WO2006046691A1 - 4-アミノピリミジン化合物の製造法 - Google Patents
4-アミノピリミジン化合物の製造法 Download PDFInfo
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- WO2006046691A1 WO2006046691A1 PCT/JP2005/019878 JP2005019878W WO2006046691A1 WO 2006046691 A1 WO2006046691 A1 WO 2006046691A1 JP 2005019878 W JP2005019878 W JP 2005019878W WO 2006046691 A1 WO2006046691 A1 WO 2006046691A1
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- methyl
- organic acid
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/32—One oxygen, sulfur or nitrogen atom
- C07D239/42—One nitrogen atom
Definitions
- the present invention relates to a method for producing a 4-aminopyrimidine compound from a 3-substituted or unsubstituted acrylonitrile compound.
- the 4-aminopyrimidine compound is a useful compound as a raw material for pharmaceuticals and agricultural chemicals and as a synthetic intermediate.
- Patent Document 1 Japanese Patent Publication No. 46-22157
- An object of the present invention is to solve the above-mentioned problems, and can produce a 4-aminobilimidine compound by a simple method under mild conditions.
- the object is to provide a method for producing an aminovirimidine compound.
- the present invention relates to ammonia, general formula (1):
- R 1 and R 2 represent a hydrogen atom or a group that may have a substituent and may not participate in the reaction, and R 1 and R 2 are bonded to each other to form a ring.
- Y represents an amino group or OR, wherein R represents a hydrogen atom or a hydrocarbon group,
- R 3 represents a hydrocarbon group
- R 4 represents a hydrogen atom or a hydrocarbon group
- an organic acid compound represented by the general formula (3) is reacted with an organic acid compound represented by the general formula (3) :
- R IT and IT are as defined above.
- an industrially suitable method for producing a 4-aminobilimidine compound capable of producing a 4-aminobilimidine compound by a simple method under mild conditions is provided. I can do it.
- the 3-substituted or unsubstituted acrylonitrile compound used in the reaction of the present invention includes a stereoisomer represented by the following general formula (la) or (lb). And mixtures of these in any proportion are also preferably used in the present invention.
- R is a hydrogen atom or a hydrocarbon group.
- hydrocarbon group For example, alkyl groups such as methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group; cyclopropyl group, cyclobutyl group, cyclopentyl group, cyclo Cycloalkyl groups such as hexyl group, cycloheptyl group, and cyclohexyl group; aralkyl groups such as benzyl group, phenethyl group, and phenylpropyl group; phenyl group, P-tolyl group, naphthyl group, and anthryl group And aryl groups such as These groups include various isomers.
- R 1 and R 2 are hydrogen atoms or groups that do not participate in the reaction which may have a substituent. Specifically, for example, an alkyl group, a cycloalkyl group, an aralkyl group, an aryl group, A halogen atom, a hydroxyl group, an alkoxyl group, an alkylthio group, a nitro group, a cyano group, a carbole group, an amino group or a carboxyl group is shown. R 1 and R 2 may be bonded to each other to form a ring.
- alkyl group examples include a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group, a nonyl group, and a decyl group. These groups include various isomers.
- Examples of the cycloalkyl group include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, and the like.
- Examples of the aralkyl group include benzyl group, phenethyl group, and phenylpropyl group. These groups include various isomers.
- aryl group examples include a phenyl group, a P-tolyl group, a naphthyl group, and an anthryl group. These groups include various isomers.
- halogen atom examples include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- alkoxyl group examples include a methoxyl group, an ethoxyl group, and a propoxyl group. These groups include various isomers.
- alkylthio group examples include a methylthio group, an ethylthio group, and a propylthio group. These groups include various isomers.
- the alkyl group, cycloalkyl group, aralkyl group, aryl group, alkoxyl group and alkylthio group may have a substituent.
- substituents include a substituent formed through a carbon atom, a substituent formed through an oxygen atom, a substituent formed through a nitrogen atom, a substituent formed through a sulfur atom, and a halogen atom.
- Examples of the substituent formed through the carbon atom include alkyl groups such as a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, and a hexyl group; a cyclopropyl group, a cyclobutyl group, and a cyclopentyl group. Group, cyclohexyl group, cyclobutyl group, etc.
- Examples of the substituent formed through the oxygen atom include a hydroxyl group; a methoxyl group, an ethoxyl group, a propoxyl group, a butoxyl group, a pentyloxyl group, a hexyloxyl group, a heptyloxyl group, and a benzyloxyl group.
- Examples of the substituent formed through the nitrogen atom include primary amino groups such as a methylamino group, an ethylamino group, a butylamino group, a cyclohexylamino group, a phenylamino group, and a naphthylamino group; a dimethylamino group, and a jetylamino group.
