JPS6425743A - Production of trans-chrysanthemum-monocarboxylic acids - Google Patents

Production of trans-chrysanthemum-monocarboxylic acids

Info

Publication number
JPS6425743A
JPS6425743A JP62164803A JP16480387A JPS6425743A JP S6425743 A JPS6425743 A JP S6425743A JP 62164803 A JP62164803 A JP 62164803A JP 16480387 A JP16480387 A JP 16480387A JP S6425743 A JPS6425743 A JP S6425743A
Authority
JP
Japan
Prior art keywords
trans
chrysanthemum
hydrogen bromide
cis
bromide
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.)
Granted
Application number
JP62164803A
Other languages
Japanese (ja)
Other versions
JPH0717566B2 (en
Inventor
Takeo Suzukamo
Yoji Sakito
Masami Fukao
Koju Hagitani
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 JP62164803A priority Critical patent/JPH0717566B2/en
Publication of JPS6425743A publication Critical patent/JPS6425743A/en
Publication of JPH0717566B2 publication Critical patent/JPH0717566B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE:To obtain the titled compound useful as a raw material for insecticide for pyrethroid type smoothly and efficiently, by treating a trans-chrysanthemum- monocarboxylic acid of a mixture of trans-form and cis-form with hydrogen bromide which is common as an industrial raw material, stable to water and readily handleable. CONSTITUTION:A trans-chrysanthemum-monocarboxylic acid (R is H, 1-20C alkyl, cycloalkyl or aralkyl) of cis-form or a mixture of trans-form and cis-form is treated with hydrogen bromide in the presence or absence of a peroxide or an azo compound usually at -20-100 deg.C and made into trans-form to give the aimed compound. Hydrogen bromide may be in a gaseous state, in a dissolved state in a solvent or in an emitted state in the reaction system by using both a bromide such as lithium bromide and an acid such as sulfuric acid. The amount of hydrogen bromide used is usually 1/1,000-1/4mol. based on 1mol. chrysanthemum-monocarboxylic acid used.
JP62164803A 1987-04-07 1987-06-30 Method for producing racemic-trans primary chrysanthemic acids Expired - Fee Related JPH0717566B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62164803A JPH0717566B2 (en) 1987-04-07 1987-06-30 Method for producing racemic-trans primary chrysanthemic acids

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62-86595 1987-04-07
JP8659587 1987-04-07
JP62164803A JPH0717566B2 (en) 1987-04-07 1987-06-30 Method for producing racemic-trans primary chrysanthemic acids

Publications (2)

Publication Number Publication Date
JPS6425743A true JPS6425743A (en) 1989-01-27
JPH0717566B2 JPH0717566B2 (en) 1995-03-01

Family

ID=26427706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62164803A Expired - Fee Related JPH0717566B2 (en) 1987-04-07 1987-06-30 Method for producing racemic-trans primary chrysanthemic acids

Country Status (1)

Country Link
JP (1) JPH0717566B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS646234A (en) * 1986-09-04 1989-01-10 Sumitomo Chemical Co Racemization of optically active chrysanthemum-monocarboxylic acids
JPH0327343A (en) * 1989-06-23 1991-02-05 Sumitomo Chem Co Ltd Production of trans-chrysanthemumic acids

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS646234A (en) * 1986-09-04 1989-01-10 Sumitomo Chemical Co Racemization of optically active chrysanthemum-monocarboxylic acids

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS646234A (en) * 1986-09-04 1989-01-10 Sumitomo Chemical Co Racemization of optically active chrysanthemum-monocarboxylic acids

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS646234A (en) * 1986-09-04 1989-01-10 Sumitomo Chemical Co Racemization of optically active chrysanthemum-monocarboxylic acids
JPH0327343A (en) * 1989-06-23 1991-02-05 Sumitomo Chem Co Ltd Production of trans-chrysanthemumic acids

Also Published As

Publication number Publication date
JPH0717566B2 (en) 1995-03-01

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