4-Methyl-3-phenyl-2-oxo-3-pyrroline derivatives, process for their preparation and herbicidal compositions
申请人:KUMIAI CHEMICAL INDUSTRY CO., LTD.
公开号:EP0557691A1
公开(公告)日:1993-09-01
A 2-oxo-3-pyrroline derivative having the formula:
wherein X is a hydrogen atom or a halogen atom, Z is an oxygen atom or a group of the formula =N-OR¹ (wherein R¹ is a hydrogen atom, an alkyl group, a benzyl group or a phenyl group which is substituted by halogen atoms); and R is a hydrogen atom, an alkyl group, a benzyl group, a chloro-substituted benzyl group, a benzylidene methyl group, a group of the formula
(wherein Y is a hydrogen atom, a halogen atom, an alkyl group, a haloalkyl group or an alkoxy group, and n is an integer of from 1 to 3) or a group of the formula ER² wherein E is an oxygen atom, a sulfur atom or a group of the formula >N-R³ (wherein R³ is a hydrogen atom, an alkyl group or an alkenyl group), and R² is a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, a benzyl group, a phenylsulfonyl group or a group of the formula
(wherein G is a hydrogen atom, a halogen atom, an alkyl group, a haloalkyl group, an alkoxy group, a haloalkoxy group, a methylenedioxy group, an alkylthio group, an alkylsulfonyl group, a phenoxy group, an alkoxycarbonyl group, an acyl group, a nitro group, a hydroxyl group, a cyano group or a dimethylamino group, and m is an integer of from 1 to 5}.
具有以下式子的 2-氧代-3-吡咯啉衍生物
其中 X 是氢原子或卤素原子,Z 是氧原子或式 =N-OR¹的基团(其中 R¹ 是氢原子、烷基、苄基或被卤素原子取代的苯基);R 是氢原子、烷基、苄基、氯代苄基、亚苄基甲基、式 =N-OR¹ 的基团
(其中 Y 为氢原子、卤素原子、烷基、卤代烷基或烷氧基,n 为 1 至 3 的整数)或式 ER² 其中 E 为氧原子、硫原子或式 >N-R³ 的基团(其中 R³ 为氢原子、烷基或烯基)、其中 R³ 是氢原子、烷基或烯基),R² 是氢原子、烷基、环烷基、烯基、炔基、苄基、苯磺酰基或式中的基团
(其中 G 为氢原子、卤素原子、烷基、卤代烷基、烷氧基、卤代烷氧基、亚甲基二氧 基、烷硫基、烷基磺酰基、苯氧基、烷氧羰基、酰基、硝基、羟基、氰基或二甲基氨基,且 m 为 1 至 5 的整数)。