27%) mp123-124 ℃ [with ethyl acetate/hexane (1: 4V/V) recrystallization]; Trace analysis is found: C, 41.8; H, 4.2; N, 11.8%; C 8H 10N 2O 4Contain among the S: C, 41.7; H, 4.35; N, 12.1%.
Example 37
(0.76g, (1.08g in acetate 5mmol) (20ml) solution, after the intensive boiling is calmed down, is incubated 16 hours with mixture down in 60 ℃ 20mmol) to divide some parts of addings (4-aminophenyl alkylsulfonyl) Nitromethane 99Min. with sodium borohydride.Evaporation removes and desolvates.Crystallization residuum ethyl acetate/hexane (3: 10V/V) behind the MPLC purifying of wash-out, get an oily matter.This oily matter is developed with hexane, collects the solid that produces with filtration method.So just obtained [4-(N, N-diethylin phenyl alkylsulfonyl) Nitromethane 99Min. (0.37 gram), mp102-103 ℃; Trace analysis is found: C, 48.7; H, 5.9; N, 10.2%; C 11H 16N 2O 4Contain among the S: C, 48.5, H, 5.9; N, 10.3%.
Example 38
In argon gas with (4-aminophenyl alkylsulfonyl) Nitromethane 99Min. (1.62g 7.5mmol) is dissolved in the exsiccant tetrahydrofuran (THF) (35ml), add triethylamine (1.14g, 11.25mmol), add subsequently butyryl chloride (0.88g, 8.25mmol).Stirred the mixture 2 hours.Sedimentary triethylamine hydrochloride is removed with filtration method, concentrates under the filtrate vacuum.The brown oil that obtains with methylene chloride (99: 1V/V) the MPLC purifying of wash-out, thereby obtain solid mp155-156 ℃ of (4-amide-based small phenyl sulfonyl) Nitromethane 99Min. (0.16g, productive rate 7.5%); Trace analysis is found: C, 45.8; H, 4.8; N, 9.6%; C 11H 14N 2O 5Contain among the S: C, 46.1; H, 4.9; N, 9.8%.
Example 39
(1.7g 6.9mmol) adds in the thionyl chloride (17ml), and the gained mixture heating up refluxed 15 minutes, and the yellow solution evaporation of generation also adds exsiccant toluene (20ml) with (4-carboxyl phenyl alkylsulfonyl) Nitromethane 99Min..Mixture is after evaporation, and residual oily matter is dissolved in the diox (4ml) again.Stir down solution slowly is added to ice-cold ammonia solution (density, 0.91g/ml; 20ml).When interpolation finishes, under 0 ℃, stirred the mixture 30 minutes.Make mixture be acidified to pH2 by adding 2M hydrochloric acid, use ethyl acetate extraction again.Extraction liquid drying (the MgSO that merges 4) the back evaporating solvent.Solid residue ethanol/methylene (1: 20V/V, bring up to 1 gradually: 5V/V) behind the MPLC purifying of wash-out, can obtain (4-carboxyl amido phenyl alkylsulfonyl) (4-carboxamidophenylsulphonyl) Nitromethane 99Min. (0.5g, mp174-176 ℃; Trace analysis is found: C, 39.5; H, 3.2; N, 11.0%; C 8H 8N 2O 5Contain among the S: C, 39.3; H, 3.3; N, 11.5%.
Example 40
With phosphoryl chloride (5ml) add (4-carboxyl amido phenyl alkylsulfonyl) Nitromethane 99Min. (0.75g, 3mmol) in, made the stirred mixture reflux 40 minutes.Make the mixture cooling again, excessive phosphoryl chloride is removed by evaporation.On the rocks in the residue, make mixture temperature reduce to room temperature.Use the ethyl acetate extraction mixture, dry again (MgSO 4) extraction liquid that merges.Can obtain (4-cyano-phenyl-alkylsulfonyl) Nitromethane 99Min. (0.5g) after the solvent evaporation, mp158-160 ℃ (behind the ethyl acetate/hexane recrystallization); Trace analysis is found C, 42.5; H, 2.7; N, 11.9%; C 8H 6N 2O 4Contain among the S: C, 42.5; H, 2.7; N, 12.4%.
Example 41
Make the similar approach of describing in the use-case 21, [itself is by J.C.S. with 4-methyl thio phenyl-sulfinic acid, 1948, the described acquisition of 604-605] make the solid of (4-methyl thio-phenyl alkylsulfonyl) Nitromethane 99Min. for raw material, mp98-100 ℃ (behind the ethyl acetate/hexane recrystallization), trace analysis is found: C, 39.3; H, 3.6; N, 5.5%; C 8H 9NO 4S 2In contain: C, 38.9; H, 3.6; N, 5.7%, productive rate is 7%.
Example 42
With mistake-vitriolate of tartar [" Oxone " (trade mark); 4.17g, 6.75mmol] water (12.5ml) solution once all add vigorous stirring (4-hydroxy phenyl sulfo-) Nitromethane 99Min. (A) (850mg, 4.58mmol) 1, in 2-glycol dimethyl ether (25ml) solution.Stir this mixture overnight.Mixture is added in the entry (400ml), use ethyl acetate extraction.With the extraction liquid that the salt water washing merges, dry (MgSO 4), the revaporization solvent.After residual solid is used the chloroform recrystallization, can obtain the white solid (373mg) of (4-hydroxy phenyl alkylsulfonyl) Nitromethane 99Min., mp93-95 ℃, trace analysis is found: C, 38.7; H, 3.2; N, 6.2%; C 7H 7NO 5Contain bright among the S: C, 38.7; H, 3.2; N, 6.45%.
