Title:
METHOD FOR PRODUCING ESTER COMPOUND
Document Type and Number:
WIPO Patent Application WO/2020/158047
Kind Code:
A1
Abstract:
In the present invention, when 2,2-dimethyl-3-((Z)-1-propenyl)cyclopropane carboxylic acid methyl and [4-(methoxymethyl)-2,3,5,6-tetrafluorophenyl]methanol are reacted in an organic solvent in the presence of lithium methoxide to produce [4-(methoxymethyl)-2,3,5,6-tetafluorophenyl]methyl 2,2-dimethyl-3-((Z)-1-propenyl)cyclopropane carboxylate, a mixture of an organic solvent, 2,2-dimethyl-3-((Z)-1-propenyl)cyclopropane carboxylic acid methyl, and [4-(methoxymethyl)-2,3,5,6-tetrafluorophenyl]methanol is washed with a bisulfite aqueous solution and subsequently lithium methoxide is added for reaction. By this method, a target substance can be produced with the generation of impurities being suppressed.
Inventors:
ARAI KENJI (JP)
Application Number:
PCT/JP2019/038081
Publication Date:
August 06, 2020
Filing Date:
September 27, 2019
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C07C67/03; C07C69/747; C07B61/00
Foreign References:
| JP2005082501A | 2005-03-31 | |||
| JP2004269507A | 2004-09-30 | |||
| JP2002167355A | 2002-06-11 |
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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