WO2005070853A1 - 混合触媒を用いた重水素化方法 - Google Patents
混合触媒を用いた重水素化方法 Download PDFInfo
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- WO2005070853A1 WO2005070853A1 PCT/JP2004/019049 JP2004019049W WO2005070853A1 WO 2005070853 A1 WO2005070853 A1 WO 2005070853A1 JP 2004019049 W JP2004019049 W JP 2004019049W WO 2005070853 A1 WO2005070853 A1 WO 2005070853A1
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- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/72—Nitrogen atoms
- C07D213/74—Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
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- C07B59/00—Introduction of isotopes of elements into organic compounds ; Labelled organic compounds per se
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- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
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- C07—ORGANIC CHEMISTRY
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- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
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- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/353—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by isomerisation; by change of size of the carbon skeleton
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/05—Isotopically modified compounds, e.g. labelled
Definitions
- the present invention relates to a method for deuteration of a compound having an aromatic ring and Z or a heterocyclic ring, which is performed using an activated catalyst.
- Deuterated (diuterized and tritiated) conjugates are said to be useful for various purposes.
- a dimerized i-conjugate is very useful for elucidation of the reaction mechanism and the metabolism of a substance, is widely used as a label, and the compound has an isotope effect.
- these compounds are useful as pharmaceuticals, agricultural chemicals, organic EL materials, and the like, because the compounds themselves change the stability and properties of the compounds.
- the tritiated compound is said to be useful as a labeled compound when investigating the absorption, distribution, blood concentration, excretion, metabolism, etc. of pharmaceuticals and the like in animal experiments and the like. For this reason, research on deuterated (diuterium and tritiated) compounds has been actively conducted in these fields in recent years!
- Patent Document 1 International Publication Number WO2004 / 011400
- Patent Document 2 International Publication Number WO2004 / 046066
- An object of the present invention is to provide a deuteration method capable of obtaining a compound having an aromatic ring or a heterocyclic ring having a higher deuteration rate.
- the present invention provides a compound having an aromatic ring and a Z or hetero ring, which is selected from an activated palladium catalyst, platinum catalyst, rhodium catalyst, iridium catalyst, ruthenium catalyst, nickel catalyst and cobalt catalyst.
- a hydrogen atom on an aromatic ring or a heterocyclic ring for example, a hydrogen atom on an aromatic ring or a heterocyclic ring, a hydrogen atom on an alkylene chain bonded to an aromatic ring / heterocyclic ring, or a hydrogen on a substituent such as an alkylamino group
- a compound having a high atom deuteration ratio can be easily obtained.
- the deuteration method of the present invention it has been considered that it is difficult to increase the deuteration rate by the conventional method. And the hydrogen atom of the carbon atom on the heterocycle adjacent to the carbon atom to which the substituent is bonded can be extremely efficiently deuterated.
- deuterium means diuterium (D) or tritium (T), and deuteration means diuterium and tritiated.
- a ratio in which a hydrogen atom of a compound having an aromatic ring and Z or a heterocyclic ring is replaced by a deuterium atom is defined as a deuteration ratio.
- the compound having an aromatic ring may be any compound having one or more hydrogen atoms in the aromatic ring. And an aromatic ring.
- the aromatic ring of the aromatic ring which may have a substituent may be a monocyclic ring or a condensed polycyclic ring.
- the aromatic rings may be directly linked to each other or to an aromatic ring and an aliphatic ring. It may be condensed in a chain, branched or cyclic form, and the condensed polycyclic ring may have a planar structure or a three-dimensional structure.
- the number of substituents on the aromatic ring having a substituent is usually 115, preferably 112, and more preferably one.
- Specific examples of the aromatic ring as described above include, for example, benzene, naphthalene, anthracene, phenanthrene, 9,10-dihydroanthracene, naphthacene, pentaphene, pentacene, hexaphene, hexacene, heptaphene, heptacene, trinaphthylene, 4-dihydronaphthalene, pyrene, triphenylene, biphenylene, indene, indane, indacene, phenalene, fluorene, acenaphthene, acenaphthylene, fluoranthene, tetraphenylene, cholanthrene, acephenanthrylene, aceanthrylene, cyclopentan
- Examples of the substituent of the aromatic ring which may have a substituent include a halogen atom, a hydroxy group, a mercapto group, an oxo group, a thioxo group, a carboxyl group, a sulfo group, a sulfino group, a sulfeno group, a phosphino group.
- the alkyl group may have a linear, branched or cyclic structure and usually has a carbon number of 11-20, preferably 1-15, more preferably 1-10, and even more preferably 1-16.
- Pentadecyl group Pentadecyl group, hexadecyl group, heptadecyl group, octadecyl group, nonadecyl group, icosyl group, cyclopropyl group, cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclooctyl group, cyclononyl group, cyclodecyl group, cycloundecyl group, Cyclododecyl, cyclotridecyl, cyclotetradecyl, cyclopentadecyl, cyclohexadecyl, cycloheptadecyl, cyclooctadecyl, cyclononadecyl, cycloicosyl and the like.
- the alkyl group may be a linear, branched, or cyclic alkyl group having at least 2 carbon atoms and having at least one carbon-carbon double bond in the chain. Examples thereof include those having usually 2 to 20, preferably 2 to 10, and more preferably 2 to 6 carbon atoms, and specifically include, for example, a butyl group, an aryl group, a 1-probe group, Isopropyl, 3-butyl, 2-butenyl, 1-butyr, 1,3-butagel, 4-pentenyl, 3-pentenyl, 2-pentenyl , 1-pentenyl, 1,3-pentagel, 2,4-pentagel, 1,1-dimethyl-2-probel, 1-ethyl-2-probel Group, 1,2-dimethyl-1-propyl group, 1-methyl-1-butyl group, 5-hexyl group, 4-hexyl group, 2-hexyl group, 1-hexyl group, 1-methyl-1-hexyl group, 2-methyl-2
- the aryl group usually has 6 to 14 carbon atoms, preferably 6 to 10 carbon atoms, and specific examples include a phenyl group, a naphthyl group, and an anthryl group.
- the aralkyl group may be a linear, branched or cyclic alkyl group in the above alkyl group. Examples include those having a carbon atom of 7 to 34, preferably 7 to 20, more preferably 7 to 15 in which a hydrogen atom is substituted by the above aryl group. Specific examples include a benzyl group and a phenylethyl group.
- alkoxy group examples include straight-chain, branched or cyclic ones having usually 120 carbon atoms, preferably 111 carbon atoms, more preferably 110 carbon atoms, and still more preferably 116 carbon atoms.
- the aryloxy group usually has 6 to 14 carbon atoms, preferably 6 to 10 carbon atoms, and specific examples include a phenoxy group, a naphthyloxy group, and an anthroxy group.
- the alkylthio group may have a straight-chain, branched or cyclic alkoxy group in which an oxygen atom is replaced by a sulfur atom, and usually has a carbon number of 11 to 20, preferably 1 to 15, more preferably 1 to 15.
- Examples are 110, more preferably 116, and specifically, for example, methylthio, ethylthio, n-propylthio, isopropylthio, n-butylthio, isobutylthio, sec-butylthio Group, tert-butylthio group, n-pentylthio group, isopentylthio group, sec-pentylthio group, tert-pentylthio group, neopentylthio group, n-hexylthio group, isohexylthio group, sec-hexylthio group, tert- Hexylthio, neohexylthio, heptylthio, octylthio, nonylthio, decylthio, pendecylthio, dodecylthio, tridecylthio O, tetradecylthio,
- arylthio group examples include those in which the alkyl group of the above alkylthio group is substituted with the above aryl group, and specific examples include a phenylthio group, a naphthylthio group, and an anthrylthio group.
- the alkylsulfonyl group may be a linear, branched or cyclic group having usually 120 to 120, preferably 1 to 15, more preferably 1 to 10, and still more preferably 1 to 6, carbon atoms.
- Specific examples include, for example, methylsulfol group, ethylsulfol group, n-propyls Ruphonyl group, isopropylsulfol group, n-butylsulfol group, isobutylsulfol group, sec-butylsulfol group, tert-butylsulfol group, n-pentylsulfol group, isopentylsulfol group , Sec-pentylsulfol, tert-pentylsulfol, neopentylsulfol, n-hexylsulfol, isohexylsulfol, sec
- arylsulfol group examples include those having 6 to 14 carbon atoms, preferably 6 to 10 carbon atoms. Specific examples include a phenylsulfol group, a naphthylsulfol group, and an anthrylsulfonyl group. And the like.