The method that makes starting material is as follows:
With (4-hydroxy phenyl sulfo-) acetate (by No. 818783 described making of English Patent) (0.5g, 2.72mmol) the solution of anhydrous tetrahydro furan (20ml) splash under the nitrogen atmosphere, (5.35ml is 8.56mmol) and in the stirring the mixture of anhydrous tetrahydro furan (20ml) to keep the hexane of-40 to-45 ℃ 1.6M butyllithium.When interpolation finished, this mixture stirred one hour down at-40 ℃.Make mixture 0 ℃ of insulation down then, be cooled to-40 ℃ again.(1.08g 8.12mmol) once all adds with isoamyl nitrate.Stirred reaction mixture also makes temperature bring up to ambient temperature overnight.After with the hydrochloric acid of 1.6M mixture being acidified to pH2, restir 1 hour.After adding entry (250ml), use ethyl acetate extraction.With the extract that the phase separation filter paper filtering merges, revaporization solvent.
Residue silica gel chromatography purifying, with ethanol/methylene (1: 100V/V) wash-out, just can make the oily matter of (4-hydroxy phenyl sulfo-) Nitromethane 99Min. (A), crystallizable (61mg), NMR composes (200MHz, CDCl 3): 5.35(S, 2H), and 6.8(m, 2 fragrant H), 7.42(m, 2 fragrant H).
Example 43
(solution of 30ml3%W/V, (1g is in acetate 4mmol) (30ml) stirred solution 5.7mmol) once all to add (4-methyl thio-phenyl alkylsulfonyl) Nitromethane 99Min. with potassium permanganate solution.Restir mixture 30 minutes, water (100ml) dilute and decolour with sodium sulfite solution.The solid collected by filtration throw out washes the back dry air with water, can make (4-methyl sulphonyl phenyl sulfonyl) Nitromethane 99Min. (0.76g), mp220-221 ℃ (behind the ethyl acetate/hexane recrystallization); Trace analysis is found: C, 34.4; H, 3.2; N, 4.8%; C 8H 9NO 6S 2In contain: C, 34.4; H, 3.2; N, 5.0%.
Example 44
Under 0 ℃ with mistake-vitriolate of tartar [trade mark " Oxone "); 0.86g, 1.4mmol] water (10ml) solution once all add vigorous stirring (4-methyl thio-phenyl alkylsulfonyl) Nitromethane 99Min. (0.54g, 1.18mmol) 1, in 2-glycol dimethyl ether (10ml) solution.Under 0 ℃, stirred the mixture 30 minutes, then dilute with water.The solid collected by filtration throw out washes dry air again with water.Can make the solid (0.24g) of (4-methyl sulfinyl phenyl sulfonyl) Nitromethane 99Min., mp145-146 ℃ (using the ethyl acetate/hexane recrystallization); Trace analysis is found: C, 36.7; H, 3.4; N, 5.0%; C 8H 9NO 5S 2In contain: C, 36.5; H, 3.4; N, 5.3%.
Example 45
Adopt the similarity method of describing in the example 13, [itself is being used ethyl acetate/hexane (1: 20V/V) behind the MPLC purifying of wash-out, separate obtaining oily matter by (3,4-methylenedioxyphenyl sulfo-) Nitromethane 99Min. (A), have good NMR spectrum (200MHz, CDCl 3): 6.2-7.1(m, 3H), 6.0(S, 2H), 5.35(S, 2H)] make (3,4-methylenedioxyphenyl alkylsulfonyl] solid of Nitromethane 99Min., mp131-132 ℃ [with ethyl acetate/hexane (1: MPLC purifying 10V/V); Trace analysis is found: C, 39.2; H, 2.9; N, 5.7%; C 8H 7NO 6Contain among the S: C, 39.2; H, 2.9; N, 5.7%; Productive rate is 3.6%.
Initial thioether (A) itself is the similar approach that adopts example 13 to describe, and from 3,4-methylenedioxyphenyl thioacetic acid makes, and its method is as follows:
(ⅰ) (45g, (20.3g is in anhydrous acetic acid 290mmol) (600ml) solution 139mmol) to divide the chlorine that some parts are added to stirring with plumbous rhodanate in argon gas.Stirred this mixture 15 minutes.Once add 1, and the 2-methylenedioxybenzenes (35g, 286mmol).1 hour after-filtration stirs the mixture.Filtrate is added in the ice-water (3.5 liters).Filter the solid of collecting precipitation, with the dry again (MgSO of acetic acid ethyl dissolution 4).Evaporation can make 3, the light green oily matter of 4-methylenedioxyphenyl thiocyanic ester (40.3g, productive rate are 79%) after removing and desolvating.Solidified oil can use and need not be further purified or identify.
(ⅱ) in argon atmospher, in 10 minutes, with sodium borohydride (8.4g, 220mmol) divide some parts to be added to 3 of stirring, (35.9g is in ethanol 200mmol) (1.06 liters) solution for 4-methylenedioxyphenyl thiocyanic ester, this mixture restir 10 minutes, reflux is 10 minutes afterwards.Make mixture be cooled to room temperature.With the time that surpasses 1 minute; Ethanol (250ml) solution of sodium hydroxide (13g) is added in the stirred mixture, add subsequently sodium chloroacetate (23.3g, 200mmol).Stirred the mixture 16 hours.Behind 2M hcl acidifying mixture, use ethyl acetate extraction.Saturated aqueous solution with sodium bicarbonate extracts the extraction liquid that merges again.Aqueous extract is used ethyl acetate extraction after using the 2M hcl acidifying again.With the extraction liquid drying (MgSO that merges 4), evaporation makes 3 except that desolvating, 4-methylenedioxyphenyl thioacetic acid colorless solid (18g, productive rate 42%), and NMR composes (200MHz, CDCl 3): 3.57(S, 2H), 5.98(S, 2H), and 6.7-7.1(m, 3 fragrant H), 9.81(S, 1H).
