申请人:BASF Aktiengesellschaft
公开号:US06225313B1
公开(公告)日:2001-05-01
Substituted 2-phenyl-3(2H)-pyridazinones I
and salts thereof, where
n=0, 1, 2; R1=C1-C4-alkyl, C1-C4-haloalkyl;
R2=H, halogen; R3=halogen, CN;
R4=H, NO2, CN, CHO, NH—OH, C1-C4-alkyl, C1-C4-halogenalkyl, —OR5, —CH═N—OR6, —CH═C(R7)—CO—OR8, —CO—OR9, C1-C6-alkyl-SO2—NH, di(C1-C6-alkylsulfonyl)amino or
R5=C1-C6-alkyl, C3-C6-alkenyl, C3-C6-alkynyl, (C1-C6-alkoxy)carbonyl-C1-C4-alkyl, (C3-C6-alkenyloxy)carbonyl-C1-C4-alkyl, (C3-C6-alkynyloxy)carbonyl-C1-C4-alkyl, C1-C4-alkoxy(C1-C4-alkoxy)carbonyl-C1-C4-alkyl;
R6=H, C1-C4-alkyl, hydroxycarbonyl-C1-C4-alkyl, (C1-C4-alkoxy)carbonyl-C1-C4-alkyl;
R7=H, halogen, C1-C4-alkyl; R8=H, C1-C6-alkyl;
R9=H, C1-C6-alkyl, C3-C6-alkenyl, C3-C6-alkynyl, C1-C4-alkoxy-C1-C4-alkoxy, hydroxycarbonyl-C1-C4-alkyl, (C1-C6-alkoxy)carbonyl-C1-C4-alkyl, (C3-C6-alkenyloxy)carbonyl-C1-C4-alkyl, (C3-C6-alkynyloxy)carbonyl-C1-C4-alkyl, C1-C4-alkoxy-(C1-C4-alkoxy)carbonyl-C1-C4-alkyl;
R10=H, C1-C6-alkyl, COOH, (C1-C6-alkoxy)carbonyl;
and their use as herbicides and for the desiccation/defoliation of plants are described.
描述了取代的2-苯基-3(2H)-吡啶酮I及其盐,其中n=0、1、2;R1=C1-C4-烷基、C1-C4-卤代烷基;R2=H、卤素;R3=卤素、CN;R4=H、NO2、CN、CHO、NH—OH、C1-C4-烷基、C1-C4-卤代烷基、—OR5、—CH═N—OR6、—CH═C(R7)—CO—OR8、—CO—OR9、C1-C6-烷基-SO2—NH、二(C1-C6-烷基磺酰)氨基或R5=C1-C6-烷基、C3-C6-烯基、C3-C6-炔基、(C1-C6-烷氧)羰基-C1-C4-烷基、(C3-C6-烯氧)羰基-C1-C4-烷基、(C3-C6-炔氧)羰基-C1-C4-烷基、C1-C4-烷氧(C1-C4-烷氧)羰基-C1-C4-烷基;R6=H、C1-C4-烷基、羟基羰基-C1-C4-烷基、(C1-C4-烷氧)羰基-C1-C4-烷基;R7=H、卤素、C1-C4-烷基;R8=H、C1-C6-烷基;R9=H、C1-C6-烷基、C3-C6-烯基、C3-C6-炔基、C1-C4-烷氧-C1-C4-烷氧、羟基羰基-C1-C4-烷基、(C1-C6-烷氧)羰基-C1-C4-烷基、(C3-C6-烯氧)羰基-C1-C4-烷基、(C3-C6-炔氧)羰基-C1-C4-烷基、C1-C4-烷氧-(C1-C4-烷氧)羰基-C1-C4-烷基;R10=H、C1-C6-烷基、COOH、(C1-C6-烷氧)羰基;并描述了它们作为除草剂和用于植物脱水/落叶的用途。