申请人:KUMIAI CHEMICAL INDUSTRY CO., LTD.
公开号:EP0567133A1
公开(公告)日:1993-10-27
A picolinic acid derivative of the formula:
wherein each of R¹ and R² is an alkoxy group, X¹ is a group of the formula
wherein R³ is a hydrogen atom, an alkyl group, a haloalkyl group, an alkoxyalkyl group, an alkenyl group, an alkynyl group, an alkylcarbonyl group, a benzyloxycarbonyl group or a phenylsulfonyl group, R⁴ is defined as in the description and R⁹ is a hydrogen atom, an alkyl group, an alkenyl group, a benzyl group, an alkali metal atom, an alkaline earth metal atom or an organic amine cation; or a salt thereof, or a picolinic acid derivative of the formula:
wherein each of R¹ and R² is an alkoxy group, X² is an amino group, an alkylamino group or a dialkylamino group, and W is COOR¹⁰, COSR¹¹ or
wherein R¹⁰ is a phenyl group (which may be substituted by a halogen atom or a methyl group), a benzyloxyalkyl group, an alkylideneamino group, a cycloalkylideneamino group or a dialkylamino group, R¹¹ is an alkyl group or a phenyl group, and each of R¹² and R¹³ which may be the same or different, is a hydrogen atom, an alkylsulfonyl group, an alkoxyalkyl group, an alkyl group, a benzyloxy group or an alkoxy group, or R¹² and R¹³ form together with the adjacent nitrogen atom, an imidazolyl group; or a salt thereof, or a picolinic acid derivative of the formula:
wherein each of R¹ and R² is an alkoxy group, X² is an amino group, an alkylamino group or a dialkylamino group, Y is a methylene group which may be substituted by a cyano group, or a carbonyl group, and R¹⁴ is a hydrogen atom or an alkyl group; or a salt thereof, or a picolinic acid derivative of the formula:
wherein each of R¹ and R² is an alkoxy group, X³ is a dialkylamino group, Z is a group of the formula R⁺A⁻ wherein R⁺ is a cation selected from the group consisting of an alkyl group, an acyl group and an alkylsulfonyl group, and A⁻ is an anion of the conjugate base, and R¹⁵ is an alkyl group; or a salt thereof, and a herbicidal composition comprising a herbicidally effective amount of a picolinic acid derivative of the formulae (I) to (IV) or a salt thereof and an agricultural adjuvant.
式中的吡啶甲酸衍生物:
其中 R¹ 和 R² 均为烷氧基,X¹ 为式中的基团
其中 R³ 是氢原子、烷基、卤代烷基、烷氧基烷基、烯基、炔基、烷基羰基、苄氧羰基或 苯磺酰基,R⁴ 的定义与描述相同,R⁹ 是氢原子、烷基、烯基、苄基、碱金属原子、碱土金属原子或有机胺阳离子;或其盐,或式如下的吡啶甲酸衍生物:
其中 R¹ 和 R² 均为烷氧基,X² 为氨基、烷基氨基或二烷基氨基,W 为 COOR¹⁰、COSR¹ 或 COOR¹⁰。
其中 R¹⁰ 是苯基(可被卤素原子或甲基取代)、苄氧基烷基、亚烷基氨基、亚环烷基氨基或二烷基氨基,R¹¹ 是烷基或苯基、R¹²和R¹³可以相同或不同,各自为氢原子、烷基磺酰基、烷氧基烷基、烷基、苄氧基或烷氧基,或 R¹² 和 R¹³ 与邻近的氮原子一起形成咪唑基;或其盐,或式如下的吡啶甲酸衍生物:
其中 R¹ 和 R² 均为烷氧基,X² 为氨基、烷基氨基或二烷基氨基,Y 为可被氰基或羰基取代的亚甲基,R¹⁴ 为氢原子或烷基;或其盐或式中的吡啶甲酸衍生物:
其中 R¹ 和 R² 各为烷氧基,X³ 为二烷基氨基,Z 为式 R⁺A- 的基团,其中 R⁺ 为选自烷基、酰基和烷磺酰基的阳离子,A- 为共轭碱的阴离子,R¹⁵ 为烷基;或其盐,以及由除草有效量的式 (I) 至 (IV) 的吡啶甲酸衍生物或其盐和农用佐剂组成的除草组合物。