Example 46
Adopt the similarity method of describing in the example 20, different is to carry out 5 minutes oxidizing reactions under the greenhouse, [itself is made by (3-chloro-2-aminomethyl phenyl sulfo-) Nitromethane 99Min. (A) from (3-chloro-2-aminomethyl phenyl sulfinyl) Nitromethane 99Min., adopt the similar approach described in the example 20] make the solid of (3-chloro-2-aminomethyl phenyl alkylsulfonyl) Nitromethane 99Min., mp78-79 ℃, productive rate is 19%; Trace analysis is found: C, 38.5; H, 3.2; N, 5.3%; C 8H 8ClNO 4Contain among the S: C, 38.5; H, 3.2; N, 5.6%.
Thioacetic acid makes initial thioether (A) by (3-chloro-2-aminomethyl phenyl), and itself is made by 3-chloro-2-methylbenzene mercaptan, and both all adopt the similar approach of describing in the example 13.
Example 47
Adopt the similarity method of describing in the example 13, different is 60 ℃ of following oxidations 6 hours and uses 1, and the 2-glycol dimethyl ether replaces methyl alcohol.With (4-Phenoxyphenyl sulfo-) Nitromethane 99Min. (A) is that [itself is being used silica gel (Merck KieselgelArt.9385) flash chromatography to raw material, with ether/hexane (1: 4V/V) be the elutriant purifying after, isolate oily matter, have satisfied NMR spectrum (200MHz, CDCl 3): 5.38(S, 2H), 6.93-7.33(m, 9 fragrant H)] make (4-Phenoxyphenyl alkylsulfonyl) Nitromethane 99Min. solid, mp118-120 ℃; Trace analysis is found: C, 53.4; H, 3.8; N, 4.7%; C 13H 11NO 5Contain among the S: C, 53.2; H, 3.8; N, 4.8%; [behind the toluene recrystallization purifying]; Productive rate is 38%.
Initial thioether (A) is made by corresponding thioacetic acid, uses the method similar with example 13, and it is as follows to make method:
(30g 162mmol) divides in water (480ml) solution of the 98%W/V sulfuric acid (93ml) that some parts are added to stirring with the 4-phenoxybenzamine.Mixture was heated 30 minutes down in 80 ℃, be cooled to 0-5 ℃ afterwards.(13.5g, water 196mmol) (60ml) solution stir mixture 45 minutes in 0 ℃ to splash into Sodium Nitrite again.Excessive nitrous acid destroys with thionamic acid.Under 0 ℃, solution is added to the 2-Thiovanic acid, and (14.7ml, 211mmol), (10.8g is 49mmol) and in the stirring the mixture of acetone (180ml) for ventilation breather.Mixture is incubated under room temperature.Adding ethyl acetate (200ml) after 1 hour refilters and removes insoluble material.Filtrate is used ethyl acetate extraction.Extract the extraction liquid that merges with saturated sodium hydrogen carbonate solution.The aqueous extract that adds the merging of 2M hcl acidifying is used ethyl acetate extraction again to pH2.Extraction liquid after drying (MgSO with salt water washing merging 4).After solvent is evaporated, with ethyl acetate/dichloromethane (1: the 1V/V) silica gel of wash-out (Merck Kieselgel Art9385) flash chromatography purifying] can make the thiacetic oily matter of 4-Phenoxyphenyl (12.3g), it has satisfied NMR spectrum (200MHz, CDCl 3); 3.61(S, 2H), 6.93-7.46(m, 9 fragrant H).
Example 48
Make the similarity method of describing in the use-case 13, make (4-methoxyl group-1-naphthyl alkylsulfonyl) Nitromethane 99Min. white solid, mp109-110 ℃ (after recrystallizing methanol); Trace analysis is found: C, 51.1; H, 3.9; N, 4.9%; C 12H 11NO 5Contain among the S: C, 51.3; H, 3.9; N, 5.0%, productive rate is 21%, the raw material that uses is (4-methoxyl group-1-naphthyl sulfo-) Nitromethane 99Min. (itself separates with oily matter), adopt the similar approach described in the example 13, and be raw material with 4-methoxyl group-1-naphthyl thioacetic acid, the method that obtains itself is as follows:
(ⅰ) under 0 ℃, the methyl acetate (150ml) of thiocyanogen (69.6mmol) (is pressed people such as YTamura at Tetrahedron Letters, making described in 1977,4417) solution is added to the 1-methoxynaphthalene (10.92g is in methyl acetate 69.3mmol) (80ml) solution.Under room temperature, resulting yellow solution was stirred 16 hours again.Add saturated solution of sodium bicarbonate (100ml), the mixture diatomite filtration.Separate organic phase, dry (Na 2SO 4).Can make the white solid (7.5g) of 4-methoxyl group-1-naphthyl thiocyanic ester (A) behind the evaporating solvent, mp100-102 ℃ [with sherwood oil (bp80-100 ℃) recrystallization].
