申请人:FMC Corporation
公开号:US04782079A1
公开(公告)日:1988-11-01
Thiophene derivatives of the following formula are effective as acaricides: ##STR1## wherein R.sub.A is selected from -hydrogen, -halogen, -lower alkyl, hydroxy, -lower alkoxy, -lower alkylthio, -lower alkoxyalkoxy, -lower alkoxycarbonyl, -aryloxycarbonyl, -lower alkoxycarbonyloxy, -lower alkylsulfonyl, -lower alkylsulfonyloxy, -arylsulfonyloxy, and -lower alkyl phosphonyloxy; R.sub.B is -hydrogen, or R.sub.A and R.sub.B together are --C.sub.4 H.sub.4 --bridging 2'-3' or 3'-4'; R.sub.3 and R.sub.4 are selected from -hydrogen, -lower alkyl, and -aryl; X is -halogen; and Y is selected from -hydrogen and -halogen.
以下化学式的噻吩衍生物在杀螨剂中有效:其中 R.sub.A 从 -氢,-卤素,-较低烷基,羟基,-较低烷氧基,-较低烷基硫基,-较低烷氧基烷氧基,-较低烷氧基羰基,-芳基氧基羰基,-较低烷氧基羰氧基,-较低烷基磺酰基,-较低烷基磺酰氧基,-芳基磺酰氧基,和-较低烷基磷酰氧基中选择;R.sub.B 为-氢,或 R.sub.A 和 R.sub.B 一起为-二氢化-二氢噻吩-4-基-2-基-3-基或3-基-4-基;R.sub.3 和 R.sub.4 从 -氢,-较低烷基和-芳基中选择;X 为-卤素;Y 从-氢和-卤素中选择。