- dibutylamino groups dibutylamino groups, methylethylamino groups, methylbutylamino groups, diphenylamino groups, secondary amino groups such as N-methyl-N-methanesulfo-amino groups; morpholino groups, piperidino groups, piperazil groups, virazolid groups Heterocyclic groups such as -l, pyrrolidino and indolyl groups; imino groups. These groups include various isomers.
- Examples of the substituent formed through the sulfur atom include a mercapto group; a thioalkoxyl group such as a thiomethoxyl group, a thioethoxyl group, a thiopropoxyl group; a thiophenoxyl group, a thiotoluyloxyl group, a thionaphthyl group And thioaryloxyl groups such as xyl group. These groups include various isomers.
- halogen atom examples include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- the organic acid compound used in the reaction of the present invention is represented by the general formula (2).
- R 3 is a hydrocarbon group. Specifically, for example, a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group.
- Alkyl groups such as nonyl group, nonyl group, decyl group; cycloalkyl groups such as cyclopropyl group, cyclobutyl group, cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclooctyl group; benzyl group, phenethyl group, phenylpropyl An aralkyl group such as a group; a force indicating an aryl group such as a phenyl group, a P-tolyl group, a naphthyl group or an anthryl group, preferably an alkyl group, more preferably a methyl group or an ethyl group. These groups include various isomers.
- R 4 has the same meaning as a hydrogen atom or the hydrocarbon group represented by R 3 described above.
- organic acid compounds include, for example, methyl orthoformate, ethyl orthoformate, metholeate orthoacetate, ethinore onoletoacetate, methylolate onolepropionate, ethinore ononolepropionate, methyl orthobutyrate, ethyl orthobutyrate, ortho Examples thereof include methyl benzoate and ethyl orthobenzoate, and at least one selected from these powerful groups is appropriately used.
- the amount of the organic acid compound used is preferably 1.0 to 15 mol, more preferably 1.1 to 5.0 mol, per 1 mol of the 3-substituted or unsubstituted acrylonitrile compound.
- the reaction of the present invention is carried out in the presence or absence of a solvent.
- the solvent to be used is not particularly limited as long as it does not inhibit the reaction.
- alcohols such as methanol, ethanol, isopropyl alcohol, n-butyl alcohol, t-butyl alcohol, and n-pentyl alcohol are used.
- Amides such as ⁇ , ⁇ -dimethylformamide and ⁇ -methylpyrrolidone; Ureas such as ⁇ , ⁇ '-dimethylimidazolidinone; Sulfoxides such as dimethyl sulfoxide; Fragrances such as benzene, toluene, xylene and mesitylene Group hydrocarbons; ethers such as diethyl ether, tetrahydrofuran, dioxane and the like, preferably alcohols, amides, more preferably methanol, ethanol, ⁇ , ⁇ '-dimethylimidazolidinone. These solvents may be used alone or in combination of two or more.
- the amount of the solvent used is appropriately adjusted depending on the uniformity of the reaction solution, the stirring ability, etc., but is preferably 0 to 50 g, more preferably 3 g to 3-substituted or unsubstituted acrylonitrile compound lg. Is 0 to 20 g, particularly preferably 0 to 5 g.
- the amount of ammonia used in the reaction of the present invention is preferably 1.0 to 100 mol, more preferably 1.1 to 40 mol, particularly 1 mol, relative to 1 mol of the 3-substituted or unsubstituted atta-tolyl compound. Preferably it is 2.0-40 mol, Most preferably, it is 2.1-40 mol.
- the shape of the ammonia to be used is not particularly limited, and any shape of gas or liquid may be used. Alternatively, the ammonia may be used as a solution of an organic solvent (for example, alcohols). The ammonia and ammonia solution having these shapes may be used alone or in combination of two or more.
- the reaction of the present invention is carried out, for example, by a method of mixing and stirring a 3-substituted or unsubstituted acrylonitrile compound, an organic carboxylic acid compound and a solvent in the presence of ammonia.
- the reaction temperature at that time is preferably 40 to 250 ° C, more preferably 50 to 200 ° C, and the reaction pressure is not particularly limited.
- the 4-aminopyrimidine compound obtained by the reaction of the present invention is subjected to, for example, neutralization, extraction, filtration, concentration, distillation, recrystallization, crystallization, column chromatography, etc. after the reaction is completed. It is isolated and purified by a general method.
