Cyanovinyl pyrethroids, processes for the preparation of these compounds and pesticidal use of the cyanovinyl pyrethroids
申请人:AMERICAN CYANAMID COMPANY
公开号:EP0008867A2
公开(公告)日:1980-03-19
The invention provides cyanovinyl pyrethroids useful for the control of ticks, acid intermediates of the cyanovinyl pyrethroids, processes for the preparation of the cyanovinyl pyrethroids and acid intermediates, and the pesticidal use of the cyanovinyl pyrethroids. The pesticidally useful cyanovinyl pyrethroids have the formula (I):
wherein R, is
or
R2 is hydrogen or methyl; X and X' are each hydrogen, halogen, halogen C1-C3 alkyl, C1-C3 alkoxy or haloalkyl C1-C2; and Y is hydrogen, halogen, methyl or methoxy.
本发明提供了对防治蜱有用的氰乙烯基拟除虫菊酯、氰乙烯基拟除虫菊酯的酸性中间体、氰乙烯基拟除虫菊酯和酸性中间体的制备工艺以及氰乙烯基拟除虫菊酯的杀虫用途。 对杀虫有用的氰乙烯基拟除虫菊酯具有式(I):其中R,是或R2是氢或甲基;X和X'各自是氢、卤素、卤代C1-C3烷基、C1-C3烷氧基或卤代C1-C2烷基;Y是氢、卤素、甲基或甲氧基。