申请人:Shell Oil Company
公开号:US04222964A1
公开(公告)日:1980-09-16
2-(2,2-Dihalovinyl-3,3-dimethylcyclopropyl)ethanal is a new chemical compound and useful intermediate in the preparation of certain pyrethroid esters. It is prepared by hydrolysis of 2-[2-(2,2-dihalovinyl)-3,3-dimethylcyclopropyl]ethylidene diacetate, preferably in the presence of an acid.
2-(2,2-二卤乙烯基-3,3-二甲基环丙基)乙醛是一种新的化合物,是制备某些拟除虫酯酯类化合物的有用中间体。它通过2-[2-(2,2-二卤乙烯基)-3,3-二甲基环丙基]乙烯基乙醛二乙酸酯的水解制备而成,最好在酸的存在下进行。