- the alkylsulfier group may be linear, branched or cyclic, and usually has 120, preferably 115 carbon atoms, more preferably 110 carbon atoms, still more preferably 110 carbon atoms. And specifically, for example, a methylsulfyl group, an ethylsulfyl group, an n-propylsulfyl group, an isopropylsulfyl group, an n-butylsulfiel group, an isopropylsulfyl group, a sec.
- arylsulfiel group examples include those in which the alkyl group of the alkylsulfinyl group is substituted with the aryl group. Specifically, for example, a phenylsulfyl group, a naphthylsulfiel group, And an anthryl sulfier group.
- alkylphosphino group examples include those in which one or two hydrogen atoms of a phosphino group are independently substituted with the above-mentioned alkyl group.
- Examples of the arylphosphino group include those in which one or two of the hydrogen atoms of the phosphino group have been replaced with the above aryl group. Specifically, for example, a phenylphosphino group, a diphenylphosphino group , A naphthylphosphino group, an anthrylphosphino group and the like.
- alkylphosphinyl group examples include those in which one or two of the hydrogen atoms of the phosphinoyl group are independently substituted with the above-mentioned alkyl group.
- Specific examples include a methylphosphinyl group and a hydrogenphosphinyl group.
- Tylphosphinoyl n-propylphosphinoyl, isopropylphosphinoyl, n-butylphosphinoyl, isobutylphosphinoyl, sec-butylphosphinoyl, tert-butylphosphinoyl Group, pentylphosphinoyl group, hexylho Sphinoyl, heptylphosphinoyl, octylphosphinoyl, nonylphosphinoyl, decylphosphinoyl, pendecylphosphinoyl, dodecylphosphinoyl, tridecylphosphinoyl Group, tetradecylphosphinoyl group, pentadecylphosphinoyl group, hexadecylphosphinoyl group, heptadecylphosphinoyl group
- arylphosphinoyl group examples include those in which one or two hydrogen atoms of the phosphinoyl group are substituted with the above aryl group.
- alkylamino group examples include those in which one or two hydrogen atoms of an amino group are each independently substituted with the above-mentioned alkyl group.
- arylamino group examples include those in which one or two hydrogen atoms of the amino group are substituted with the above aryl group. Specifically, for example, a phenylamino group, a diphenylamino group, a naphthylamino group, and an anthryl And an amino group.
- the alkoxycarbyl group may be a straight-chain, branched or cyclic alkoxy group having a carbon group further bonded to an oxygen atom of the above-mentioned alkoxy group, usually having 2 to 21, preferably 2 carbon atoms. —15, more preferably 2-10, and still more preferably 2-6. Specific examples include methoxycarbyl, ethoxycarbyl, n-propoxycarbonyl, isopropoxycarbo, and the like.
- -N-butoxycarbol group isobutoxycarbol group, sec-butoxycarbol group, tert-butoxycarbol group, n-pentyloxycarbol group, isopentyloxycarbol group -Hydroxyl group, sec-pentyloxycarbol group, tert-pentyloxycarbol group, neopentyloxycarbol group, hexyloxycarbol group, cyclohexyloxycarbol group , Heptyloxycarbol group, Mouth heptyl carboxy, octyl oxy carb, noroxy carb, decyl oxy carb, cyclodecyl oxy carb, decyl oxy carb, tri Decyloxycarbol, tetradecyloxycarbonyl, pentadecyloxycarbol, hexadecyloxycarbol, heptadecyloxycarbol, cycloheptadecyloxycarbol Oct
- the aryloxycarbonyl group examples include those having 7 to 15 carbon atoms, and preferably 7 to 11 carbon atoms. Specific examples include a phenyloxycarbonyl group and a naphthyloxycarbonyl group. And an anthroxycarbonyl group.
- the alkoxysulfol group may be linear, branched or cyclic, and usually has 2 to 21 carbon atoms, preferably 2 to 21 carbon atoms, in which a sulfur group is further bonded to the oxygen atom of the above alkoxy group.
- aryloxysulfonyl group examples include those having 7 to 15 carbon atoms, preferably 7 to 11 carbon atoms. Specific examples thereof include a phenyloxysulfonyl group and a naphthyloxysulfonyl group. And an anthroxy sulfonyl group.
- acyl group examples include those derived from an aliphatic carboxylic acid and an aromatic carboxylic acid.
- the acyl group derived from an aliphatic carboxylic acid may be linear, branched or cyclic, or may have a double bond in the chain, and usually has 2 to 20 carbon atoms, preferably Is a group having 2 to 15, more preferably 2 to 10, and still more preferably 2 to 6 carbon atoms. Specific examples thereof include an acetyl group, a propionyl group, a butyryl group, an isoptyryl group, a valeryl group and an isovaleryl group.
- Bivaloyl Hexanoyl, Heptanoyl, Ottatanyl, Decanoyl, Lauroyl, Myristoyl, Palmitoyl, Stearoyl, Icosanoyl,
- a Examples include a acryloyl group, a methacryloyl group, a crotonyl group, and an oleoyl group.
- Examples of the acyl group derived from an aromatic carboxylic acid include those having 7 to 15 carbon atoms, preferably 7 to 11 carbon atoms, and specific examples include a benzoyl group, a naphthoyl group, an anthroyl group and the like. .
- acyloxy group examples include those derived from carboxylic acids in which —0— is further bonded to the above-described carboxylic acid-derived acyl group, such as aliphatic carboxylic acid-derived and aromatic carboxylic acid-derived acyloxy groups.
- the acyloxy group derived from an aliphatic carboxylic acid may be linear, branched or cyclic, or may have a double bond in the chain, usually having 2 to 20 carbon atoms. Preferred are those having 2-15, more preferably 2-10, and still more preferably 2-6, and specifically include, for example, acetyloxy, propio-loxy, butyryloxy, isobutyryloxy, valeryloxy, and isobutyloxy.
- acyloxy group derived from an aromatic carboxylic acid examples include those having 7 to 15 carbon atoms, preferably 7 to 11 carbon atoms. Specific examples include a benzoyloxy group, a naphthoyloxy group and an anthroyloxy group And the like.
- Examples of the sulfonyl group include those derived from an aliphatic sulfonic acid and those derived from an aromatic sulfonic acid.
- the sulfonyl group derived from the aliphatic sulfonic acid may be linear, branched or cyclic, and usually has a carbon number of 120, preferably 115, more preferably 110, and still more preferably 110.
- Examples thereof include, for example, a methylsulfol group, an ethylsulfol group, an n-propylsulfol group, an isopropylsulfol group, an n-butylsulfol group, and an isobutylsulfol group.
- Examples of the sulfonyl group derived from an aromatic sulfonic acid include those having 6 to 14 carbon atoms, preferably 6 to 10 carbon atoms. Specific examples include a phenyl sulfol group and a naphthyl sulfol group. And an anthrylsulfol group.
- Examples of the sulfoxy group include those derived from a sulfonic acid in which -0- is further bonded to the above-mentioned sulfo group derived from a sulfonic acid. Things.
- the sulfonyloxy group derived from an aliphatic sulfonic acid may be linear, branched or cyclic, and usually has a carbon number of 110, preferably 115, more preferably 110, and more preferably 110.
- Preferable examples are 1 to 6, and specific examples include a methylsulfo-loxy group, an ethylsulfo-loxy group, an n-propylsulfo-loxy group, an isopropylsulfo-loxy group, and an n-butylsulfo-loxy group.
- the sulfonyloxy group derived from an aromatic sulfonic acid usually includes those having 6 to 14 carbon atoms, preferably 6 to 10 carbon atoms, and specifically includes, for example, a phenylsulfoxy-oxy group, Examples include a futylsulfo-loxy group and an anthrylsulfo-loxy group.
- halogen atom examples include a chlorine atom, a bromine atom, a fluorine atom and an iodine atom. And among them, chlorine is preferable.
- alkyl group aryl group, aryl group, aralkyl group, alkoxy group, aryloxy group, alkylthio group which is a substituent of an aromatic ring and may have a substituent according to the present invention.
- Arylthio, alkylsulfur, arylsulfur, alkylsulfyl, arylsulfyl, alkylphosphino, arylphosphino, alkylphosphinoyl, arylphosphino Further has an aryl group, an alkylamino group, an arylamino group, an alkoxycarbyl group, an aryloxycarbol group, an alkoxysulfol group, an aryloxysulfol group, an acyl group and an acyloxy group.
