The 6-alkoxycarbonylpyridazin-3-one compounds given in the formula:
wherein X represents a hydrogen or halogen atom; Y represents a halogen atom; R1 represents a C1-C6alkyl group; R2 represents a hydrogen atom or C1-C3alkyl group; R3 represents a C1-C3haloalkyl group; B represents a hydrogen atom, OR4 group or COOR5 group; R4 represents a hydrogen atom, C1-C6alkyl, C3-C6alkenyl, C3-C6alkynyl, (C1-C8alkoxy)carbonylC1-C6alkyl or carboxyC1-C6alkyl group; and R5 represents a hydrogen atom, C1-C6alkyl, C3-C6alkenyl or C3-C6alkynyl group,
are intermediates to produce the pyridazin-3-one compounds given in the formula:
which are herbicidal compounds.
式中给出的6-烷氧基羰基
哒嗪-3-酮化合物:
其中 X 代表氢原子或卤素原子;Y 代表卤素原子;R1 代表 C1-C6 烷基;R2 代表氢原子或 C1-C3 烷基;R3 代表 C1-C3 卤代烷基;B 代表氢原子、OR4 基团或 COOR5 基团;R4 代表氢原子、C1-C6 烷基、C3-C6 烯基、C3-C6 炔基、(C1-C8 烷氧基)羰基 C1-C6 烷基或羧基 C1-C6 烷基;以及 R5 代表氢原子、C1-C6 烷基、C3-C6 烯基或 C3-C6 炔基、
是生产式中所示
哒嗪-3-酮化合物的中间体:
其中的
哒嗪-3-酮化合物是除草化合物。