(ⅱ) (1.7 grams 45mmol) are added to A(7.5g, in the aaerosol solution of the ethanol of 34.9mmol (150ml) with sodium borohydride.Argon gas is by this mixture.Mixture stirred after 30 minutes, again 80 ℃ of heating 30 minutes, with potassium hydroxide (5.04g, ethanol 90mmol) (60ml) solution is added in the stirred mixture, add subsequently Mono Chloro Acetic Acid (4.25g, 450mmol).After stirring the mixture 30 minutes, heated 30 minutes down in 80 ℃ again.Make the reaction mixture cooling, be added to then (1 liter) in the water, use extracted with diethyl ether again.Water to pH2, is used ethyl acetate extraction, the extraction liquid drying (Na of merging with the 2M hcl acidifying 2SO 4) and evaporate except that after desolvating, can make 4-methoxyl group-1-naphthyl thioacetic acid (5.38g), mp114-1151, [the usefulness ethanol/water (1: 1V/V) recrystallization].
Example 49-51
Adopt the similarity method of describing in the example 3, obtain productive rate and be 1-27%'s and the following generalformula of good results of elemental analyses and NMR spectrum arranged :-(table 3 is seen the literary composition back)
[ X XThis compound is that use-case 9 described similar approach are made by acidified reaction mixture].
Employing is similar to example 3 described methods and prepares the necessary-sulfinic acid sodium of general formula IV.Yet the-sulfinate starting material of example 51 is by example 8 described making.
The initial SULPHURYL CHLORIDE that needs is promptly available, also can produce by the general method of prior art, as reference example 4-12.The SULPHURYL CHLORIDE of example 51 is by Helvetica Chimica Acta1956,39, and the illustrated method of 1579-1586 makes.
Example 52
With acetic acid solution (32Wt%, 4ml 19mmol) splash into the 9-phenanthryl sulfo-that the stirs effectively) Nitromethane 99Min. (A) of peracetic acid, (1g is in the chloroform of 3.7mmol (50ml) solution.Mixture stirs water (20ml) dilution after 20 hours.Separate the solution washing that organic phase is also used sodium metabisulfite.Use the salt water washing again, dry (Na 2SO 4).Evaporation obtains yellow solid after removing and desolvating.With silica gel (Merck kieselgel Art.7736) flash chromatography purifying, just can make the white crystalline solid (180mg, productive rate 16%) of (9-phenanthryl alkylsulfonyl) Nitromethane 99Min., mp165-166 ℃ (using the toluene recrystallization) with the toluene wash-out; Trace analysis is found: C, 59.7; H, 3.7; N, 4.6%; C 15H 11NO 4Contain among the S: C, 59.8; H, 3.7; N, 4.7%.
Initial thioether (A) makes with solid form itself, mp85-86 ℃ (with hexamethylene ring recrystallization); Trace analysis is found: C, 67.3; H, 4.2; N, 5.0%; C 15H 11NO 2Contain C among the S, 66.9; H, 4.1; N, 5.2%; Employing is similar in the example 13 method of describing, and raw materials used is 9-phenanthryl thioacetic acid, itself be by people such as Wynberg at JACS1967, method makes described in 89,3487.
Example 53
Adopt the similarity method of describing in the example 42; with [3-(1-hydroxyethyl) phenyl sulfo-] Nitromethane 99Min. (A) is the oily matter that raw material makes [3-(1-hydroxyethyl) phenyl sulfonyl] Nitromethane 99Min.; productive rate 87%[ethyl acetate/toluene (1: 10V/V) behind the silica gel chromatography purifying of wash-out]; have good NMR spectrum (200MHz, CDCl 3): 1.51(d, 3H), 2.43(S, 1H), 5.00(q, 1H), 5.64(S, 2H), and 7.55-8.00(m, 4 fragrant H), mass spectrum (chemi-ionization effect) m/e263(M+NH 4) +
Adopt method similar and described in the example 42, the thioether that makes (A) oily matter is to use the 3-(1-hydroxyethyl) the phenyl thioacetic acid makes raw material, itself is by the 1-(3-aminophenyl) ethanol, adopt to be similar to the white solid that the method described in the example 47 makes, mp83-84 ℃.
Example 54
Will [the 3-(1-hydroxyethyl) phenyl sulfonyl] (1.10g, (1.45g is in methylene dichloride 6.7mmol) (10ml) suspension for the pyridinium chlorochromate of the solution adding vigorous stirring of methylene dichloride 4.5mmol) (10ml) for Nitromethane 99Min..Mixture stirred 2 hours.Add ethyl acetate (100ml) back decantation solvent.Wash black residue twice with ethyl acetate.The solution of extract and decantation merges, and recycle silicon acid magnesium [" Florisil " (trade mark)] filters.Evaporating solvent.Residual yellow solid can make mp99-100 ℃ of (3-acetyl phenyl sulfonyl) Nitromethane 99Min. solid (0.67g) after using the toluene recrystallization, and trace analysis is found: C, 44.7; H, 3.8; N, 5.7; C 9H 9NO 5Contain among the S: C, 44.4; H, 3.7; N, 5.8%.
