Title:
PYRETHROID COMPOUND CONTAINING DOUBLE BONDS AND CYANO GROUPS, SYNTHESIS METHOD THEREFOR, AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/160316
Kind Code:
A1
Abstract:
Disclosed are a pyrethroid compound containing double bonds and cyano groups, a synthesis method therefor and an application thereof. In the synthesis method, 3-formyl-2,2-dimethyl-cyclopropanoate t-butyl ester and cyanomethylphosphonate are used as raw materials, undergo Witting-Horner reaction, undergo column chromatography to obtain (Z)-3-(2-cyanovinyl)-2,2-dimethyl-cyclopropanoate t-butyl ester, undergo deprotection to obtain (Z)-3-(2-cyanovinyl)-2,2-dimethyl-cyclopropanoic acid, undergo acyl chlorination reaction to produce (Z)-3-(2-cyanovinyl)-2,2-dimethyl-cyclopropanoyl chloride, and are esterified with corresponding alcohol to obtain the pyrethroid compound. The compound can be used as an insecticide against pests such as mosquitoes, flies, German cockroaches and the like.
Inventors:
WU XIAOJU (CN)
JIANG YOUFA (CN)
WANG BAOLIN (CN)
HUANG CHENGMEI (CN)
JIA WEI (CN)
LV YANG (CN)
JIANG YOUFA (CN)
WANG BAOLIN (CN)
HUANG CHENGMEI (CN)
JIA WEI (CN)
LV YANG (CN)
Application Number:
PCT/CN2023/073129
Publication Date:
August 31, 2023
Filing Date:
January 19, 2023
Export Citation:
Assignee:
JIANGSU YANGNONG CHEMICAL CO (CN)
International Classes:
A01N53/06; C07C255/31; A01P7/04; C07C253/30; C07C253/34
Foreign References:
| CN115669677A | 2023-02-03 | |||
| CN109907067A | 2019-06-21 | |||
| CN109384669A | 2019-02-26 | |||
| CN102134195A | 2011-07-27 | |||
| CN101306997A | 2008-11-19 | |||
| CN101323571A | 2008-12-17 | |||
| CN108264468A | 2018-07-10 |
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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