申请人:Ciba-Geigy Corporation
公开号:US04940485A1
公开(公告)日:1990-07-10
The invention relates to novel 3-methyltetrahydrophthalimides of the formula I in which the substituents R.sub.1 is hydrogen or fluorine, R.sub.2 is halogen, X is O or S and R.sub.3 is C.sub.3 -C.sub.10 -alkenyl, C.sub.5 -C.sub.6 -cycloakly, C.sub.5 -C.sub.6 -cycloalkenyl, C.sub.3 -C.sub.10 -alkynyl, or C.sub.1 -C.sub.10 -alkyl which if desired, is mono- or poly-substituted by halogen, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, cyano, C.sub.1 -C.sub.4 -alkylthio or by C.sub.1 -C.sub.4 -alkylthiocarbonyl, to processes for their preparation, and to novel selective herbicidal compositions containing compounds of the formula I.
本发明涉及式I的新型3-甲基四氢酞酰亚胺化合物,其中取代基R.sub.1为氢或氟,取代基R.sub.2为卤素,X为O或S,取代基R.sub.3为C.sub.3-C.sub.10-烯基、C.sub.5-C.sub.6-环烷基、C.sub.5-C.sub.6-环烯基、C.sub.3-C.sub.10-炔基或C.sub.1-C.sub.10-烷基,如有需要,所述烷基可以被卤素、C.sub.1-C.sub.4-烷氧基、C.sub.1-C.sub.4-烷氧羰基、氰基、C.sub.1-C.sub.4-烷基硫基或C.sub.1-C.sub.4-烷基硫氧羰基单取代或多取代。本发明还涉及其制备方法,以及含有式I化合物的新型选择性除草剂组合物。