- Examples of the optionally substituted substituent include, for example, an alkyl group, an alkyl group, an alkyl group, an aryl group, a hydroxyl group, an alkoxy group, an amino group, an alkyl group
- Examples include a mino group, a mercapto group, an alkylthio group, a formyl group, an acyl group, a carboxyl group, an alkoxycarbol group, a rubamoyl group, an alkyl rubamoyl group, and the like.
- Six, preferably 114, more preferably 112 may be present.
- alkyl group, alkenyl group, aryl group, alkoxy group, alkylamino group, alkylthio group, acyl group, carboxyl group and alkoxycarbol group which are substituents of the substituents on the aromatic ring according to the present invention are And the same substituents as the substituents of the aromatic ring.
- the alkyl group as a substituent of the substituent of the aromatic ring according to the present invention may be a linear, branched or cyclic alkyl group having 2 or more carbon atoms among the above alkyl groups. And usually contains 2 to 20, preferably 2 to 10, and more preferably 2 to 6 carbon atoms in which one or more carbon-carbon triple bonds are contained.
- alkyl rubamoyl group which is a substituent of the substituent possessed by the aromatic ring according to the present invention, one or two hydrogen atoms of the rubamoyl group are independently substituted with the above alkyl group.
- a methylcarbamoyl group an ethylcarbamoyl group, an n-propylcarbamoyl group, an isopropylcarbamoyl group, an n-butylcarbamoyl group, an isobutylcarbamoyl group, a sec-butylcarbamoyl group, tert-butylcarbamoyl, pentylcarbamoyl, hexylcarbamoyl, heptylcarbamoyl, octylcarbamoyl, norcarbamoyl, decylcarbamoyl, pendecylcarbamoyl, dodecylcarbamoyl, tridecylcarbamoyl, tetra Decylcarbamoyl, pentadecylcarbamoyl, hex
- the compound having a heterocycle has one or more, preferably 113 heteroatoms, and one or more hydrogen atoms on the heterocycle. There are those that exist.
- hetero atom included in the hetero ring examples include a nitrogen atom, an oxygen atom, a sulfur atom and the like, and among them, a nitrogen atom is preferable.
- the heterocyclic ring as described above may have aromaticity, and is usually a 3 to 20-membered, preferably 3 to 14-membered, more preferably a 5 to 10-membered monocyclic heterocyclic ring or A polycyclic heterocyclic ring; a monocyclic heterocyclic ring is more preferably a 5- to 6-membered ring; a polycyclic heterocyclic ring is more preferably a 9- to 10-membered ring, particularly a 9-membered ring; Preferably, these rings may be condensed into a chain, a branch or a ring, or may have a planar structure or a three-dimensional structure.
- the heterocycle may have usually 115 substituents, preferably 112 substituents, more preferably 1 substituent.
- the monocyclic heterocyclic ring for example, a 3-membered heterocyclic ring having one hetero atom such as an oxylane ring and an aziridine ring, for example, a furan ring, a thiophene ring, a pyrrole ring, a 2H-pyrrole ring, a pyrroline ring , A 2-pyrroline ring, a 5-membered heterocyclic ring having one hetero atom such as a pyrrolidine ring, for example, a 1,3-dioxolane ring, an oxazole ring, an isoxazole ring, a 1,3-oxazole ring, a thiazole ring, and an isothiazole ring.
- a 3-membered heterocyclic ring having one hetero atom such as an oxylane ring and an aziridine ring
- a furan ring for example, a furan ring, a thiophene
- 5-membered heterocycle having two heteroatoms such as 1,3-thiazole ring, imidazole ring, imidazoline ring, 2-imidazoline ring, imidazolidine ring, pyrazole ring, pyrazoline ring, 3-pyrazolin ring, virazolidine ring, etc.
- a 5-membered heterocyclic ring having three hetero atoms such as a furazane ring, a triazole ring, a thiadiazole ring, and an oxaziazole ring
- a pyran ring, a 2H-pyran ring and pyridine 6-membered heterocyclic ring having one hetero atom such as a ring, a piperidine ring or the like, for example, a heteroatom such as a thiopyran ring, a pyridazine ring, a pyrimidine ring, a pyrazine ring, a pyrazine ring, a morpholine ring, etc.
- six-membered heterocycles having three heteroatoms such as a 1,2,4-triazine ring.
- the polycyclic heterocycle is a condensed form of two to three monocyclic heterocycles or a condensed monocyclic heterocycle and one or two aromatic rings such as a benzene ring and a naphthalene ring. And bicyclic heterocycles and tricyclic heterocycles.
- bicyclic heterocycle for example, a benzofuran ring, an isobenzofuran ring, a 1-benzothiophene ring, a 2-benzothiophene ring, an indole ring, a 3-indole ring, an isoindole ring, an indolizine ring, and an indoline ring ,
- Heterocycles having two heteroatoms such as imidazole ring, benzothiazole ring, 1H-indazole ring, 1,8-naphthyridine ring, quinoxaline ring, quinazoline ring, quinazolidine ring, cinnoline ring and phthalazine ring, for example, purine ring And heterocycles having four hetero atoms such as pteridine ring.
- Examples of the tricyclic heterocycle include a heterocycle having one heteroatom such as a carbazole ring, a 4aH-carbazole ring, a xanthene ring, a phenanthridine ring, and an athalidine ring, for example, a j8-canoleboline ring, Perimidine ring, 1,7-phenoantine phosphorus ring, 1,10-phenanthate phosphorus ring, thiant Examples include a hetero ring having two hetero atoms such as a ren ring, a phenoxatiin ring, a phenoxazine ring, a phenothiazine ring, and a phenazine ring.
- a heterocycle having one heteroatom such as a carbazole ring, a 4aH-carbazole ring, a xanthene ring, a phenanthridine ring, and an athalidine ring, for example,
- Examples of the substituent which the heterocyclic ring may have include, for example, a halogen atom, a hydroxyl group, a mercapto group, an oxo group, a thioxo group, a carboxyl group, a sulfo group, a sulfino group, a sulfeno group.
- the alkyl group may be linear, branched or cyclic, and usually has 1120, preferably 1-15, more preferably 1-10, and even more preferably 1-16 carbon atoms.
- the alkyl group may be linear, branched, or cyclic, and one or more carbon-carbon double bonds are contained in the chain of the alkyl groups having 2 or more carbon atoms.
- Examples thereof include those having usually 2 to 20, preferably 2 to 10, and more preferably 2 to 6 carbon atoms, and specifically include, for example, a butyl group, an aryl group, a 1-probe group, Isopropyl, 3-butyl, 2-butenyl, 1-butyr, 1,3-butagel, 4-pentenyl, 3-pentenyl, 2-pentenyl , 1-pentenyl, 1,3-pentagel, 2,4-pentagel, 1,1-dimethyl-2-probel, 1-ethyl-2-probel Group, 1,2-dimethyl-1-propyl group, 1-methyl-1-butyl group, 5-hexyl group, 4-hexyl group, 2-hexyl group, 1-hexyl group, 1-methyl-1-hexyl group, 2-
- the aryl group usually has 6 to 14 carbon atoms, preferably 6 to 10 carbon atoms, and specific examples include a phenyl group, a naphthyl group, and an anthryl group.
- the aralkyl group is a straight-chain, branched or cyclic alkyl group in which a hydrogen atom in the above alkyl group is substituted with the above araryl group, and usually has 7 to 34 carbon atoms, preferably 7 to 20 carbon atoms, and more preferably 7 to 20 carbon atoms. Preferable examples include 7-15. Specific examples include benzyl, phenyl, propyl, phenyl, butyl, phenylpentyl, phenylhexyl, and phenyl.
- alkoxy group examples include straight-chain, branched and cyclic ones having usually 120 to 20, preferably 1 to 15, more preferably 1 to 10, and still more preferably 1 to 16 carbon atoms.
- the aryloxy group usually has 6 to 14 carbon atoms, preferably 6 to 10 carbon atoms. Specific examples include a phenoxy group, a naphthyloxy group, an anthroxy group and the like.
- alkylthio group a straight-chain, branched, or cyclic alkoxy group in which an oxygen atom is replaced with a sulfur atom, usually having 11 to 20, preferably 1 to 15, more preferably 1 to 15 carbon atoms
- Examples are 110, more preferably 116, and specifically, for example, methylthio, ethylthio, n-propylthio, isopropylthio, n-butylthio, isobutylthio, sec-butylthio Group, tert-butylthio group, n-pentylthio group, isopentylthio group, sec-pentylthio group, tert-pentylthio group, neopentylthio group, n-hexylthio group, isohexylthio group, sec-hexylthio group, tert- Hexylthio, neohexylthio,
- arylthio group examples include those in which the alkyl group portion of the above alkylthio group is substituted with the above aryl group, and specific examples include a phenylthio group, a naphthylthio group, and an anthrylthio group.