Example 55
Adopt the similar approach of describing in the example 20, obtained the solid of (pentamethyl-phenyl alkylsulfonyl) Nitromethane 99Min., mp146-147 ℃; [the usefulness dichloromethane/hexane (2: MPLC purifying 1V/V)], trace analysis is found: C, 53.4; H, 6.5; N, 5.2%; C 12H 17O 4N 5Contain among the S: C, 53.1; H, 6.3; N, 5.2%; Productive rate is 10.5%, raw material be (pentamethyl-phenyl sulfinyl) Nitromethane 99Min. [itself with behind the ethyl acetate/hexane recrystallization with solids constituent from, have good NMR spectrum (200MHz, CDCl 3); 2.15-2.25(m, 9H), 2.5-2.63(m, 6H), 5.35-5.83(q, 2H)].Productive rate is 79%, starts from (pentamethyl-phenyl sulfo-) Nitromethane 99Min. (A)].Thioether (A) starts from pentamethyl-phenyl thioacetic acid, and is separated with the oily body.Have good NMR spectrum (200MHz, CDCl 3); 2.1-2.2(S, 9H), 2.4-2.5(m, 6H), and 5.55(S, 2H), [with behind the silica gel chromatography purifying of hexane] adopts the example 13 described methods that are similar to.
It is as follows that the necessary thioacetic acid of general formula VII makes method:
Under argon atmospher, the solution of the ether (235ml) of 1M lithium aluminium hydride is splashed into the pentamethylbenzene SULPHURYL CHLORIDE of stirring, and (25g is in the solution of anhydrous diethyl ether 101.4mmol) (300ml).When interpolation finished, with reaction mixture reflux 4 hours, postcooling was to room temperature.Drip water and stop to discharge until gas, sulfuric acid (150ml) aqueous solution of adding 10% is with the dissolving lithium salts.Add toluene (200ml), separate organic phase, water, salt water washing, dry again (MgSO 4).Stir add down 1N sodium hydroxide (101.4ml, 101.4mmol) solution, add subsequently sodium chloroacetate (11.8g, 101.4mmol).Stirred the mixture 24 hours.Again reaction mixture is poured in the water into (1 liter) and used the 2M hcl acidifying.Aqueous solution ethyl acetate extraction, extraction liquid merges, water, salt water washing, dry again (MgSO 4).After removing and desolvate, evaporation obtains the cream-colored solid (16g) of pentamethyl-phenyl thioacetic acid; Trace analysis is found: C, 65.5; H, 7.6%; C 13H 18O 2Contain among the S: C, 65.55; H, 7.56%.
Example 56
Under 0 ℃ with m-chloro peroxybenzoic acid (80-85%; 1.27g) some parts of addings of branch 2-methyl-2-[4-(nitro methyl sulfo-s) phenyl] 1, in 3-dioxolane (A) chloroform (10ml) solution (2.7g).3 hours after-filtration of mixture, limpid filtrate is with 20% sodium metabisulfite (2 * 15ml) solution washings.Dry organic phase and evaporation remove to desolvate and obtain white solid.This solid is dissolved in ethanol (5ml), adds 2M hydrochloric acid (2ml) again.Solution stirring concentrated under vacuum after 3 hours.(2 * 10ml) extractions merge solvent and evaporate to remove and desolvate with chloroform behind the residue dilute with water.Resulting white solid through ethyl acetate/hexane (1: 4V/V) behind the silica gel chromatography purifying of wash-out, can make (4-acetyl phenyl sulfonyl) Nitromethane 99Min. solid (180mg), mp94-95 ℃ [with methanol (2: 1V/V) recrystallization]; Trace analysis is found: C, 44.8; H, 3.7; N, 5.3%; C 9H 9NO 5Contain among the S: C, 44.4; H, 3.7; N, 5.8%.
The method that makes starting material (A) is as follows:
(ⅰ) with 4-acetylphenyl thioacetic acid (8.4g; 40mmol) (press Walker and Leib at J.Org.Chem1963; 28; the method of describing among the 3077-3082 makes), 1; 2-ethylidene glycol (4.96g; 80mmol) and benzene (80ml) solution of the p-toluenesulphonic acids of catalytic amount reflux 16 hours on Dean and Stark device, collect water (1.5ml, 80mmol).Evaporation obtains oily matter except that desolvating.Add ethanol (30ml) and 2N sodium hydroxide (1 equivalent), mixture stirred 1 hour, concentrated under vacuum.It is 80ml that residue is diluted with water to volume.Add ether (50ml), mixture cools off vigorous stirring in ice.Adding 10% aqueous citric acid solution makes pH reach 6.5.(20 * 50ml) extract this mixture with ether.Evaporation removes and desolvates behind the dry extract that merges, and can obtain a kind of white solid, adds water in solid, the restir mixture.Solid collected by filtration and vacuum-drying on Vanadium Pentoxide in FLAKES.Obtain the 4-(2-methyl isophthalic acid, 3-dioxolane-2-yl) solid (5.2g, productive rate are 51%) of phenyl thioacetic acid (B); NMR composes (200MHz, d 6DMSO): 1.49(S, 3H), 3.62(m, 2H), 3.72(S, 2H), 3.9(m, 2H), 7.25(m, 4H).
(ⅱ) in-70 ℃ argon gas, by hexane (9.23ml with the 1.6M butyllithium, 15mmol) solution is added to Diisopropylamine (2.07ml, in the stirred solution of dry tetrahydrofuran 15mmol) (10ml) and prepare the solution of LDA, this solution is put-70 ℃ and was kept 30 minutes.Keeping splashing into B(1.5g, tetrahydrofuran solution 5.9mmol) under-70 ℃ of temperature.This mixture place-70 ℃ 1 hour.Heat afterwards to-40 ℃.(2.37ml, 17.7mmol), mixture kept 1 hour on this temperature again, was warming up to room temperature with the time chien shih mixture more than 90 minutes then to add down slowly isoamyl nitrates at-40 ℃.Reaction mixture is poured in the stirring the mixture of ether (150ml) and water (150ml).Carefully add 10% aqueous citric acid solution so that after pH reaches 6.5 to 7.0,1 hours, separate the ether phase, dry (Na 2SO 4), revaporization removes and desolvates, and obtains 2-methyl-2-[4-(nitro methyl sulfo-) phenyl]-1,3-dioxolane (A) oily matter (2.7g), it has good NMR spectrum.
