| 摘要 |
Diphenyl ether cyclic imine derivatives having the general formula I: <CHEM> wherein R1 represents a halogen atom or a haloalkyl group; R2 and R3, which may be the same or different. each independently represents a hydrogen or halogen atom or a nitro, cyano or haloalkyl group; A represents a cyano, alkyl, aryl, alkoxy, aryloxy, alkylthio or arylthio or their S-oxygenated derivatives, acyl, acyloxy or alkoxycarbonyl group; and B represents a hydrogen atom or one of the meanings given for A. The preparation of such compounds; compositions containing them; and their use as herbicides. |
