WO1998012186A1 - Procede de preparation d'ethers glycidyliques - Google Patents
Procede de preparation d'ethers glycidyliques Download PDFInfo
- Publication number
- WO1998012186A1 WO1998012186A1 PCT/JP1997/003221 JP9703221W WO9812186A1 WO 1998012186 A1 WO1998012186 A1 WO 1998012186A1 JP 9703221 W JP9703221 W JP 9703221W WO 9812186 A1 WO9812186 A1 WO 9812186A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- glycidyl
- glycidyl ether
- alcohol
- producing
- added
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/12—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
- C07D303/18—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals
- C07D303/20—Ethers with hydroxy compounds containing no oxirane rings
- C07D303/22—Ethers with hydroxy compounds containing no oxirane rings with monohydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/27—Condensation of epihalohydrins or halohydrins with compounds containing active hydrogen atoms
- C07D301/28—Condensation of epihalohydrins or halohydrins with compounds containing active hydrogen atoms by reaction with hydroxyl radicals
Definitions
- the present invention relates to a method for producing glycidyl ether, which is important as a synthetic intermediate for pharmaceuticals and biologically active substances, and an optically active form thereof.
- Glycidyl ether is an important synthetic intermediate in the production of various pharmaceuticals.
- so-called -receptor blockers which are frequently used as cardiovascular drugs, especially as antiarrhythmic drugs and antihypertensive drugs, are basically produced using glycidyl ether as an important intermediate.
- this glycidyl ether has been produced by reacting the corresponding alcohol with an epoxy compound such as epichlorohydrin / glycidyl p-toluenesulfonate.
- an epoxy compound such as epichlorohydrin / glycidyl p-toluenesulfonate.
- the reaction is carried out in the presence of an alkali metal base such as sodium hydride / sodium hydroxide or an organic base such as triethylamine or pyridine.
- the glycidyl ether is synthesized by treating the resulting 3-chloro or tosyloxy 2-propanol derivative with a base by reacting it with a catalyst or a mineral acid such as sulfuric acid or a Lewis acid such as tin tetrachloride.
- a catalyst or a mineral acid such as sulfuric acid or a Lewis acid such as tin tetrachloride.
- an epoxy compound such as epichlorohydrin / glycidyl p-toluenesulfonate must be used in excess, which is not economical.
- a strong base such as sodium hydride / sodium hydroxide
- the post-treatment such as neutralization
- the use of sodium hydride entails the risk of ignition in the post-treatment.
- the reaction process is multi-step and complicated. Further, in the case of an aryl group having a substituent which is unstable under acidic or basic conditions, a high yield cannot be expected.
- glycidyl ether has an asymmetric carbon and has optical isomerism.
- studies have been made on each optically active substance. That is, it is extremely important to establish a method for easily producing optically active compounds of these series of compounds with high optical purity.
- optically active epichlorohydrin, glycidyl p-toluenesulfonate, and glycidyl m-nitrobenzenesulfonate have been studied in combination with various bases 5 '. . Examples of these are disclosed in Japanese Patent Publication No. Hei 11-212282, Japanese Patent Laid-open No.
- the present inventors have conducted intensive studies to solve the above problems, and as a result, when producing an glycidyl ether by reacting an epoxide compound with an alcohol and performing the reaction in the presence of a fluorine salt, a good yield is obtained. It has been found that the desired compound can be easily obtained, and the present invention has been completed.
- Optically active epoxy compounds When used in the form of a body, the target compound obtained can be obtained as an optically active substance with almost no racemization.
- R represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic group, or a substituted or unsubstituted heterocyclic group.
- the halogen atom represented by the substituent X of the epoxy compound represented by the formula (1) includes a chlorine atom, a bromine atom and an iodine atom, and is preferably a chlorine atom and a bromine atom.
- the sulfonyloxy group represented by X is preferably an unsulfated or substituted alkylsulfonyl group having 1 to 10 carbon atoms such as a methanesulfonyloxy group and a trifluoromethanesulfonyloxy group.
- epoxy compound (1) examples include: epichlorohydrin, epibu mouth mohydrin, glycidyl methanesulfonate, glycidyl trifluoromethanesulfonate, glycidylethanesulfonate, glycidylpropanesulfonate, glycidylbutanesulfonate, Glycidylphenyl methanesulfonate, glycidyl p-trifluoromethylbenzenesulfonate, glycidylbenzenesulfonate, glycidyl p-toluenesulfonate, glycidyl 2,4,6-triisopropylbenzenesulfonate, glycidyl p-tert-Butylbenzenesulfonate, glycidyl p-chlorobenzenesulfonate, glycidyl p-bromo
- Examples of the alcohol represented by the formula (2) include methanol, ethanol, and prono.
- Alkanol, butanol, isopropyl alcohol, isobutyl alcohol, t-butyl alcohol, sec-butyl alcohol such as alkyl alcohols having 1 to 10 carbon atoms, benzyl alcohol, 1-phenylethyl alcohol, ⁇ -phenylethyl alcohol, etc.
- alkyl alcohols substituted with a phenyl group having a substituent such as p-methoxybenzyl alcohol and p-nitrobenzyl alcohol.
- Aromatic alcohols are also used. Examples include phenol and aromatic alcohols having a substituent.
- the substituent is not particularly limited and can be applied in a wide range.
- saturated or unsaturated alkyl groups such as methyl, ethyl, and aryl, methoxymethyl, 2-methoxyl, aryloxymethyl, (2-methoxetoxy) methyl, (2-isopropoxhetoxy) methyl, etc.
- Alkyl groups having an ether bond halogen groups such as nitro group, fluoro, chloro, bromo and oxy groups, alkoxy groups such as trifluoromethyl group, methoxy, aryloxy, methoxymethoxy, cyano groups, etc.
- Alkoxycarbonyl groups such as cyanomethyl group, methoxycarbonyl, ethoxycarbonyl, etc .; Groups. It may form a ring such as a tetramethylene group or a methylenedioxy group.
- the other substituent described above may be bonded to the alkyl group of the above substituent. Also, a plurality of the above substituents may be simultaneously bonded.
- the aromatic alcohol includes a polycyclic aromatic compound having a hydroxyl group.
- a heterocyclic compound having a hydroxyl group can also be used. These include, for example, polycyclic aromatic alcohols such as ⁇ -naphthol, /?-Naphthol, 7-hydroxyindene, 3-hydroxypyridine, 3-hydroxytetrahydrofuran, and 4-hydroxy. Examples include a heterocyclic compound substituted with a hydroxyl group such as indole and 5-hydroxyquinoline.
- an aromatic alcohol or a heterocyclic compound having a hydroxyl group is preferable. More preferred are 0-arylphenol, 0-aryloxyphenol, 4-hydroxyindole, p- (2-isopropoxyethoxy) methylphenol, ⁇ -naphthol, and ⁇ -potamoylmethylphenol.
- the amount of the alcohol (2) to be used is 0.5-3 equivalents, preferably 0.8-1.2 equivalents, to the epoxy compound (1). It is safe to use more than 3 equivalents, but it is not economical. On the other hand, if the amount used is less than 0.5 equivalent, excess unreacted epoxy compound remains in the reaction solution, resulting in poor economy.
- the fluorine salt used in this reaction is preferably a quaternary ammonium salt of fluorine, an alkali metal salt of fluorine or an alkaline earth metal salt of fluorine, and an alkali metal salt of fluorine or an alkaline earth metal salt of fluorine. More preferably, they may be used alone or in a mixture of two or more. Furthermore, the target compound can be obtained in the same manner by using the compound supported on a suitable carrier.
- Examples of quaternary ammonium salts of fluorine include tetramethylammonium fluoride, tetraethylammonium fluoride, tetrabutylammonium fluoride, tetraoctylammonium fluoride, and benzyltrimethylammonium fluoride. And the like.
- Examples of alkali metal salts of fluorine include sodium fluoride, potassium fluoride, and cesium fluoride.
- Examples of the alkaline earth metal salts of fluorine include magnesium fluoride and calcium fluoride.
- Examples of the carrier include celite, alumina, silica gel, molecular sieves, and modified ones thereof.
- the amount of the fluorine salt used is preferably 0.5 to 6 equivalents to the epoxy compound (1). More preferably, it is 0.9 to 6 equivalents. When the amount is less than 0.5 equivalent, the reaction is not completed, and when the amount exceeds 6 equivalents, stirring becomes difficult, which is not preferable. In addition, when the hydrogen carbonate or carbonate of an alkali metal or alkaline earth metal described below is used in combination with a fluorine salt, the amount of the fluorine salt used is reduced to 0.05 equivalent to the epoxy compound. be able to. If the amount is less than 0.05 equivalent, the reaction proceeds, but the reaction time becomes long and is not practical.
- Solvents used in this reaction include non-protonic polar solvents such as N, N-dimethylformamide, dimethylsulfoxide, sulfolane, and hexamethylphosphoramide, and ester solvents such as ethyl acetate and butyl acetate.
- non-protonic polar solvents such as N, N-dimethylformamide, dimethylsulfoxide, sulfolane, and hexamethylphosphoramide
- ester solvents such as ethyl acetate and butyl acetate.
- This reaction proceeds without a catalyst, but N, N-dimethylaminopyridine, cesium iodide, potassium bromide, sodium bromide, magnesium bromide, calcium bromide, potassium iodide, sodium iodide, iodide
- cesium iodide potassium bromide, sodium bromide, magnesium bromide, calcium bromide, potassium iodide, sodium iodide, iodide
- a quaternary ammonium salt such as 18—Crown-6, accelerates the reaction.
- the amount is 0.1 to 5 0 mole 0/0 of the alcohol (2).
- a weak base such as hydrogen carbonate or carbonate of alkaline metal or alkaline earth metal as an acid trapping agent accelerates the reaction and reduces the amount of fluorine salts used.
- a sodium or alkaline earth metal such as sodium bicarbonate, sodium bicarbonate, sodium carbonate, potassium carbonate, calcium carbonate, magnesium carbonate, barium carbonate, etc.
- the addition of carbonate is effective.
- the amount of these used is not particularly limited, but is usually 0.1 to 10 equivalents, and preferably about 1 to 3 equivalents, to the alcohol (2).
- the reaction temperature is between 150 ° C. and the power s which is the boiling point of the solvent, preferably between 110 ° C. and 100 ° C. Progress too low and the reaction is extremely slow, if too high, the decomposition of the raw material or product occurs yield strength? Decreases. Further, when an optically active substance is used as an epoxy compound as a raw material, if the temperature exceeds 100 ° C., racemization proceeds, which is not preferable.
- post-treatment is performed by filtering the insoluble material, adding water and extracting the desired product with an organic solvent, or filtering the insoluble material, then distilling off the solvent and distilling, recrystallizing, or column chromatography. It is very simple, such as a method for purification. Therefore, unlike the conventional case, the excess of a strong base is carefully reacted with water or dilute hydrochloric acid, and no complicated treatment such as a neutralization treatment and an extraction step is required.
- an optically active epoxy compound is used as the starting epoxy compound, an optically active glycidyl ether can be obtained.
- an epoxy compound having high optical purity is used as a raw material, a remarkable racemization reaction does not occur during the reaction, and a glycidyl compound having high optical purity can be synthesized.
- 0-aryloxyphenol 1.0 was dissolved in 15 ml of acetonitrile and cooled to 0C. 2 g of potassium fluoride / alumina prepared in Production Example 1 was added, and the mixture was stirred for 1 hour. Next, 1.73 g of 99.3% ee R-glycidyl m -two-port benzenesulfonate was added, and the mixture was stirred at the same temperature for 30 hours.