Example 57
Adopt the similar approach of describing in the example 13, make (2-isopropyl phenyl alkylsulfonyl) Nitromethane 99Min. solid, mp113-114 ℃, productive rate is 28%; [with the MPLC purifying of methylene dichloride]; Trace analysis is found: C, 49.3; H, 5.3; N, 5.8%; C 10H 13NO 4Contain among the S: C, 49.4; H, 5.4; N, 5.8%; Initiator is that [itself separates as oily matter with behind the MPLC purifying of methylene dichloride (2-isopropyl phenyl sulfo-) Nitromethane 99Min., has good NMR spectrum (200MHz, CDCl 3): 1.25(d, 6H), 3.57(Septet, 1H), 5.41(S, 1H) 7.11-7.50(m, 4 fragrant H)].Initial thioether itself makes with 2-isopropyl phenyl thioacetic acid, and this organic acid is obtained by 2-isopropyl benzene mercaptan, and both all adopt the similar approach described in the example 13.
Example 58
Adopt the similarity method of describing in the example 20, make the solid of (2,3,5,6-tetrafluoro phenyl sulfonyl) Nitromethane 99Min., mp86-87 ℃; [the usefulness ethyl acetate/hexane (1: silica gel chromatography purifying 7V/V)]; Trace analysis is found: C, 31.1; H, 1.2; N, 5.0%; C 7H 3F 4NO 4Contain among the S: C, 30.8; H, 1.1; N, 5.1%; Productive rate 19%, starting material are (2,3,5,6-tetrafluoro phenyl sulfinyl) Nitromethane 99Min., itself be with the crystalline solids constituent from, mp116-117 ℃; [developing purifying] with hexane; Trace analysis is found: C, 33.0; H, 1.3; N, 5.2%; C 7H 3F 4NO 3Contain among the S: C, 32.7; H, 1.2; N, 5.4%; Productive rate is 63%; Starting material is (2,3,5,6-tetrafluoro phenyl sulfo-) Nitromethane 99Min. (A).
Initial thioether oily body is with 2,3,5, and 6-tetrafluoro phenyl thioacetic acid makes as raw material, and it has good NMR spectrum (200MHz, CDCl 3): 5.46(S, 2H), and 7.11-7.30(m, 1H), and above-mentioned acetogenin is with 2,3,5, and 6-tetra fluoro benzene mercaptan is raw material, and both all adopt the method that is similar to described in the example 13.
Example 59
Use is similar to the method described in the example 20,, makes (7-chloro-1-naphthyl alkylsulfonyl) Nitromethane 99Min. solid behind the re-crystallizing in ethyl acetate purifying, mp136-138 ℃, good NMR spectrum (200MHz, CDCl is arranged 3, 5.76(S, 2H), 7.65(d; 1H), 7.67(d, 1H); 7.99(d, 1H), 8.24(d; 1H), 8.39(d, 1H); 8.64(S 1H), productive rate is 27%; starting material is that [itself is behind the ethyl acetate/hexane recrystallization purifying, and isolating solid has good NMR spectrum (200MHZ, d for (7-chloro-1-naphthyl sulfinyl) Nitromethane 99Min. 6-DMSO) 5.97(d, 1H), 6.26(d, 1H), 7.65-8.33(m, 6 fragrant H); Productive rate is 35%, and starting material is (7-chloro-1-naphthyl sulfo-) Nitromethane 99Min. (A).Initial thioether (A) be adopt the oily matter be similar to example 13 described methods and make [with ethyl acetate/hexane (1: behind MPLC purifying 10V/V)], originate in 7-chloro-1-naphthyl thioacetic acid.
Example 60
Hereinafter will explain the treatment that is used for the people or prevent the representational drug dose type that contains a kind of compound of general formula 1; or its non-toxic salt [hereinafter claiming " compounds X "]; [for example; above illustrational a kind of new compound or known compound (4-bromo-phenyl sulfonyl) Nitromethane 99Min., or its non-toxic salt] :-
(a) tablet I mg/ sheet
Compound X 100
Lactose PhEur 182.75
Croscarmellose sodium 12.0
Corn starch paste (5%W/V paste) 2.25
Magnesium Stearate 3.0
(b) tablet II mg/ sheet
Compound X 50
Lactose PhEur 223.75
Croscarmellose sodium 6.0
W-Gum 15.0
Polyvinylpyrrolidone (5%W/V paste) 2.25
Magnesium Stearate 3.0
(c) tablet III mg/ sheet
Compound X 1.0
Lactose PhEur 93.25
Croscarmellose sodium 4.0
Corn starch paste (5%W/V paste) 0.75
Magnesium Stearate 1.0
(d) capsule mg/ capsule
Compound X 10
Lactose PhEur 488.5
Magnesium Stearate 1.5
(e) injection I (50mg/ml)
Compound X 5.0%W/V
1M sodium hydroxide solution 15.0%V/V
0.1M hydrochloric acid (regulating pH to 7.6)
Poly(oxyethylene glycol) 400 4.5%W/V
Water for injection to 100%
(f) injection II (10mg/ml)
Compound X 1.0%W/V
Sodium phosphate EP 3.6%W/V
0.1M sodium hydroxide solution 15.0%V/V
Water for injection to 100%
(g) injection III (1mg/ml is buffered to pH6)
Compound X 0.1%W/V
Sodium phosphate BP 2.26%W/V
Citric acid 0.38%W/V
Poly(oxyethylene glycol) 400 3.5%W/V
Water for injection to 100%
Annotate
Can obtain above-mentioned prescription by known ordinary method in the pharmaceutical technology.For a kind of dressing of Cellacefate is provided, the available ordinary method of tablet (a)-(e) is enteric coated.
