JPS525738A - Process for racemization of optically active 2,2-dimethyl-3-(2,2-dichl orovinyl)-cyclopropanecarboxylic acid and its derivatives - Google Patents
Process for racemization of optically active 2,2-dimethyl-3-(2,2-dichl orovinyl)-cyclopropanecarboxylic acid and its derivativesInfo
- Publication number
- JPS525738A JPS525738A JP8029075A JP8029075A JPS525738A JP S525738 A JPS525738 A JP S525738A JP 8029075 A JP8029075 A JP 8029075A JP 8029075 A JP8029075 A JP 8029075A JP S525738 A JPS525738 A JP S525738A
- Authority
- JP
- Japan
- Prior art keywords
- dimethyl
- derivatives
- optically active
- cyclopropanecarboxylic acid
- orovinyl
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B55/00—Racemisation; Complete or partial inversion
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
PURPOSE: Optically active 2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropanecarboxylic acid and its derivatives are easily racemized in high yield under ultraviolet irradiation in the presence of a photosensitizer.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8029075A JPS525738A (en) | 1975-06-27 | 1975-06-27 | Process for racemization of optically active 2,2-dimethyl-3-(2,2-dichl orovinyl)-cyclopropanecarboxylic acid and its derivatives |
GB2480576A GB1491408A (en) | 1975-06-27 | 1976-06-15 | Racemization of optically active 2,2-dimethyl-3(2,2-dichlorovinyl)cyclo-propanecarboxylic acid and functional derivatives thereof |
NL7606564A NL7606564A (en) | 1975-06-27 | 1976-06-17 | PROCEDURE FOR RACEMIZING OPTICAL ACTIVE 2,2-DIMETHYL-3- (2,2-DICHLOR-VINYL) CYCLOPROPANE CARBONIC ACID AND ITS DERIVATIVES. |
FR7619045A FR2315490A1 (en) | 1975-06-27 | 1976-06-23 | RACEMIZATION OF OPTICALLY ACTIVE 2,2-DIMETHYL-3- (2,2-DICHLOROVINYL) -CYCLOPROPANE-CARBOXYL ACID AND ITS DERIVATIVES |
CH1414475A CH602522A5 (en) | 1975-06-27 | 1976-06-24 | |
DE19762628477 DE2628477C3 (en) | 1975-06-27 | 1976-06-25 | Process for the racemization of (-) - trans- and (-) - cis-2,2-dimethyl-3- (2,2-dichlorovinyl) -cyclopropanecarboxylic acid and its derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8029075A JPS525738A (en) | 1975-06-27 | 1975-06-27 | Process for racemization of optically active 2,2-dimethyl-3-(2,2-dichl orovinyl)-cyclopropanecarboxylic acid and its derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS525738A true JPS525738A (en) | 1977-01-17 |
Family
ID=13714128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8029075A Pending JPS525738A (en) | 1975-06-27 | 1975-06-27 | Process for racemization of optically active 2,2-dimethyl-3-(2,2-dichl orovinyl)-cyclopropanecarboxylic acid and its derivatives |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS525738A (en) |
CH (1) | CH602522A5 (en) |
DE (1) | DE2628477C3 (en) |
FR (1) | FR2315490A1 (en) |
GB (1) | GB1491408A (en) |
NL (1) | NL7606564A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5559133A (en) * | 1978-10-27 | 1980-05-02 | Ici Ltd | Method of separating optically active isomer of cyclopropanecarboxylic acid |
JPS5846736U (en) * | 1981-09-25 | 1983-03-29 | 大建工業株式会社 | palette |
JPS60142726U (en) * | 1984-02-29 | 1985-09-21 | ポリウレタン化成株式会社 | Pallet for placing items |
JPH02124821U (en) * | 1989-03-28 | 1990-10-15 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2348901A1 (en) * | 1976-04-23 | 1977-11-18 | Roussel Uclaf | PROCESS FOR TRANSFORMATION OF AN OPTICALLY ACTIVE SECONDARY ALPHA-CYANE CHIRAL ACID ESTER INTO A RACEMIC ALPHA-CYAN SECONDARY ALCOHOL CHIRAL ACID ESTER |
CA1175065A (en) | 1981-07-22 | 1984-09-25 | Kingsley Salisbury | Photoisomerisation of trans-cyclopropane-nitriles |
DE3613975A1 (en) * | 1986-04-25 | 1987-10-29 | Bayer Ag | SEPARATION OF DIASTEREOMERS |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE366022B (en) * | 1969-03-24 | 1974-04-08 | Sumitomo Chemical Co |
-
1975
- 1975-06-27 JP JP8029075A patent/JPS525738A/en active Pending
-
1976
- 1976-06-15 GB GB2480576A patent/GB1491408A/en not_active Expired
- 1976-06-17 NL NL7606564A patent/NL7606564A/en unknown
- 1976-06-23 FR FR7619045A patent/FR2315490A1/en active Granted
- 1976-06-24 CH CH1414475A patent/CH602522A5/xx not_active IP Right Cessation
- 1976-06-25 DE DE19762628477 patent/DE2628477C3/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5559133A (en) * | 1978-10-27 | 1980-05-02 | Ici Ltd | Method of separating optically active isomer of cyclopropanecarboxylic acid |
JPS5846736U (en) * | 1981-09-25 | 1983-03-29 | 大建工業株式会社 | palette |
JPS60142726U (en) * | 1984-02-29 | 1985-09-21 | ポリウレタン化成株式会社 | Pallet for placing items |
JPH02124821U (en) * | 1989-03-28 | 1990-10-15 |
Also Published As
Publication number | Publication date |
---|---|
NL7606564A (en) | 1976-12-29 |
GB1491408A (en) | 1977-11-09 |
FR2315490A1 (en) | 1977-01-21 |
DE2628477C3 (en) | 1980-10-09 |
DE2628477B2 (en) | 1980-01-17 |
FR2315490B1 (en) | 1979-06-08 |
DE2628477A1 (en) | 1976-12-30 |
CH602522A5 (en) | 1978-07-31 |
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