- the precipitated crystals were collected by suction filtration and washed with water, and the obtained crystals were dried in a vacuum drier to obtain 39.8 g of crude S—1 [p— (Rubamoylmethyl) phenoxy] -1,2,3-epoxypropane. .
- the optical purity was measured by using a Chira1ce1OD column manufactured by Daicel Chemical Industries, and was 91.2% ee.
- glycidyl ether which is important as a synthetic intermediate for pharmaceuticals and biologically active substances, can be produced very simply and in high yield.
- an optically active epoxy compound when used, a remarkable racemization reaction does not occur, and the target compound can be obtained with high optical purity.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epoxy Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69717653T DE69717653T2 (de) | 1996-09-18 | 1997-09-12 | Verfahren zur herstellung von glycidylethern |
JP51449898A JP3348860B2 (ja) | 1996-09-18 | 1997-09-12 | グリシジルエーテルの製造法 |
US09/147,715 US6087512A (en) | 1996-09-18 | 1997-09-12 | Process for preparation of glycidyl ether |
EP97940360A EP0930307B1 (en) | 1996-09-18 | 1997-09-12 | Process for the preparation of glycidyl ethers |
CA002263267A CA2263267C (en) | 1996-09-18 | 1997-09-12 | Process for the preparation of glycidyl ethers |
AT97940360T ATE229011T1 (de) | 1996-09-18 | 1997-09-12 | Verfahren zur herstellung von glycidylethern |
AU42199/97A AU4219997A (en) | 1996-09-18 | 1997-09-12 | Process for the preparation of glycidyl ethers |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24620396 | 1996-09-18 | ||
JP8/246203 | 1996-09-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998012186A1 true WO1998012186A1 (fr) | 1998-03-26 |
Family
ID=17145057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/003221 WO1998012186A1 (fr) | 1996-09-18 | 1997-09-12 | Procede de preparation d'ethers glycidyliques |
Country Status (9)
Country | Link |
---|---|
US (1) | US6087512A (ja) |
EP (1) | EP0930307B1 (ja) |
JP (1) | JP3348860B2 (ja) |
AT (1) | ATE229011T1 (ja) |
AU (1) | AU4219997A (ja) |
CA (1) | CA2263267C (ja) |
DE (1) | DE69717653T2 (ja) |
TW (1) | TW534907B (ja) |
WO (1) | WO1998012186A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001316385A (ja) * | 2000-03-03 | 2001-11-13 | Daiso Co Ltd | 1,4−ベンゾジオキサン誘導体の製造法 |
WO2011152251A1 (ja) * | 2010-06-03 | 2011-12-08 | 昭和電工株式会社 | 脂環式モノアリルエーテルモノグリシジルエーテル化合物 |
JPWO2013187406A1 (ja) * | 2012-06-11 | 2016-02-04 | アステラス製薬株式会社 | 4,4,7−トリフルオロ−1,2,3,4−テトラヒドロ−5h−1−ベンゾアゼピン化合物の製造方法及びその合成中間体 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006137773A1 (en) * | 2005-06-20 | 2006-12-28 | Astrazeneca Ab | Process for the isolation of 4-(oxiranylmethoxy)-benzonitriles |
CN112194587A (zh) * | 2020-11-18 | 2021-01-08 | 江苏悦兴医药技术有限公司 | 一种手性富马酸比索洛尔的制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01102072A (ja) * | 1987-10-16 | 1989-04-19 | Nippon Kayaku Co Ltd | エポキサイド誘導体の製造法 |