Chemical general formula
Ⅰ Q·SO 2·CH 2·NO 2
Ⅱ X·Q·SO 2·CH 2·NO 2
Ⅳ Q·SO - 2M +
Ⅴ Q·SO 2·CH 3
Ⅵ Q·S·CH 3
Ⅶ Q·S·CH 2·NO 2
Ⅷ Q·SH
Ⅸ Q·S·CH 2CO 2H
Ⅺ Q·S·CH(NO 2)·CO 2H
Table 1
Mp(℃ of embodiment Q) recrystallization liquor (S)
43,5-two (trifluoromethyl) phenyl 76-78 hexane
5 4-Trifluoromethoxyphen-l 110-112 toluene/hexane
6 3-chloro-phenyl-67-69 toluene/hexane
73,4-dichlorophenyl 92-94 methyl alcohol
8 3-aminomethyl phenyl 67-69 ethanol
9 X2-aminomethyl phenyl 47-49 toluene/hexane
10 4-hexyl phenyl 95-97 ethanol
11 4-butoxy phenyl 84-86 methyl alcohol
12 X X4-benzyloxy phenyl 115-117 ethyl acetate
Table 2
Mp(℃ of example Q) recrystallization liquor (S)
22 4-p-methoxy-phenyl 84-85 ethyl acetate/hexane
23 3-acetylaminohydroxyphenylarsonic acid 4-p-methoxy-phenyl 181-182 ethyl acetate/hexanols
24 4-acetylaminohydroxyphenylarsonic acids 2,5-3,5-dimethylphenyl 185-186 ethyl acetate/hexane
25 2,5-3,5-dimethylphenyl 55-56 X X
Table 3
Example mp ℃ of recrystallization liquor of Q (S)
49 4-propyl group phenyl 92-94 ethanol
50 X X3-chloro-4-fluorophenyl 57-60 toluene/hexane
51 4-allyloxy phenyl 88-90 ethanol

Claims (6)

1, a kind of structure is QSO 2CH 2NO 2The formula I Nitromethane 99Min. or the preparation method of its non-toxic salt; Q is 6 in the formula; the aromatics part of 10 or 14 carbon atoms; can randomly have 1; 2 or 3 substituting groups, these substituting groups are independently from each other: hydrogen; halogen; cyano group; nitro; hydroxyl; carboxyl; amino; the alkylamino of 6 carbon atoms or dialkyl amido at the most; (1-6C) alkanoylamino; (1-6C) alkyloyl; (1-6C) alkyl; (2-6C) thiazolinyl; (3-6) alkene oxygen base; fluoro (1-4C) alkyl; (1-6C) alkoxyl group; fluoro (1-4C) alkoxyl group; hydroxyl (1-6C) alkyl; (1-4C) alkoxyl group (1-4C) alkyl; formamyl; the alkyl of 7 carbon atoms or dialkyl amido formyl radical at the most; sulfamyl; the alkyl of six carbon atom or dialkyl sulfamine at the most; (1-6C) carbalkoxy; (1-4C) alkylenedioxy group; (1-6C) alkane sulfonamido; (1-6C) alkyl S (O) n-[n is zero, 1 or 2 in the formula], phenyl, phenoxy group, benzyloxy, benzyloxycarbonyl, benzamido and phenylsulfonamido, the part of last six group benzene can randomly have halogen, (1-4C) alkyl or (1-4C) alkoxy substituent; Or Q has 4 or 5 and is independently from each other halogen, cyano group, (1-6C) alkyl or (1-6C) substituting group of alkoxyl group; But do not comprise that Q is that unsubstituted phenyl and Q are compound and the alkaline metal salts thereof that has the phenyl of 4-fluorine, 4-chlorine, 4-bromine, 4-methyl, 4-vinyl, 4-kharophen or 2-carboxyl substituent; It is characterized in that:
A) have basic metal (1-6C) alkoxide in the presence of, general formula is QSO - 2M +(M in the formula +Be alkali metal cation) basic metal-sulfinate (IV) and Nitromethane 99Min. and Iod R;
B) general formula QSO is being arranged in the presence of the highly basic 2CH 3Sulfone (V) and the reaction of (1-5C) alkyl nitrate ester selected;
C) the oxidation general formula is QSCH 2NO 2Thioether (VII); Or
D) remove the protecting group of generalformula, the Q of this compound has hydroxyl, amino, ketone group or the carboxyl of having been protected by the appropriate protection base;
Then, go up the desired character of substituting group, randomly carry out a kind of mutual conversion of following functional group according to Q:
(1) when needs alkanoylamino or benzamido, having in the presence of the alkali, make amino and acylating agent on the Q, as alkane acyl chlorides or Benzoyl chloride, or blended alkanoic acid anhydride or benzoyl oxide reaction:
(2) when needs are amino, with the alkanoylamino on the Q by with strong acid or highly basic reaction hydrolysis;
(3) when needs carboxylic acid ester groups or amido, having in the presence of the suitable comprehensive agent, make carboxyl (or corresponding carbonyl chlorine or carbonyl bromine) and suitable alkanol, phenylcarbinol or amine condensation on the Q;
(4) when the needs carboxyl, make bromine or sulfo group group and lithiumation agent reaction on the Q, subsequently with carbon dioxide reaction;
(5) when the needs methylamino, make formamido group and appropriate reductant reaction on the Q;
(6) when the needs methylol, make carboxyl (or corresponding alkyl or benzyl esters) and appropriate reductant reaction on the Q;
(7) when needs cyano group, make formamyl and the reaction of suitable dewatering agent on the Q;
(8) when needs alkyl sulphinyl or alkyl sulphonyl, make methylthio group (or when the needs alkyl sulphonyl, making methylsulfinyl) and suitable oxidant reaction;
(9) when the needs ketone group, make Q go up corresponding hydroxyalkyl and suitable oxidant reaction; Or
(10) when needs alkylamino or dialkyl amido, make the amino reductive alkylation on the Q;
Then, when the needs non-toxic salt, make the compound and appropriate base reaction of described formula I with non-toxic cation, and, when Q contains alkaline alkyl amino or dialkyl amido and needs the non-toxic acid additive salt, make described generalformula and appropriate acid reaction with innoxious negative ion.
