CH615411A5 - - Google Patents

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Publication number
CH615411A5
CH615411A5 CH1510374A CH1510374A CH615411A5 CH 615411 A5 CH615411 A5 CH 615411A5 CH 1510374 A CH1510374 A CH 1510374A CH 1510374 A CH1510374 A CH 1510374A CH 615411 A5 CH615411 A5 CH 615411A5
Authority
CH
Switzerland
Prior art keywords
acid
chloride
trans
racemization
cis
Prior art date
Application number
CH1510374A
Other languages
German (de)
English (en)
Inventor
Tsuneyuki Nagase
Gohu Suzukamo
Original Assignee
Sumitomo Chemical Co
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 filed Critical Sumitomo Chemical Co
Publication of CH615411A5 publication Critical patent/CH615411A5/de

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/487Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

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  • 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)
CH1510374A 1973-11-12 1974-11-12 CH615411A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12750273A JPS5337858B2 (fr) 1973-11-12 1973-11-12

Publications (1)

Publication Number Publication Date
CH615411A5 true CH615411A5 (fr) 1980-01-31

Family

ID=14961548

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1510374A CH615411A5 (fr) 1973-11-12 1974-11-12

Country Status (11)

Country Link
US (1) US3989750A (fr)
JP (1) JPS5337858B2 (fr)
BE (1) BE822046A (fr)
CA (1) CA1025475A (fr)
CH (1) CH615411A5 (fr)
DK (1) DK586374A (fr)
FR (1) FR2250728B1 (fr)
GB (1) GB1448316A (fr)
IT (1) IT1024802B (fr)
NL (1) NL7414766A (fr)
SU (1) SU722479A3 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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
US4473703A (en) * 1981-03-30 1984-09-25 Sumitomo Chemical Company, Limited Method of epimerization of alkyl chrysanthemate
JPS57163341A (en) * 1981-03-30 1982-10-07 Sumitomo Chem Co Ltd Preparation of racemized cyclopropanecarboxylic acid derivative
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
US4659864A (en) * 1984-06-15 1987-04-21 Sumitomo Chemical Company, Ltd. Method for racemization of chrysanthemic acid or its ester
JPS62198643A (ja) * 1986-02-27 1987-09-02 Sumitomo Chem Co Ltd ラセミ第一菊酸類の製造法
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
EP0282221B1 (fr) * 1987-03-09 1992-01-15 Sumitomo Chemical Company, Limited Procédé pour la racémisation de l'acide chrysanthémique optiquement actif ou de ses esters
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2038019A5 (fr) * 1969-03-22 1970-12-31 Sumitomo Chemical Co

Also Published As

Publication number Publication date
CA1025475A (fr) 1978-01-31
FR2250728A1 (fr) 1975-06-06
NL7414766A (nl) 1975-05-14
BE822046A (fr) 1975-05-12
DE2453639B2 (de) 1977-06-23
DE2453639A1 (de) 1975-05-15
DK586374A (fr) 1975-07-14
FR2250728B1 (fr) 1976-12-31
IT1024802B (it) 1978-07-20
JPS5077346A (fr) 1975-06-24
GB1448316A (en) 1976-09-02
SU722479A3 (ru) 1980-03-15
JPS5337858B2 (fr) 1978-10-12
US3989750A (en) 1976-11-02

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Legal Events

Date Code Title Description
PL Patent ceased