摘要 |
本发明系有关经取代之2-苯基啶及其盐CC (Ⅰ)其中n= 0;R1= C1-C4-卤烷基;R2与R3= 卤素;R4= 卤素;R5= -CO-O-(C1-C4-伸烷基)-CO-OR6,-CO-O-(C1-C4-伸烷基)-CO-N(R7)R8,-O-(C1-C4-伸烷基)-CO-O-(C1-C4-伸烷基)-CO-OR6或-S-(C1-C4-伸烷基)-CO-O-(C1-C4-伸烷基)-CO-OR6;R6= H、C1-C4-烷基、C2-C4-烯基;R7= H;R8= H,其用为除草剂且用于植物之脱水/脱叶。R7= H、C1-C4-烷基、羧基-C1-C4-烷基、C1-C4-烷氧羰基-C1-C4-烷基;R8= H或C1-C4-烷基,其用为除草剂且用于植物之脱水/脱叶。 |