Processes for producing pyrethroid insecticide intermediates
    6.
    发明授权
    Processes for producing pyrethroid insecticide intermediates 失效
    生产拟除虫菊酯杀虫剂中间体的方法

    公开(公告)号:US4342694A

    公开(公告)日:1982-08-03

    申请号:US162292

    申请日:1980-06-23

    CPC classification number: C07D307/93 C07C59/147 C07D309/30

    Abstract: Processes for producing a (1.alpha., 4.alpha., 5.alpha.)-6,6-dimethyl-4-halo-substituted-methyl-3-oxabicyclo[3.1.0]hexan-2-one and its novel intermediates from known and inexpensive starting materials are described and exemplified. The halomethyl bicyclic lactone is a useful intermediate for the preparation of insecticidal cis-3-(2,2-dihaloethenyl)-2,2-dimethylcyclopropanecarboxylates or cis-3-(2-halo-2-trihalomethylethenyl)-2,2-dimethylcyclopropanecarboxylates.

    Abstract translation: 制备(1α,4α,5α)-6,6-二甲基-4-卤代 - 取代 - 甲基-3-氧杂二环[3.1.0]己-2-酮的方法及其新型中间体,其已知和便宜 起始原料进行了描述和示例。 卤代甲基双环内酯是制备杀虫剂顺式-3-(2,2-二卤代乙烯基)-2,2-二甲基环丙烷羧酸酯或顺式-3-(2-卤代-2-三卤甲基乙烯基)-2,2-二甲基环丙烷甲酸的有用中间体 吃了

Patent Agency Ranking