- the alkylsulfonyl group may be a straight-chained, branched or cyclic one having usually 120 to 1, preferably 1 to 15, more preferably 1 to 10, more preferably 1 to 6 carbon atoms.
- Specific examples include, for example, methylsulfol group, ethylsulfol group, n-propylsulfonyl group, isopropylsulfol group, n-butylsulfol group, isobutylsulfol group, sec-butylsulfol group Tert-butylsulfol group, n-pentylsulfol group, isopentylsulfol group, sec-pentylsulfol group, tert-pentylsulfol group, neopentylsulfol group, n-hexylsulfol group -Hexylsulfony
- arylsulfur group examples include those having 6 to 14 carbon atoms, preferably 6 to 10 carbon atoms. Specific examples include a phenylsulfol group, a naphthylsulfol group, and an anthrylsulfonyl group And the like.
- the alkylsulfiel group may be linear, branched or cyclic, and usually has 120, preferably 115, more preferably 110, and still more preferably 116 carbon atoms. And specifically, for example, a methylsulfyl group, an ethylsulfyl group, an n-propylsulfyl group, an isopropylsulfyl group, an n-butylsulfiel group, an isopropylsulfyl group, a sec.
- arylsulfiel group examples include those in which the alkyl group portion of the above-mentioned alkylsulfiel group is substituted with the above-mentioned aryl group. Specifically, for example, a fuelsulfyl group, a naphthylsulfiel group, And an anthryl sulfier group.
- alkylphosphino group examples include those in which one or two of the hydrogen atoms of the phosphino group are independently substituted with the above-mentioned alkyl group.
- arylphosphino group examples include those in which one or two of the hydrogen atoms of the phosphino group are substituted with the above aryl group. Specific examples include a phenylphosphino group and a diphenylphosphino group. , A naphthylphosphino group, an anthrylphosphino group and the like.
- alkylphosphinyl group examples include those in which one or two hydrogen atoms of a phosphinoyl group are independently substituted with the above-mentioned alkyl group.
- Specific examples include a methylphosphinyl group, Tylphosphinoyl, n-propylphosphinoyl, isopropylphosphinoyl, n-butylphosphinoyl, isobutylphosphinoyl, sec-butylphosphinoyl, tert-butylphosphinoyl Group, pentylphosphinoyl group, hexylphosphinoyl group, heptylphosphinoyl group, octylphosphinoyl group, nonylphosphinoyl group, decylphosphinoyl group, pendecylphosphinoyl group, dodecyl Phosphinoyl,
- arylphosphinoyl group examples include those in which one or two of the hydrogen atoms of the phosphinoyl group are substituted with the above aryl group. Specifically, for example, a phenylphosphinoyl group And diphenylphosphinoyl, naphthylphosphinoyl, anthrylphosphinoyl and the like.
- alkylamino group examples include ones in which one or two hydrogen atoms of an amino group are each independently substituted with the above-mentioned alkyl group.
- Examples of the arylamino group include those in which one or two hydrogen atoms of the amino group are substituted with the above aryl group. Specifically, for example, a phenylamino group, a diphenylamino group, a naphthylamino group, an anthryl And an amino group.
- the alkoxycarbyl group may be a straight-chain, branched or cyclic alkoxy group having a carbon group further bonded to an oxygen atom of the above-mentioned alkoxy group. —15, more preferably 2-10, and still more preferably 2-6.
- -N-butoxycarbol group isobutoxycarbol group, sec-butoxycarbol group, tert-butoxycarbol group, n-pentyloxycarbol group, isopentyloxycarbol group -Hydroxyl group, sec-pentyloxycarbol group, tert-pentyloxycarbol group, neopentyloxycarbol group, hexyloxycarbol group, cyclohexyloxycarbol group , Heptyloxycarbol group, Mouth heptyl carboxy, octyl oxy carb, noroxy carb, decyl oxy carb, cyclodecyl oxy carb, decyl oxy carb, tri Decyloxycarbol, tetradecyloxycarbonyl, pentadecyloxycarbol
- aryloxycarbonyl group examples include those having 7 to 15 carbon atoms, preferably 7 to 11 carbon atoms. Specific examples include a phenyloxycarbonyl group and a naphthyloxycarbonyl group. And an anthroxycarbonyl group.
- the alkoxysulfol group may be linear, branched or cyclic, and usually has 2 to 21 carbon atoms, preferably 2 to 21 carbon atoms, wherein a sulfur group is further bonded to the oxygen atom of the above-mentioned alkoxy group.
- aryloxysulfonyl group examples include those having 7 to 15 carbon atoms, preferably 7 to 11 carbon atoms. Specific examples include a phenyloxysulfonyl group and a naphthyloxysulfonyl group. And an anthroxy sulfonyl group.
- acyl group examples include those derived from an aliphatic carboxylic acid and an aromatic carboxylic acid.
- the acyl group derived from an aliphatic carboxylic acid may be linear, branched or cyclic, or may have a double bond in the chain, and usually has 2 to 20 carbon atoms, and is preferably Is a group having 2 to 15, more preferably 2 to 10, and still more preferably 2 to 6 carbon atoms. Specific examples thereof include an acetyl group, a propionyl group, a butyryl group, an isoptyryl group, a valeryl group and an isovaleryl group.
- acyl group derived from an aromatic carboxylic acid examples include those having 7 to 15 carbon atoms, preferably 7 to 11 carbon atoms. Specific examples include a benzoyl group, a naphthoyl group, and an anthroyl group. .
- acyloxy group examples include those derived from carboxylic acids in which -0- is further bonded to an acyl group derived from the carboxylic acid, and examples thereof include an acyloxy group derived from an aliphatic carboxylic acid and an aromatic carboxylic acid.
- the aliphatic carboxylic acid-derived acyloxy group may be a straight-chain, branched or cyclic group. Those having usually 2 to 20, preferably 2 to 15, more preferably 2 to 10, even more preferably 2 to 6 carbon atoms which may have a double bond in the chain.
- acyloxy group derived from an aromatic carboxylic acid examples include those having 7 to 15 carbon atoms, preferably 7 to 11 carbon atoms. Specific examples include a benzoyloxy group, a naphthoyloxy group and an anthroyloxy group And the like.
- Examples of the sulfonyl group include those derived from an aliphatic sulfonic acid and an aromatic sulfonic acid.
- the sulfonyl group derived from an aliphatic sulfonic acid may be linear, branched or cyclic, and usually has a carbon number of 110, preferably 1 115, more preferably 1 10 and more preferably 1 10 Examples thereof include, for example, a methylsulfol group, an ethylsulfol group, an n-propylsulfol group, an isopropylsulfol group, an n-butylsulfol group, and an isobutylsulfol group.
- Examples of the sulfonyl group derived from an aromatic sulfonic acid include those having 6 to 14 carbon atoms, preferably 6 to 10 carbon atoms. Specifically, for example, a phenol sulfol group, a naphthyl sulfol group And an anthrylsulfol group.
- Examples of the sulfoxy group include those derived from a sulfonic acid in which -0- is further bonded to the sulfo group derived from the sulfonic acid, and examples thereof include those derived from an aliphatic sulfonic acid and an aromatic sulfonic acid. Things.
- the sulfonyloxy group derived from an aliphatic sulfonic acid may be linear, branched or cyclic, and usually has a carbon number of 110, preferably 1115, more preferably 1150, and more preferably 1110.
- Preferable examples are 1 to 6, and specific examples include a methylsulfo-loxy group, an ethylsulfo-loxy group, an n-propylsulfo-loxy group, an isopropylsulfo-loxy group, and an n-butylsulfo-loxy group.
- the sulfonyloxy group derived from an aromatic sulfonic acid usually includes those having 6 to 14 carbon atoms, preferably 6 to 10 carbon atoms. Specifically, for example, a phenylsulfoxy group, Examples include a futylsulfo-loxy group and an anthrylsulfo-loxy group.
- halogen atom examples include a chlorine atom, a bromine atom, a fluorine atom, an iodine atom and the like, and among them, chlorine is preferable.
- the hydrogen atoms of those groups are replaced by alkali metal atoms such as sodium, potassium and lithium. Also included.
- an alkyl group for example, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a hydroxyl group, an alkoxy group, an amino group, an alkylamino group, a mercapto group, an alkylthio group, A formyl group, an acyl group, a carboxyl group, an alkoxycarbol group, a carbamoyl group, an alkylcarbamoyl group, and the like.
