CH548970A - Verfahren zur herstellung von ((+-))-trans-chrysanthemumsaeure aus einem gemisch von ((+-))-trans- und ((+-))-cischrysanthemumsaeure. - Google Patents
Verfahren zur herstellung von ((+-))-trans-chrysanthemumsaeure aus einem gemisch von ((+-))-trans- und ((+-))-cischrysanthemumsaeure.Info
- Publication number
- CH548970A CH548970A CH434770A CH434770A CH548970A CH 548970 A CH548970 A CH 548970A CH 434770 A CH434770 A CH 434770A CH 434770 A CH434770 A CH 434770A CH 548970 A CH548970 A CH 548970A
- Authority
- CH
- Switzerland
- Prior art keywords
- trans
- acid
- cischrysanthemic
- mixture
- preparation
- 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
-
- 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
-
- 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
- C07C61/04—Saturated compounds having a carboxyl group bound to a three or four-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (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 |
|---|---|---|---|
| JP2190369 | 1969-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH548970A true CH548970A (de) | 1974-05-15 |
Family
ID=12068051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH434770A CH548970A (de) | 1969-03-22 | 1970-03-23 | Verfahren zur herstellung von ((+-))-trans-chrysanthemumsaeure aus einem gemisch von ((+-))-trans- und ((+-))-cischrysanthemumsaeure. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3794680A (nl) |
| BE (1) | BE747726A (nl) |
| CH (1) | CH548970A (nl) |
| DE (1) | DE2013222A1 (nl) |
| FR (1) | FR2038019A5 (nl) |
| GB (1) | GB1260993A (nl) |
| NL (1) | NL149482B (nl) |
| SE (1) | SE366294B (nl) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337858B2 (nl) * | 1973-11-12 | 1978-10-12 | ||
| JPS5234618B2 (nl) * | 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 |
| DE2965745D1 (en) * | 1978-10-27 | 1983-07-28 | Ici Plc | Process of separating cis and trans isomers of cyclopropane carboxylic acids |
| 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 |
| EP0155765B1 (en) * | 1984-02-22 | 1988-10-05 | Sumitomo Chemical Company, Limited | 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 |
| HU202171B (en) * | 1986-09-04 | 1991-02-28 | Sumitomo Chemical Co | Process for racemization of chrysanthemic acid and its esters, as well as for conversion of the racemic mixture |
| EP0343812B1 (en) * | 1988-05-26 | 1993-01-07 | Sumitomo Chemical Company, Limited | Process for preparing trans-2,2-dimethyl-3-(2,2-dihalovinyl)-cyclopropane carboxylic acid esters |
| US5840958A (en) * | 1996-10-17 | 1998-11-24 | Fmc Corporation | 1S to 1R Epimerizations of pyrethroid intermediates |
| EP1430002A2 (en) * | 2001-08-02 | 2004-06-23 | 3M Innovative Properties Company | Alumina-zirconia, and methods of making and using the same |
-
1970
- 1970-03-12 FR FR7008940A patent/FR2038019A5/fr not_active Expired
- 1970-03-16 US US00020088A patent/US3794680A/en not_active Expired - Lifetime
- 1970-03-18 GB GB03135/70A patent/GB1260993A/en not_active Expired
- 1970-03-19 DE DE19702013222 patent/DE2013222A1/de not_active Withdrawn
- 1970-03-20 NL NL707004010A patent/NL149482B/nl not_active IP Right Cessation
- 1970-03-20 BE BE747726D patent/BE747726A/xx unknown
- 1970-03-23 SE SE03921/70A patent/SE366294B/xx unknown
- 1970-03-23 CH CH434770A patent/CH548970A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1260993A (en) | 1972-01-19 |
| NL7004010A (nl) | 1970-09-24 |
| NL149482B (nl) | 1976-05-17 |
| FR2038019A5 (nl) | 1970-12-31 |
| BE747726A (fr) | 1970-08-31 |
| DE2013222A1 (nl) | 1971-07-15 |
| SE366294B (nl) | 1974-04-22 |
| US3794680A (en) | 1974-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |