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Title: Process for preparing alkyl trans-chrysanthemate

Abstract: Alkyl cis-chrysanthemate is treated with a catalytic amount of alkali metal alkoxide at a temperature of about 50.degree. to 200.degree.C in the absence or presence of an aprotic solvent to give alkyl trans-chrysanthemate in a high purity and an excellent yield.


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Inventors: Nagase, Tsuneyuki (Takatsuki, JA)
Suzukamo, Gohu (Ibaraki, JA)
Fukao, Masami (Takatsuki, JA)
Yoshioka, Hirosuke (Ikeda, JA)

Application Number: 395150
Filing Date: 1973-09-07
Publication_date: 1976-01-06
Assignee: Sumitomo Chemical Company, Limited (JA)
Primary Class(es): 560/124
Other Classes:
US Patent Ref:
3046299Jul, 1962Julia260/468.
3538143Nov, 1970Matsui et al.260/468.

Other Refs:
Primary Examiner: Gerstl, Robert
Assistant Examiner:
Attorney: Stewart and Kolasch, Ltd.