JPH0377856A (ja) * | 1989-08-18 | 1991-04-03 | Daiso Co Ltd | 光学活性アテノロール及びその中間体の製法 |
JPH07179447A (ja) * | 1993-12-22 | 1995-07-18 | Kao Corp | グリシジルエーテル類の製造法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2061588A (en) * | 1987-09-07 | 1989-03-09 | Imperial Chemical Industries Plc | Phenol ester of xamoterol |
US4876257A (en) * | 1988-03-03 | 1989-10-24 | Ortho Pharmaceutical Corporation | 6-Substituted purinyl piperazine derivatives useful as cardiotonic and antiarrhythmic agents |
US4885300A (en) * | 1988-03-03 | 1989-12-05 | Ortho Pharmaceutical Corporation | 4-Substituted pyrazolo[3,4-D]pyrimidine derivatives |
NZ237766A (en) * | 1990-04-23 | 1993-03-26 | Ortho Pharma Corp | Process for preparing optically active isomers of 6-substituted purinyl-piperazine or -piperidine derivatives; optically active intermediates |
KR920012062A (ko) * | 1990-12-18 | 1992-07-25 | 베르너 발데크 | 글리시딜 에테르의 제조방법 |
-
1997
- 1997-09-12 US US09/147,715 patent/US6087512A/en not_active Expired - Fee Related
- 1997-09-12 WO PCT/JP1997/003221 patent/WO1998012186A1/ja active IP Right Grant
- 1997-09-12 JP JP51449898A patent/JP3348860B2/ja not_active Expired - Fee Related
- 1997-09-12 CA CA002263267A patent/CA2263267C/en not_active Expired - Fee Related
- 1997-09-12 EP EP97940360A patent/EP0930307B1/en not_active Expired - Lifetime
- 1997-09-12 DE DE69717653T patent/DE69717653T2/de not_active Expired - Fee Related
- 1997-09-12 AT AT97940360T patent/ATE229011T1/de not_active IP Right Cessation
- 1997-09-12 AU AU42199/97A patent/AU4219997A/en not_active Abandoned
- 1997-09-17 TW TW086113422A patent/TW534907B/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01102072A (ja) * | 1987-10-16 | 1989-04-19 | Nippon Kayaku Co Ltd | エポキサイド誘導体の製造法 |
JPH0377856A (ja) * | 1989-08-18 | 1991-04-03 | Daiso Co Ltd | 光学活性アテノロール及びその中間体の製法 |
JPH07179447A (ja) * | 1993-12-22 | 1995-07-18 | Kao Corp | グリシジルエーテル類の製造法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001316385A (ja) * | 2000-03-03 | 2001-11-13 | Daiso Co Ltd | 1,4−ベンゾジオキサン誘導体の製造法 |
JP4572475B2 (ja) * | 2000-03-03 | 2010-11-04 | ダイソー株式会社 | 1,4−ベンゾジオキサン誘導体の製造法 |
WO2011152251A1 (ja) * | 2010-06-03 | 2011-12-08 | 昭和電工株式会社 | 脂環式モノアリルエーテルモノグリシジルエーテル化合物 |
JPWO2013187406A1 (ja) * | 2012-06-11 | 2016-02-04 | アステラス製薬株式会社 | 4,4,7−トリフルオロ−1,2,3,4−テトラヒドロ−5h−1−ベンゾアゼピン化合物の製造方法及びその合成中間体 |
Also Published As
Publication number | Publication date |
---|---|
CA2263267A1 (en) | 1998-03-26 |
US6087512A (en) | 2000-07-11 |
AU4219997A (en) | 1998-04-14 |
EP0930307A1 (en) | 1999-07-21 |
DE69717653D1 (de) | 2003-01-16 |
EP0930307B1 (en) | 2002-12-04 |
ATE229011T1 (de) | 2002-12-15 |
EP0930307A4 (en) | 1999-12-15 |
DE69717653T2 (de) | 2003-09-25 |
JP3348860B2 (ja) | 2002-11-20 |
TW534907B (en) | 2003-06-01 |
CA2263267C (en) | 2006-05-02 |
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