2, a kind of method according to claim 1, wherein Q is in starting raw material:
A) have the phenyl of independent 4 bit substituents, this substituting group is selected from iodine, hydroxyl, amino, methylamino-, diethylin, cyano group, formamyl, hydroxyl, methoxycarbonyl, methylol, 1-hydroxyethyl, ethanoyl, ethyl, propyl group, sec.-propyl, the tertiary butyl, hexyl, methoxyl group, oxyethyl group, butoxy, allyloxy, phenoxy group, benzyloxy, formamido group, N, N-dimethylformamide base, butyrylamino, benzamido, methylthio group, methylsulfinyl, methyl sulphonyl and N, N-diethyl amino sulphur sulfonyl;
B) have the phenyl of 3 independent bit substituents, this substituting group is selected from fluorine, chlorine, bromine, methyl, ethyl, trifluoromethyl, trifluoromethoxy, ethanoyl, methylol and 1-hydroxyethyl;
C) have the phenyl of 2 independent bit substituents, this substituting group is selected from methyl, ethyl, sec.-propyl, fluorine and chlorine;
D) having two is independently from each other the substituting group of fluorine, chlorine, methyl, trifluoromethyl, methoxyl group and kharophen or has the substituent phenyl of independent methylene-dioxy;
E) have three substituent phenyl that are independently from each other fluorine, chlorine, methyl and kharophen;
F) have the phenyl of 4 or 5 fluorine or methyl substituents; Or
G) randomly have one or two substituent naphthyl or phenanthryl, this substituting group is independently from each other fluorine, chlorine, methyl and methoxyl group substituting group.
3, a kind of method according to claim 1, wherein prepared is that general formula is the Nitromethane 99Min. compounds and the non-toxic salt thereof of III:
Figure 881066923_IMG1
X in the formula 1Be halogen, (1-6C) alkyl, (1-6C) alkoxyl group, (3-6C) alkene oxygen base, hydroxyl, cyano group, hydroxyl-(1-6C) alkyl or fluoro-(1-4C) alkyl; X 2Be hydrogen or an X 1Group; X 3Be that Q defined in hydrogen or the claim 1 goes up in the substituting group; Condition is: work as X 1When being 4-fluorine, 4-chlorine, 4-bromine, 4-methyl or 2-carboxyl, X 2And X 3Not all be hydrogen.
4, a kind of method according to claim 1, wherein Q is naphthyl, phenanthryl or anthryl in starting raw material, these groups are not to be substituted or to have at the most 3 to be selected from the claim 3 X 1, X 2And X 3The substituent substituting group that is limited.
5, a kind of according to claim 3 or 4 described method, wherein X 1Be halogen or (1-4C) alkyl, X 2Be hydrogen or (1-4C) alkyl, X 3Be hydrogen, halogen or (1-4C) alkyl.
6, a kind of method according to claim 1, wherein prepared compound is selected from following compounds and non-toxic salt thereof:
(1-naphthyl alkylsulfonyl) Nitromethane 99Min.,
(2,4,6-trimethylphenyl alkylsulfonyl) Nitromethane 99Min.,
(3-chloro-phenyl-alkylsulfonyl) Nitromethane 99Min.,
(3,4-dichlorophenyl alkylsulfonyl) Nitromethane 99Min.,
(2-aminomethyl phenyl alkylsulfonyl) Nitromethane 99Min.,
(2,6-3,5-dimethylphenyl alkylsulfonyl) Nitromethane 99Min.,
(4-chloro-2,5-3,5-dimethylphenyl alkylsulfonyl) Nitromethane 99Min.,
(2-chloro-3-aminomethyl phenyl alkylsulfonyl) Nitromethane 99Min.,
(3-chloro-2-aminomethyl phenyl alkylsulfonyl) Nitromethane 99Min.,
(3-chloro-4-fluorophenyl alkylsulfonyl) Nitromethane 99Min..
CN 88106692 1987-08-06 1988-08-06 Pharmaceutical compositions Expired - Fee Related CN1026319C (en)

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