- the substituents on the aromatic ring are usually 116, preferably 114, More preferably, there may be one or two.
- the heterocyclic ring may have a substituent such as an alkyl group, an alkenyl group, an aryl group, an alkoxy group, an alkylamino group, an alkylthio group, an acyl group, a carboxyl group or an alkoxy group.
- a substituent such as an alkyl group, an alkenyl group, an aryl group, an alkoxy group, an alkylamino group, an alkylthio group, an acyl group, a carboxyl group or an alkoxy group.
- Examples of the carboxy group include the same as those exemplified as the substituent of the heterocyclic ring.
- the alkynyl group which is a substituent of the substituent possessed by the heterocyclic ring includes a carbon atom in the chain of the alkyl group having 2 or more carbon atoms which may be linear, branched or cyclic. Examples thereof include one having at least one triple bond, usually having 2 to 20, preferably 2 to 10, and more preferably 2 to 6 carbon atoms. Specific examples thereof include an ethyl group and a 2-propyl group. A 2-pentyl group, a 2-pentyl-3-butyl group, a cyclohexyl-3-yl group, a 4-octyl group, a 1-methyldecyl-5-ynyl group, etc. No.
- alkyl rubamoyl group as a substituent of the substituent of the heterocyclic ring include those in which one or two hydrogen atoms of the rubamoyl group are independently substituted with the above alkyl group.
- the compound having a heterocyclic ring according to the deuteration method of the present invention includes, as described above, the heterocyclic ring itself which may have a substituent,
- the specific examples of the latter include nucleosides such as adenosine, deoxyadenosine, guanosine, thymidine, peridine, inosine, deoxyguanosine, deoxythymidine, and deoxyperidine.
- nucleosides such as adenosine, deoxyadenosine, guanosine, thymidine, peridine, inosine, deoxyguanosine, deoxythymidine, and deoxyperidine.
- amino acids such as tryptophan.
- the compound having an aromatic ring and a hetero ring is a compound obtained by appropriately combining the compound having an aromatic ring and the compound having a hetero ring as described above. Which include those in which an aromatic ring and a heterocyclic ring are condensed and directly bonded.
- examples of the deuterium source to be reacted with the compound having an aromatic ring as described above include deuterium gas (D), a deuterated solvent and the like.
- the deuterated solvent serving as a deuterium source is, for example, heavy water (D0) such as heavy methanol, heavy ethanol, or heavy isopropanol.
- Heavy alcohols such as heavy butanol, heavy tert-butanol, heavy pentanol, heavy hexanol, heavy heptanol, heavy octanol, heavy nonanol, heavy decanol, heavy pentanol, heavy dodecanol, etc., for example, heavy formic acid, heavy acetic acid Gravity rubonic acids such as heavy propionic acid, heavy butyric acid, heavy isobutyric acid, heavy valeric acid, heavy isovaleric acid, and heavy pivalic acid; Examples include heavy ketones such as methyl ethyl ketone, heavy methyl isobutyl ketone, heavy getyl ketone, heavy dipropyl ketone, heavy diisopropyl ketone, and heavy dibutyl ketone, and organic solvents such as heavy dimethyl sulfoxide. Heavy water and heavy methanol are more preferable, and heavy water is particularly preferable in consideration of environment and workability. When de
- the deuterated solvent may be a solvent in which at least one hydrogen atom in the molecule is deuterated.
- a hydrogen atom of a hydroxyl group is used for heavy alcohols, and a carboxyl is used for gravity rubonic acids. If the hydrogen atoms of the group are deuterated, the force that can be used in the deuteration method of the present invention is such that the higher the deuteration rate of hydrogen atoms in the molecule is, the more preferable all hydrogen atoms are deuterated. Solvents are the most preferred.
- the deuterium source is used, the more easily the deuteration of the present invention proceeds.
- the deuterium of a compound having an aromatic ring and Z or a heterocyclic ring as a reaction substrate is considered.
- the lower limit is preferably at least equimolar, 10-fold mole, 20-fold mole, 30-fold monolet, 40-fold monolet, and upper-limit force, preferably 250-fold monolet and 150-fold monolet deuterium atom, to hydrogen atoms that can be converted Is such that is contained in the deuterium source.
- a reaction solvent may be used as necessary. If the reaction substrate is a liquid, there is no need to use a reaction solvent even when deuterium gas is used as the deuterium source.Also, even if the reaction substrate is solid, use a deuterated solvent as the deuterium source. When used, there is no particular need to use a reaction solvent, but when the reaction substrate is solid and the deuterium source is deuterium gas, it is necessary to use an appropriate reaction solvent.
- the reaction solvent used as necessary may be one that is not deuterated by deuterium gas used as a deuterium source or one that is deuterated by deuterium gas. It is preferable that the deuterated reaction solvent can directly serve as a deuterium source for the deuteration of the present invention. In the deuteration of the present invention, since the reaction system may be in a suspended state, it is possible to use a reaction solvent which does not easily dissolve the substrate, but it is more preferable to easily dissolve the substrate.
- the solvent deuterated with deuterium gas which is a deuterium source, is used in the deuteration of the present invention. If such a solvent cannot be used as a hydrogen source, most of the deuterium gas, which is a deuterium source, is used for the deuteration of the solvent instead of the deuteration of the present invention. Therefore, it is not preferable to use such a solvent as a reaction solvent.
- reaction solvent used if necessary include, for example, dimethyl ether, diethylenoatenole, diisopropinoleatenole, etinolemethinoleatenole, tert-butinolemethyl ether, 1,2- With deuterium gas such as ethers such as dimethoxyethane, oxysilane, 1,4-dioxane, dihydropyran and tetrahydrofuran, and aliphatic hydrocarbons such as hexane, heptane, octane, nonane, decane and cyclohexane.
- deuterium gas such as ethers such as dimethoxyethane, oxysilane, 1,4-dioxane, dihydropyran and tetrahydrofuran
- aliphatic hydrocarbons such as hexane, heptane, octane, nonane, decane and
- Organic solvents that are not deuterated for example water, for example methanol, ethanol, isopropanol, butanol, tert-butanol, pentanol, hexanol, heptanol, octanol, nonanol, decanol, alcohols such as pendanol, dodecanol, for example, formic acid, Acetic acid, propionic acid, butyric acid Carboxylic acids such as isobutyric acid, valeric acid, isovaleric acid, and pivalic acid; for example, ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, getyl ketone, dipropyl ketone, diisopropyl ketone, and dibutyl ketone; for example, dimethyl sulfoxy Organic solvents that can be used as the deuterium source of the present invention even if they are deuterated with deuterium gas
- the activated mixed catalyst of two or more kinds selected from the group consisting of a noradium catalyst, a platinum catalyst, a rhodium catalyst, an iridium catalyst, a ruthenium catalyst, a nickel catalyst, and a cobalt catalyst (hereinafter, referred to as " "Activated catalyst mixture” may be abbreviated as "activated, selected from the group consisting of unactivated, radium, platinum, rhodium, iridium, ruthenium, nickel, and cobalt catalysts.
- Two or more kinds of mixed catalysts (hereinafter sometimes abbreviated as “catalyzed mixture!”) Are activated by contact with hydrogen gas or deuterium gas.
- Catalysts, or non-activated catalysts such as nordium, platinum, rhodium, iridium, ruthenium, nickel or cobalt
- activated Refers to what may be abbreviated as catalyst ” is a mixture of two or more those active I spoon by contact with hydrogen gas or heavy hydrogen gas.
- an inactivated catalyst or a catalyst in which the mixed catalyst has been activated in advance may be used as the activated mixed catalyst. If hydrogen gas or deuterium gas is present, a catalyst or a mixed catalyst that has been activated can be used in the same manner. If hydrogen gas or deuterium gas is present in the reaction system, it is activated! / Using a catalyst and a pre-activated catalyst simultaneously,
- reaction solution is allowed to pass hydrogen gas or deuterium gas directly, or the sealed deuteration reaction system of the present invention is hydrogenated. Gas or must be replaced with deuterium gas.
- the catalyst may be activated using the method. ⁇ ⁇ Since there is no need to perform an operation, the deuteration of the present invention can be performed efficiently.
- the activated mixed catalyst includes two or more mixed catalysts including an activated palladium catalyst and two or more mixed catalysts including an activated platinum catalyst.
- Examples of the noradium catalyst include those having a palladium valence of 0 to 4, preferably 0 to 2, and more preferably 0.
- platinum catalyst examples include those in which the valence of a platinum atom is usually 0 to 4, preferably 0 to 2, and more preferably 0.
