JPS6228941B2 - - Google Patents
Info
- Publication number
- JPS6228941B2 JPS6228941B2 JP57057488A JP5748882A JPS6228941B2 JP S6228941 B2 JPS6228941 B2 JP S6228941B2 JP 57057488 A JP57057488 A JP 57057488A JP 5748882 A JP5748882 A JP 5748882A JP S6228941 B2 JPS6228941 B2 JP S6228941B2
- Authority
- JP
- Japan
- Prior art keywords
- carboxylic acid
- isomer
- dimethylcyclopropane
- optically active
- reaction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C61/00—Compounds having carboxyl groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C61/15—Saturated compounds containing halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57057488A JPS58174345A (ja) | 1982-04-06 | 1982-04-06 | 光学活性2,2−ジメチルシクロプロパン−1−カルボン酸ハライドのラセミ化方法 |
EP83301732A EP0091753B1 (en) | 1982-04-06 | 1983-03-28 | Method for racemization of optically active 2,2-dimethylcyclopropane-1-carboxylic acid halide |
DE8383301732T DE3366909D1 (en) | 1982-04-06 | 1983-03-28 | Method for racemization of optically active 2,2-dimethylcyclopropane-1-carboxylic acid halide |
US06/481,946 US4463188A (en) | 1982-04-06 | 1983-04-04 | Method for racemization of optically active 2,2-dimethylcyclopropane-1-carboxylic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57057488A JPS58174345A (ja) | 1982-04-06 | 1982-04-06 | 光学活性2,2−ジメチルシクロプロパン−1−カルボン酸ハライドのラセミ化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58174345A JPS58174345A (ja) | 1983-10-13 |
JPS6228941B2 true JPS6228941B2 (en]) | 1987-06-23 |
Family
ID=13057099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57057488A Granted JPS58174345A (ja) | 1982-04-06 | 1982-04-06 | 光学活性2,2−ジメチルシクロプロパン−1−カルボン酸ハライドのラセミ化方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4463188A (en]) |
EP (1) | EP0091753B1 (en]) |
JP (1) | JPS58174345A (en]) |
DE (1) | DE3366909D1 (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7479363B2 (en) | 2002-04-26 | 2009-01-20 | Tdk Corporation | Optical recording medium and method for optically recording data in the same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1284903C (en) * | 1984-07-18 | 1991-06-18 | Anne Holt | Components for joining or terminating optical fibers |
KR20220140555A (ko) * | 2020-02-11 | 2022-10-18 | 케미노바 에이/에스 | 2-(4-플루오로-3-(트리플루오로메틸)페녹시)부탄산의 분할에 의한 s-베플루부타미드의 제조 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1260847A (en) * | 1968-12-06 | 1972-01-19 | Nat Res Dev | Esters of cyclopropane carboxylic acids |
JPS5234618B2 (en]) * | 1974-06-15 | 1977-09-05 | ||
JPS52144651A (en) * | 1976-05-24 | 1977-12-02 | Sumitomo Chem Co Ltd | Racemization of optical active 2,2-dimethyl-3-(1-alkenyl)-cyclopropane-1-carboxylic acid |
JPS54144332A (en) * | 1978-04-28 | 1979-11-10 | Sumitomo Chem Co Ltd | Racemization of optically active 2-(4-chlorophenyl)-3- methylbutyric acid |
PH16708A (en) * | 1978-07-24 | 1984-01-20 | Merck & Co Inc | Z-2-acylamino-3-monosubstituted propenoates |
-
1982
- 1982-04-06 JP JP57057488A patent/JPS58174345A/ja active Granted
-
1983
- 1983-03-28 EP EP83301732A patent/EP0091753B1/en not_active Expired
- 1983-03-28 DE DE8383301732T patent/DE3366909D1/de not_active Expired
- 1983-04-04 US US06/481,946 patent/US4463188A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
CHEMICAL ABSTRACTS * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7479363B2 (en) | 2002-04-26 | 2009-01-20 | Tdk Corporation | Optical recording medium and method for optically recording data in the same |
Also Published As
Publication number | Publication date |
---|---|
EP0091753B1 (en) | 1986-10-15 |
EP0091753A1 (en) | 1983-10-19 |
DE3366909D1 (en) | 1986-11-20 |
JPS58174345A (ja) | 1983-10-13 |
US4463188A (en) | 1984-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6228941B2 (en]) | ||
US4473703A (en) | Method of epimerization of alkyl chrysanthemate | |
JPH0417937B2 (en]) | ||
CA2013523A1 (en) | Resolution of a carboxylic acid | |
US3910958A (en) | Process for preparing arylacetic acids and esters thereof | |
JPS631935B2 (en]) | ||
JPH0688934B2 (ja) | 光学活性第一菊酸類をラセミ化する方法 | |
HU201293B (en) | Process for racemization of chrysanthemic acid or its esters | |
JPS6217986B2 (en]) | ||
JP2600354B2 (ja) | ラセミ菊酸類の製造方法 | |
JPS5959647A (ja) | 光学活性2,2−ジメチルシクロプロパン−1−カルボン酸エステルのラセミ化方法 | |
US5770767A (en) | Process for producing 2-fluorocyclopropancecarboxlic acid | |
JPS6351137B2 (en]) | ||
JPS6121542B2 (en]) | ||
SU715583A1 (ru) | Способ получени -кремнийорганических ацилалей | |
JPS6312860B2 (en]) | ||
JPH06256227A (ja) | 光学活性な化合物の光学分割法及び光学純度測定方法 | |
US4376871A (en) | Method for purification of cyclopentenolones | |
JPH0662872A (ja) | 光学活性アルコールの製造法 | |
JPH0119376B2 (en]) | ||
JPH0641442B2 (ja) | ラセミートランス第一菊酸エステルの製造方法 | |
JPH0477738B2 (en]) | ||
JP2538231B2 (ja) | 光学活性4−ペンテン−2−オ−ル誘導体の製造方法 | |
JPH0248546A (ja) | ラセミ―トランス―2,2―ジメチル―3―(2,2―ジクロルビニル)―シクロプロパンカルボン酸ハライドの製造方法 | |
JPS615047A (ja) | 第一菊酸のラセミ化法 |