- reaction solution was concentrated under reduced pressure, and 54.8 g of activated carbon and 747 ml of isopropyl alcohol were added and stirred at 90 ° C. for 1 hour. After completion of stirring, the mixture was filtered and the filtrate was concentrated under reduced pressure. This activated carbon treatment operation was repeated twice. After completion of stirring, the mixture was filtered, and the filtrate was concentrated under reduced pressure. Add 125 ml of isopropyl alcohol and 665 ml of toluene to the concentrate, raise the temperature to 90 ° C to obtain a homogeneous solution, and then cool to 0 ° C to precipitate crystals. It was. The obtained crystals were filtered and dried to obtain 44.2 g of 4-aminopyrimidine (isolation yield: 46.5%) as white crystals with a purity of 99.9% (area percentage by gas chromatography).
- Stainless steel pressure vessel having an internal volume of 10 ml, 96% pure 3-Aminokuroton - tolyl 1.0g (ll .7mmol), methyl orthoformate 2.48 g (23.4 mmol) and 21 mass 0/0 methanolic ammonia dissolved liquid 1.42 g (17.5 mmol) was added and allowed to react with stirring at 130 ° C for 15 hours. After completion of the reaction, the reaction solution was concentrated under reduced pressure, 10 ml of isopropyl alcohol and 660 mg of activated carbon were added to the concentrate, and the mixture was stirred at 90 ° C. for 1 hour and then filtered. To the obtained filtrate was added 660 mg of activated carbon, and the mixture was again stirred at 90 ° C. for 1 hour.
- the present invention relates to a method for producing a 4-aminopyrimidine compound from a 3-substituted or unsubstituted acrylonitrile compound.
- the 4-aminopyrimidine compound is a compound useful as a raw material for pharmaceuticals and agricultural chemicals or a synthetic intermediate, and for example, for producing an amide derivative useful as a pharmaceutical by the method described in JP-A-2003-64056. Can be used.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/666,510 US7619084B2 (en) | 2004-10-28 | 2005-10-28 | Process for preparing 4-aminopyrimidine compound |
JP2006543292A JP4661786B2 (ja) | 2004-10-28 | 2005-10-28 | 4−アミノピリミジン化合物の製造法 |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-313290 | 2004-10-28 | ||
JP2004313290 | 2004-10-28 | ||
JP2004313291 | 2004-10-28 | ||
JP2004-313291 | 2004-10-28 | ||
JP2005-162335 | 2005-06-02 | ||
JP2005162335 | 2005-06-02 |
Publications (1)
Publication Number | Publication Date |
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WO2006046691A1 true WO2006046691A1 (ja) | 2006-05-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/019878 WO2006046691A1 (ja) | 2004-10-28 | 2005-10-28 | 4-アミノピリミジン化合物の製造法 |
Country Status (3)
Country | Link |
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US (1) | US7619084B2 (ja) |
JP (1) | JP4661786B2 (ja) |
WO (1) | WO2006046691A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58134081A (ja) * | 1982-02-04 | 1983-08-10 | Ube Ind Ltd | 4−アミノ−5−ジアルコキシメチルピリミジン誘導体の製法 |
JPS58172375A (ja) * | 1982-04-02 | 1983-10-11 | Yodogawa Seiyaku Kk | ピリミジン誘導体の製造方法 |
JPS60109572A (ja) * | 1983-11-16 | 1985-06-15 | Agency Of Ind Science & Technol | 4−アミノ−2−メチルピリミジンの製造方法 |
JP2003064056A (ja) * | 2001-08-27 | 2003-03-05 | Sankyo Co Ltd | アミド誘導体 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4539403A (en) | 1982-02-16 | 1985-09-03 | Ube Industries, Ltd. | Process for the preparation of a 2-alkyl-4-amino-5-aminomethylpyrimidine |
-
2005
- 2005-10-28 US US11/666,510 patent/US7619084B2/en not_active Expired - Fee Related
- 2005-10-28 WO PCT/JP2005/019878 patent/WO2006046691A1/ja active Application Filing
- 2005-10-28 JP JP2006543292A patent/JP4661786B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58134081A (ja) * | 1982-02-04 | 1983-08-10 | Ube Ind Ltd | 4−アミノ−5−ジアルコキシメチルピリミジン誘導体の製法 |
JPS58172375A (ja) * | 1982-04-02 | 1983-10-11 | Yodogawa Seiyaku Kk | ピリミジン誘導体の製造方法 |
JPS60109572A (ja) * | 1983-11-16 | 1985-06-15 | Agency Of Ind Science & Technol | 4−アミノ−2−メチルピリミジンの製造方法 |
JP2003064056A (ja) * | 2001-08-27 | 2003-03-05 | Sankyo Co Ltd | アミド誘導体 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2006046691A1 (ja) | 2008-05-22 |
US7619084B2 (en) | 2009-11-17 |
US20080045712A1 (en) | 2008-02-21 |
JP4661786B2 (ja) | 2011-03-30 |
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