BE822046A - Racemisation d'acides - Google Patents
Racemisation d'acidesInfo
- Publication number
- BE822046A BE822046A BE150378A BE150378A BE822046A BE 822046 A BE822046 A BE 822046A BE 150378 A BE150378 A BE 150378A BE 150378 A BE150378 A BE 150378A BE 822046 A BE822046 A BE 822046A
- Authority
- BE
- Belgium
- Prior art keywords
- acid racemization
- racemization
- acid
- Prior art date
Links
Classifications
-
- 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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12750273A JPS5337858B2 (cs) | 1973-11-12 | 1973-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE822046A true BE822046A (fr) | 1975-05-12 |
Family
ID=14961548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE150378A BE822046A (fr) | 1973-11-12 | 1974-11-12 | Racemisation d'acides |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3989750A (cs) |
| JP (1) | JPS5337858B2 (cs) |
| BE (1) | BE822046A (cs) |
| CA (1) | CA1025475A (cs) |
| CH (1) | CH615411A5 (cs) |
| DK (1) | DK586374A (cs) |
| FR (1) | FR2250728B1 (cs) |
| GB (1) | GB1448316A (cs) |
| IT (1) | IT1024802B (cs) |
| NL (1) | NL7414766A (cs) |
| SU (1) | SU722479A3 (cs) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4206140A (en) * | 1966-08-26 | 1980-06-03 | Roussel Uclaf | Novel cyclopropanecarboxylic acids and esters |
| 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 |
| JPS57163341A (en) * | 1981-03-30 | 1982-10-07 | Sumitomo Chem Co Ltd | Preparation of racemized cyclopropanecarboxylic acid derivative |
| US4473703A (en) * | 1981-03-30 | 1984-09-25 | Sumitomo Chemical Company, Limited | Method of epimerization of alkyl chrysanthemate |
| JPS5869831A (ja) * | 1981-10-22 | 1983-04-26 | Sumitomo Chem Co Ltd | （＋）−トランス第一菊酸の製造法 |
| DE3565397D1 (en) * | 1984-02-22 | 1988-11-10 | Sumitomo Chemical Co | Method for racemization of chrysanthemic acid or its ester |
| HU200310B (en) * | 1984-06-15 | 1990-05-28 | Sumitomo Chemical Co | Process for racemizing chrisanthemic acid and esters and for transforming raceme cys isomeres into raceme trans isomeres |
| JPS62198643A (ja) * | 1986-02-27 | 1987-09-02 | Sumitomo Chem Co Ltd | ラセミ第一菊酸類の製造法 |
| DE3762613D1 (de) * | 1986-09-04 | 1990-06-13 | Sumitomo Chemical Co | Verfahren zur razemisierung von optisch aktiver chrysanthemsaeure oder ihres esters. |
| DE3867658D1 (de) * | 1987-03-09 | 1992-02-27 | Sumitomo Chemical Co | Verfahren zur racemisierung von optisch aktiver chrysanthemumsaeure oder ihren estern. |
| HU203513B (en) * | 1987-04-28 | 1991-08-28 | Sumitomo Chemical Co | Process for racemizing and trans-isomerizing optically active chrisanthemic acid derivatives |
| JPH0688933B2 (ja) * | 1987-07-17 | 1994-11-09 | 住友化学工業株式会社 | 光学活性第一菊酸類のラセミ化法 |
| US4962233A (en) * | 1988-05-19 | 1990-10-09 | Sumitomo Chemical Co., Ltd. | Process for preparing racemic dihalovinylcyclopropane carboxylic acid halides |
| US5840958A (en) * | 1996-10-17 | 1998-11-24 | Fmc Corporation | 1S to 1R Epimerizations of pyrethroid intermediates |
| CN114539045B (zh) * | 2020-11-18 | 2023-07-21 | 中国科学院大连化学物理研究所 | 一种反式左旋菊酸的消旋化方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2038019A5 (cs) * | 1969-03-22 | 1970-12-31 | Sumitomo Chemical Co |
-
1973
- 1973-11-12 JP JP12750273A patent/JPS5337858B2/ja not_active Expired
-
1974
- 1974-11-08 CA CA213,346A patent/CA1025475A/en not_active Expired
- 1974-11-08 US US05/522,130 patent/US3989750A/en not_active Expired - Lifetime
- 1974-11-08 FR FR7437188A patent/FR2250728B1/fr not_active Expired
- 1974-11-11 IT IT70311/74A patent/IT1024802B/it active
- 1974-11-11 SU SU742078312A patent/SU722479A3/ru active
- 1974-11-11 GB GB4864374A patent/GB1448316A/en not_active Expired
- 1974-11-11 DK DK586374A patent/DK586374A/da not_active Application Discontinuation
- 1974-11-12 BE BE150378A patent/BE822046A/xx not_active IP Right Cessation
- 1974-11-12 CH CH1510374A patent/CH615411A5/de not_active IP Right Cessation
- 1974-11-12 NL NL7414766A patent/NL7414766A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2453639A1 (de) | 1975-05-15 |
| DE2453639B2 (de) | 1977-06-23 |
| US3989750A (en) | 1976-11-02 |
| GB1448316A (en) | 1976-09-02 |
| FR2250728B1 (cs) | 1976-12-31 |
| JPS5077346A (cs) | 1975-06-24 |
| FR2250728A1 (cs) | 1975-06-06 |
| DK586374A (cs) | 1975-07-14 |
| IT1024802B (it) | 1978-07-20 |
| SU722479A3 (ru) | 1980-03-15 |
| CA1025475A (en) | 1978-01-31 |
| NL7414766A (nl) | 1975-05-14 |
| JPS5337858B2 (cs) | 1978-10-12 |
| CH615411A5 (cs) | 1980-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: SUMITOMO CHEMICAL CY LTD Effective date: 19841112 |