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 derivatives

Info

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
Application number
JP8029075A
Other languages
Japanese (ja)
Inventor
Takeaki Umemura
Nobushige Itaya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP8029075A priority Critical patent/JPS525738A/en
Priority to GB2480576A priority patent/GB1491408A/en
Priority to NL7606564A priority patent/NL7606564A/en
Priority to FR7619045A priority patent/FR2315490A1/en
Priority to CH1414475A priority patent/CH602522A5/xx
Priority to DE19762628477 priority patent/DE2628477C3/en
Publication of JPS525738A publication Critical patent/JPS525738A/en
Pending legal-status Critical Current

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
JP8029075A 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 Pending JPS525738A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE366022B (en) * 1969-03-24 1974-04-08 Sumitomo Chemical Co

Cited By (4)

* Cited by examiner, † Cited by third party
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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