- rhodium catalyst examples include those in which the valence of a rhodium atom is usually 0 or 1, and preferably 0.
- the valence of the iridium atom is usually 0 to 5, preferably 113.
- Examples of the ruthenium catalyst include those in which the valence of a ruthenium atom is usually 0 to 2, and preferably 0.
- Examples of the nickel catalyst include those in which the valence of a nickel atom is usually 0 to 2, and preferably 0.
- cobalt catalyst examples include those in which the valence of a cobalt atom is usually 0 or 1, and preferably 1.
- the catalyst as described above may be a metal such as palladium, platinum, rhodium, iridium, ruthenium, nickel, or conoreto itself, or an oxide, halide, or acetate salt of such a metal, or a ligand coordinated. Any of these metals, metal oxides, halides, acetates or metal complexes may be supported on various carriers.
- the catalyst supported on the carrier may be abbreviated as “metal catalyst supported on a carrier”, and the catalyst not supported on the carrier may be abbreviated as “metal catalyst”.
- the carrier-supported metal catalyst which is the mixed catalyst according to the deuteration method of the present invention, may be a mixture of two or more activated carrier-supported metal catalysts or an activated carrier-supported metal catalyst. There are two or more types of supported catalysts, and the latter is sometimes called a composite catalyst.
- the ligands of the metal catalyst to which the ligand may be coordinated include 1,5-cyclooctadiene (COD) and dibenzylidene.
- COD 1,5-cyclooctadiene
- DBA Acetone
- BPY bipyridine
- PHE phenanthroline phosphorus
- PhCN benzo-tolyl
- RNC isocyanide
- As (Et) triethylarsine
- DPPF Mouth sen
- P (CH) trimethylphosphine
- PEt triethylphosphine
- Tylphosphine (ptBu), tricyclohexylphosphine (PCy), trimethoxyphosphine
- Phosphine P (OPh)
- -Organic phosphine ligands such as -tolylphosphine (P (o-tolyl)
- the palladium metal catalyst include, for example, Pd, for example, palladium hydroxide such as Pd (OH).
- Catalysts such as oxidized palladium catalysts such as PdO and catalysts such as PdBr, PdCl and Pdl
- Palladium-produced palladium catalysts such as palladium acetate (Pd (0 Ac)), palladium trifur Palladium acetate catalysts such as oroacetate (Pd (OCOCF)), such as Pd (RNC) C1,
- platinum metal catalyst examples include, for example, a platinum oxide catalyst such as Pt, for example, PtO.
- platinum halide catalysts such as PtCl, PtCl, and K PtCl, such as PtCl (cod), PtCl (dba),
- rhodium metal catalyst examples include, for example, ligands such as Rh (eg, RhCKPPh).
- iridium metal catalyst examples include, for example, Ir, for example, Ir (cod) (acac), Cp * Ir (P (CH
- ruthenium metal catalyst examples include, for example, a ligand such as Ru, for example, RuCl (PPh).
- nickel metal catalyst examples include, for example, Ni, an oxidized nickel catalyst such as NiO, a nickel halide catalyst such as NiCl, for example, NiCl (dppe), NiCl (PPh),
- Nickel metal complex catalyst coordinated with ligands such as Ni (PPh), Ni (P (OPh)), Ni (cod), etc.
- cobalt metal catalyst for example, a ligand such as Co (C H) ⁇ P (OCH) ⁇
- the metal catalyst is supported on a carrier as described above
- examples of the carrier include carbon, alumina, silica gel, zeolite, molecular sieve, and ion-exchange resin.
- the ion exchange resin used as a carrier is not particularly limited as long as it does not adversely affect the deuteration of the present invention, and examples thereof include a cation exchange resin and an anion exchange resin.
- examples of the cation exchange resin include a weakly acidic cation exchange resin and a strongly acidic cation exchange resin.
- examples of the anion exchange resin include a weakly basic anion exchange resin, Strongly basic anion exchange resin and the like.
- Ion-exchange resins generally include a polymer crosslinked with a bifunctional monomer as a skeletal polymer, to which an acidic group or a basic group is bonded, and each of which has a variety of cations or anions (counterions). Exchanged.
- the weakly acidic cation exchange resin include, for example, those obtained by hydrolyzing a polymer of an acrylate or methacrylate crosslinked with divinylbenzene.
- the strongly acidic cation exchange resin include, for example, those obtained by sulfonating a copolymer of styrenedibutylbenzene.
- Examples of the strongly basic anion exchange resin include those in which an amino group is bonded to an aromatic ring of a copolymer of styrene divinylbenzene.
- the basic strength of the basic anion exchange resin is such that the amino group to be bound becomes a primary amino group, a secondary amino group, a tertiary amino group, or a quaternary ammonium salt. In order.
- ion-exchange resins can be used as a carrier for the catalyst for deuteration according to the present invention, similarly to the ion-exchange resins as described above.
- the polymer used as the carrier is not particularly limited as long as it does not adversely affect the deuteration of the present invention.
- examples of such a polymer include, for example, those represented by the following general formula [1]: Examples include those obtained by polymerization or copolymerization of the indicated monomers.
- R 1 represents a hydrogen atom, a lower alkyl group, a carboxyl group, a carboxyalkyl group, an alkyloxycarbol group, a hydroxyalkyloxycarbol group, a cyano group or a formyl group
- R 2 is a hydrogen atom, a lower alkyl group, a carboxyl group, Represents a xycarbol group, a hydroxyalkyloxycarbol group, a cyano group or a halogen atom
- R 3 represents a hydrogen atom, a lower alkyl group, a haloalkyl group, a hydroxyl group, or an aryl group which may have a substituent.
- Aliphatic heterocyclic group, aromatic heterocyclic group, halogen atom, alkyloxycarbol group, hydroxyalkyloxycarbol group, sulfo group, cyano group, cyano-containing group, acyloxy group, carboxyl group , A carboxyalkyl group, an aldehyde group, an amino group, an aminoalkyl group, a rubamoyl group, an N-alkyl rubamoyl group or a hydroxyalkyl group, and R 2 and R 3 are bonded to each other and -C C -When combined with to form an aliphatic ring. )
- the lower alkyl group represented by R 1 —R 3 may be any of linear, branched and cyclic, for example, alkyl having 16 carbon atoms.
- the carboxyalkyl group represented by R 1 and R 2 includes, for example, those in which a part of the hydrogen atoms of the lower alkyl group has been substituted with a carboxyl group as described above. Examples include a methyl group, a carboxyethyl group, a carboxypropyl group, a carboxybutyl group, a carboxypentyl group, and a carboxyhexyl group.
- the alkyloxycarbyl group represented by R 1 —R 3 is preferably, for example, those having 2 to 11 carbon atoms, specifically, for example, methoxycarbol group, ethoxycarbol group , Propoxycarbol group, butoxycarbol group, pentyloxycarbol group, hexyloxycarbol group, heptyloxycarbol group, 2-ethylhexyloxycarbonyl group, octyloxycarbol A benzyl group, a noroxycarbol group and a decyloxycarbonyl group.
- hydroxyalkyloxycarbol group represented by R 1 to R 3 part of the hydrogen atoms of the above-mentioned alkyloxycarbol group having 2 to 11 carbon atoms is replaced with a hydroxyl group.
- a hydroxymethyloxycarbol group a hydroxyethyloxycarbol group, a hydroxypropyloxycarbol group, Xybutyloxycarbol, hydroxypentyloxycarbol, hydroxyhexyloxycarbol, hydroxyheptyloxycarbol, hydroxyoctyloxycarbol, hydroxyno- A carboxy group, a hydroxydecyl carboxy group and the like.
- halogen atom represented by R 2 and R 3 for example, fluorine, chlorine, bromine, and iodine.
- the haloalkyl group represented by R 3 is halogenated (eg, fluorinated, chlorinated, brominated, iodized, etc.)
- halogenated eg, fluorinated, chlorinated, brominated, iodized, etc.
- Specific examples include those having a carbon number of 16 and specifically, for example, a chloromethyl group, a bromomethyl group, a trifluoromethyl group, a 2-chloroethyl group, a 3-chloropropyl group, a 3-bromopropyl group, Examples thereof include a 3,3-trifluoropropyl group, a 4-chlorobutyl group, a 5-chloropentyl group, and a 6-chlorohexyl group.
- Examples of the aryl group of the aryl group which may have a substituent include a phenyl group, a tolyl group, a xylyl group, and a naphthyl group.
- the substituent includes, for example, an amino group
- Examples include a hydroxyl group, a lower alkoxy group, and a carboxyl group.
- Specific examples of the substituted aryl group include, for example, an aminophenyl group, a toluidino group, a hydroxyphenyl group, a methoxyphenyl group, a tert-butoxyphenyl group, a carboxyphenyl group and the like.
- the aliphatic heterocyclic group is, for example, a 5-membered ring or a 6-membered ring, which contains, as isomer atoms, 13 hetero atoms such as a nitrogen atom, an oxygen atom, and a sulfur atom. More specifically, for example, 2_oxopyrrolidyl group or pyrrolidyl_2_one group (which name is better?), Piperidyl group, piperidino group, piperazyl group, morpholino group, etc. .
- the aromatic heterocyclic group is, for example, a 5-membered ring or a 6-membered ring, which contains, as isomer atoms, 13 hetero atoms such as a nitrogen atom, an oxygen atom, and a sulfur atom.
- Specific preferred examples include a pyridyl group, an imidazolyl group, a thiazolyl group, a furyl group, a vinylan group and the like.
- Examples of the cyanoalkyl-containing group include one of the hydrogen atoms of a lower alkyl group as described above. And n is an integer from 1 to 3. Specific examples include those in which a part is substituted with a cyano group. And a cyanopantyl group and a 6-cyanohexyl group.
- acyloxy group examples include those derived from a carboxylic acid having 2 to 20 carbon atoms. Specific examples include an acetyloxy group, a propio-oxy group, a butyryloxy group, a pentanoyloxy group, a nonanoyloxy group, Decanoyloxy group, benzoyloxy group and the like.
- aminoalkyl group examples include those in which a part of hydrogen atoms of a lower alkyl group as described above is substituted with an amino group.
- an aminomethyl group, an aminoethyl group, an aminopropyl group examples include an aminobutyl group, an aminopentyl group, and an aminohexyl group.
- N-alkyl rubamoyl group examples include those in which a hydrogen atom of the rubamoyl group is partially substituted with an alkyl group.
- Specific examples include an N-methylcarbamoyl group and an N-ethyl A carbamoyl group, a Nn-propyl-based rubamoyl group, an N-isopropyl-based rubamoyl group, an Nn-butyl carbamoyl group, an Nt-butyl carbamoyl group, and the like.
- hydroxyalkyl group examples include those in which a part of the hydrogen atoms of the above-mentioned lower alkyl group has been substituted with a hydroxyl group.
- Specific examples include a hydroxymethyl group, a hydroxyethyl group, and a hydroxypropyl Group, hydroxybutyl group, hydroxypentyl group, hydroxyhexyl group and the like.
- the ring may be monocyclic or polycyclic. Specific examples of these rings include a norbornene ring, a cyclopentene ring, a cyclohexene ring, a cyclootaten ring, and a cyclodecene ring.
- Specific examples of the monomer represented by the general formula [1] include, for example, ethylenically unsaturated aliphatic hydrocarbons having 2 to 20 carbon atoms such as ethylene, propylene, butylene, and isobutylene; Eighteen-carbon ethylenically unsaturated aromatic hydrocarbons such as -methylstyrene, 4-ethylstyrene, dibutylbenzene, etc., such as vinyl formate, vinyl acetate, butyl propionate, and isopropyl acetate 3-20 alkenyl esters, eg
- halogen-containing ethylenically unsaturated compounds having 2 to 20 carbon atoms such as Shii-Dani-Bull, Shii-Dani-Vylidene, bi-lidene fluoride, tetrafluoroethylene, etc., for example, acrylic acid, methacrylic acid, itaconic acid, maleic acid C3-20
- a salt such as methyl methacrylate
- ethylenically unsaturated aldehydes having 3 to 20 carbon atoms such as acrolein and crotonaldehyde
- ethylenically unsaturated sulfonic acids having 2 to 20 carbon atoms such as butyl sulfonic acid and 4-burbenzene sulfonic acid
- These acids are in the form of salts, for example, alkali metal salts such as sodium and potassium. May be used.
- C2-20 ethylenically unsaturated aliphatic amines such as buramine and arylamine
- C8-20 ethylenically unsaturated aromatics such as burua-phosphorin.
- Amines for example, N-butylpyrrolidone, bulpiperidine, etc., 5-20 carbon-ethylenically unsaturated aliphatic heterocyclic amines, for example, 3-20 ethylenic, such as allyl alcohol and crotyl alcohol.
- unsaturated alcohols for example, ethylenically unsaturated phenols having 8 to 20 carbon atoms such as 4-vinylphenol.
- the deuteration of the present invention makes it difficult for the carrier itself to be deuterated, but it is desirable to use a polymer, but the deuteration itself can be used.
- a catalyst supported on a carrier can also be used in the deuteration of the present invention.
- the ratio of the catalytic metals palladium, platinum, rhodium, iridium, ruthenium, nickel or cobalt is usually 119% by weight of the whole, preferably. More preferably, it is 1 to 50% by weight, more preferably 1 to 30% by weight, still more preferably 1 to 20% by weight, particularly preferably 5 to 10% by weight.
- the catalyst mixture ratio of the mixed catalyst according to the present invention may be any ratio, but is preferably 1:99 to 99: 1, more preferably 1: 9 to 9: 1. In the case where deuteration is performed using the mixed catalyst, the deuteration rate is improved as compared with the case where the single catalyst is used.
- the mixing ratio is usually set to 1:99 to 99: 1, preferably 1: 9 to 9: 1 as a metal amount. Just mix.
- the metal weight ratio of the amount of palladium metal of palladium carbon to the amount of platinum metal of platinum carbon is usually 1:99 to 99: 1, preferably, The ratio may be 1: 9 to 9: 1, more preferably 1: 5 to 5: 1, still more preferably 1: 2 to 2: 1, and particularly preferably 1: 1.
- the amount of the activated mixed catalyst or the non-activated mixed catalyst used depends on whether or not the mixed catalyst is supported on a carrier or the like. Based on the compound having an aromatic ring and Z or a heterocyclic ring used as a substrate, a so-called catalytic amount is generally preferred, and then preferably 0.01 to 200% by weight, 0.01 to 100% by weight, 0.01 to 50% by weight, and 0.01 to 20% by weight. , 0.1 to 20% by weight, 1 to 20% by weight, 10 to 20% by weight, and the upper limit of the amount of the catalyst metal contained in the whole catalyst is preferably 20% by weight, 10% by weight, 5% by weight. % And 2% by weight, and the lower limit is preferably 0.0005% by weight, 0.005% by weight, 0.05% by weight and 0.5% by weight.
- the amount of hydrogen gas used is too large.
- the deuterated solvent serving as a deuterium source may be hydrogenated and adversely affect the deuteration reaction of the present invention, the deuterated solvent may be slightly larger than the amount required for deactivating the catalyst.
- the activation of the catalyst can be carried out efficiently, and the amount of such hydrogen gas is usually 11 to 20 000 equivalents, preferably 10 to 700 equivalents to the catalyst.
- the amount of deuterium used may be an amount necessary for the activity of the catalyst, and the amount is usually Since the deuterium is in contact with the deuterated solvent in the reaction system in an amount of 1 to 20000 equivalents, preferably 10 to 700 equivalents to the catalyst, the solvent is further deuterated. There is also an effect, and the deuteration of the present invention can be performed without any problem even if the amount used is large.
- the lower limit of the reaction temperature of the deuteration method of the present invention is usually from 10 ° C, and more preferably 20 ° C in order.
- Pressurizing the reaction system may be performed using hydrogen gas or deuterium gas for activating the catalyst.
- the reaction system may be further pressurized using an inert gas such as nitrogen gas or argon gas. Is also good.
- the reaction time of the deuteration of the present invention is usually 30 minutes to 100 hours, preferably 1 to 50 hours, more preferably 1 to 30 hours, and further preferably 3 to 30 hours.
- deuteration method of the present invention will be described using an example in which heavy water is used as a deuterium source and an unactivated mixed catalyst of a palladium catalyst and a platinum catalyst is used.
- a compound (substrate) having an aromatic ring and Z or a heterocyclic ring a mixed catalyst (1: 1) (palladium metal) having 0.01 to 200% by weight of a palladium catalyst and platinum catalytic power based on the substrate. 0.0005 to 20% by weight of the total amount of platinum metal and the substrate) to a deuterated solvent (an amount of 1 to 20000 equivalents, preferably 10 to 700 equivalents based on the mixed catalyst).
- a deuterated solvent an amount of 1 to 20000 equivalents, preferably 10 to 700 equivalents based on the mixed catalyst.
