申请人:Sumitomo Chemical Co., Ltd.
公开号:US06077953A1
公开(公告)日:2000-06-20
The 6-alkoxycarbonylpyridazin-3-one compounds given in the formula: ##STR1## wherein, X represents a hydrogen and so on, Y represents a halogen atom, R.sup.1 represents a C.sub.1 -C.sub.6 alkyl group, R.sup.2 represents a hydrogen and other groups as defind, R.sup.3 represents a C.sub.1 -C.sub.3 haloalkoxy group and B represents a hydrogen and other groups as defind, are intermediates to produce the pyridazin-3-one compounds given in the formula: ##STR2## wherein X represents a hydrogen atom and other groups as defind, Y represents a halogen atom, R.sup.2 represents a hydrogen atom and other groups as defind, R.sup.3 represents a C.sub.1 -C.sub.3 haloalkyl group and B represents a hydrogen atom and other groups as defined, which are herbicidal compounds.
公式为:##STR1## 其中,X代表氢等,Y代表卤素原子,R.sup.1代表C.sub.1-C.sub.6烷基,R.sup.2代表氢和其他定义的基团,R.sup.3代表C.sub.1-C.sub.3卤代氧烷基,B代表氢和其他定义的基团的6-烷氧羰基吡啶嗪-3-酮化合物是生成公式为:##STR2## 其中X代表氢原子和其他定义的基团,Y代表卤素原子,R.sup.2代表氢原子和其他定义的基团,R.sup.3代表C.sub.1-C.sub.3卤代烷基,B代表氢原子和其他定义的基团的除草化合物的中间体。