- the product is isolated from the reaction solution. This may be carried out according to a known purification method, for example, by extracting a reaction liquid product with an organic solvent or the like in which the product is dissolved, and removing the mixed catalyst by filtration.
- the deuteration method of the present invention may be performed using a mixed catalyst that has been activated in advance as an activated mixed catalyst and using a deuterated solvent as a deuterium source. Therefore, even when a compound having an aromatic ring and Z or a heterocyclic ring has a halogen atom as a substituent, the halogen atom is not substituted with a hydrogen atom or a deuterium atom.
- the deuteration rate of the hydrogen atom at the ortho position in the compound having an aromatic ring is often such that the activated palladium catalyst alone and the activated platinum catalyst alone deuterate.
- the deuteration rate in the case of performing deuteration using an activated mixed catalyst of a palladium catalyst and a platinum catalyst is much higher than that in the case of A synergistic effect can be obtained by using a mixed catalyst.
- the deuteration ratio of the hydrogen atom of the carbon atom on the heterocyclic ring adjacent to the carbon atom to which the substituent is bonded is often increased.
- the deuteration was performed with only the palladium catalyst and the activated platinum catalyst alone, the deuteration was performed using the activated mixed catalyst of the palladium catalyst and platinum catalyst based on the deuteration rate.
- the deuteration ratio is much higher, and a synergistic effect can be obtained by using a mixed catalyst.
- Example 1 A deuteration reaction was performed in the same manner as in Example 1 except that 100 mg of platinum carbon was used as a catalyst. The results are shown in Table 1. [0190] Comparative Example 1 3.
- the deuteration reaction was performed in the same manner as in Example 1 except that 500 mg of 5-phenylvaleric acid deuterated in Comparative Example 12 was used as a reaction substrate, and 50 mg of palladium carbon was used as a catalyst. .
- the results are shown in Table 1.
- a deuteration reaction was performed in the same manner as in Example 1, except that 500 mg of 5-phenylbutyric acid was used instead of 5-phenylvaleric acid as a reaction substrate.
- Table 2 shows the results.
- Example 2 A deuteration reaction was carried out in the same manner as in Example 2 except that 50 mg of palladium carbon was used as a catalyst. The results are shown in Table 2.
- Example 3 A deuteration reaction was performed in the same manner as in Example 1 except that 500 mg of 4-n-propylbenzoic acid was used instead of 5-phenylvaleric acid as a reaction substrate. Table 3 shows the results.
- a deuteration reaction was performed in the same manner as in Example 1 except that 500 mg of 2-n-propylphenol was used instead of 5-phenylvaleric acid as a reaction substrate. Table 4 shows the results.
- a deuteration reaction was carried out in the same manner as in Example 1 except that 500 mg of 4-n-propylphenol was used instead of 5-phenylvaleric acid as a reaction substrate. Table 5 shows the results.
- a deuteration reaction was performed in the same manner as in Example 5, except that 50 mg of palladium carbon was used as a catalyst. The results are shown in Table 5.
- a deuteration reaction was carried out in the same manner as in Example 1, except that 500 mg of 2-n-propylphenyl was used instead of 5-phenylvaleric acid as a reaction substrate. Table 6 shows the results.
- Example 6 A deuteration reaction was carried out in the same manner as in Example 6, except that 50 mg of palladium carbon was used as a catalyst. The results are also shown in Table 6. [0211] Comparative Example 6-2.
- a deuteration reaction was carried out in the same manner as in Example 1, except that 500 mg of 4-n-propylphenyl was used instead of 5-phenylvaleric acid as a reaction substrate. Table 7 shows the results.
- Example 8 A deuteration reaction was carried out in the same manner as in Example 1 except that 500 mg of ⁇ , ⁇ -dimethylaline was used instead of 5-phenylvaleric acid as a reaction substrate. Table 8 shows the results. [0218] Comparative Example 8-1.
- a deuteration reaction was carried out in the same manner as in Example 1 except that nicotinic acid (500 mg) was used instead of 5-phenylvaleric acid as a reaction substrate. Table 9 shows the results.
- Example 9 A deuteration reaction was carried out in the same manner as in Example 9 except that 50 mg of palladium carbon was used as a catalyst. The results are also shown in Table 9.
- a deuteration reaction was performed in the same manner as in Example 1 except that 500 mg of 4-dimethylaminopyridine was used instead of 5-phenylvaleric acid as a reaction substrate. Table 10 shows the results.
- a hydrogen atom ortho to a substituent on an aromatic ring or a heterocyclic ring, or a dialkyl bonded to an aromatic ring or a heterocyclic ring for example, Even if the deuteration rate of the hydrogen atom of the substituent such as an amino group and the deuteration rate of palladium carbon alone and the deuteration rate of platinum carbon alone in the comparative example were totaled, the mixed catalyst was used. In this case, the deuteration rate does not reach the deuteration rate of the embodiment, and it is a component of the fact that a synergistic effect of deuteration occurs by using a plurality of catalysts in combination.
- a compound having an aromatic ring and Z or a hetero ring is activated by using an activated palladium catalyst, a platinum catalyst, a rhodium catalyst, an iridium catalyst, a ruthenium catalyst, a nickel catalyst and a cobalt catalyst.
- a compound having an aromatic ring and Z or a heterocyclic ring is deuterated, a hydrogen atom on an aromatic ring or a heterocyclic ring, or a hydrogen atom in an alkylene chain bonded to an aromatic ring / heterocyclic ring
- a compound having a high deuteration rate of a hydrogen atom of a substituent such as an alkylamino group can be easily obtained.
- the deuteration method of the present invention it is difficult to increase the deuteration rate by the conventional method, and the hydrogen atom at the ortho position on the aromatic ring with respect to the substituent bonded to the aromatic ring,
- a hydrogen atom of a carbon atom on a heterocycle adjacent to a carbon atom to which a substituent is bonded can be extremely efficiently deuterated.
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Abstract
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JP2005517204A JP4839839B2 (ja) | 2004-01-23 | 2004-12-21 | 混合触媒を用いた重水素化方法 |
EP04807406A EP1707548A4 (en) | 2004-01-23 | 2004-12-21 | DEUTERIZATION PROCEDURE USING A MIXED CATALYST |
US10/585,629 US9255070B2 (en) | 2004-01-23 | 2004-12-21 | Method of deuteration using mixed catalyst |
CA002553376A CA2553376A1 (en) | 2004-01-23 | 2004-12-21 | Method of deuteration using mixed catalyst |
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EP (1) | EP1707548A4 (ja) |
JP (1) | JP4839839B2 (ja) |
KR (1) | KR20060129284A (ja) |
CN (1) | CN1906143A (ja) |
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Cited By (5)
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JP2005097239A (ja) * | 2003-08-20 | 2005-04-14 | Kyoto Univ | 重水素化された炭化水素系化合物の製造方法 |
WO2008066158A1 (fr) * | 2006-12-01 | 2008-06-05 | Wako Pure Chemical Industries, Ltd. | Procédé de deutérisation d'alcane |
WO2009096555A1 (ja) * | 2008-02-01 | 2009-08-06 | Taiyo Nippon Sanso Corporation | 重水素化された芳香環又は複素環を有する化合物の製造方法 |
JP2014111561A (ja) * | 2012-08-10 | 2014-06-19 | Wako Pure Chem Ind Ltd | 芳香族化合物の重水素化方法 |
JP2014524888A (ja) * | 2011-05-23 | 2014-09-25 | サノフイ | N−アルキル基を含有するジュウテリウム化化合物の製造方法 |
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- 2004-12-21 CN CNA2004800408744A patent/CN1906143A/zh active Pending
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WO2008066158A1 (fr) * | 2006-12-01 | 2008-06-05 | Wako Pure Chemical Industries, Ltd. | Procédé de deutérisation d'alcane |
WO2009096555A1 (ja) * | 2008-02-01 | 2009-08-06 | Taiyo Nippon Sanso Corporation | 重水素化された芳香環又は複素環を有する化合物の製造方法 |
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KR20060129284A (ko) | 2006-12-15 |
EP1707548A1 (en) | 2006-10-04 |
CN1906143A (zh) | 2007-01-31 |
US9255070B2 (en) | 2016-02-09 |
EP1707548A4 (en) | 2007-08-15 |
TW200533630A (en) | 2005-10-16 |
JP4839839B2 (ja) | 2011-12-21 |
CA2553376A1 (en) | 2005-08-04 |
US20080234488A1 (en) | 2008-09-25 |
JPWO2005070853A1 (ja) | 2007-12-27 |
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