申请人:Nissan Chemical Industries, Ltd.
公开号:US06114369A1
公开(公告)日:2000-09-05
A benzimidazole derivative of the formula (I) or its salt: wherein A is a single bond or a C.sub.1-2 alkylene group (this alkylene group may optionally be substituted by a C.sub.1-4 alkyl group), R.sup.6 is a C.sub.1-4 alkyl group (this alkyl group may optionally be substituted by a phenyl group), B is a C.sub.2-3 alkylene group (this alkylene group may optionally be substituted by a C.sub.1-4 alkyl group), X is an oxygen atom, a sulfur atom or NR.sup.7 (wherein R.sup.7 is a nitro group, a cyano group or a C.sub.1-4 alkoxy group), each of R.sup.1 and R.sup.2 which are independent of each other, is a hydrogen atom, a halogen atom, a C.sub.1-4 alkyl group or a C.sub.1-4 alkoxy group, E is a C.sub.1-2 alkylene group (this alkylene group may optionally be substituted by a C.sub.1-4 alkyl group), R.sup.3 is a phenyl group (this phenyl group may optionally be substituted by a halogen atom, a C.sub.1-4 alkyl group or a C.sub.1-4 alkoxy group), a C.sub.1-4 alkoxy group or a benzyloxy group, each of R.sup.4 and R.sup.5 which are independent of each other, is a C.sub.1-4 alkyl group (this alkyl group may optionally be substituted by a phenyl group), D is a C.sub.1-2 alkylene group (this alkylene group may optionally be substituted by a C.sub.1-4 alkyl group), and Ar is a phenyl group.
公式(I)或其盐的苯并咪唑衍生物:其中A为单键或C.sub.1-2烷基(该烷基可选择性地被C.sub.1-4烷基取代),R.sup.6为C.sub.1-4烷基(该烷基可选择性地被苯基取代),B为C.sub.2-3烷基(该烷基可选择性地被C.sub.1-4烷基取代),X为氧原子、硫原子或NR.sup.7(其中R.sup.7为硝基、氰基或C.sub.1-4烷氧基),R.sup.1和R.sup.2各自独立地为氢原子、卤素原子、C.sub.1-4烷基或C.sub.1-4烷氧基,E为C.sub.1-2烷基(该烷基可选择性地被C.sub.1-4烷基取代),R.sup.3为苯基(该苯基可选择性地被卤素原子、C.sub.1-4烷基或C.sub.1-4烷氧基取代)、C.sub.1-4烷氧基或苄氧基,R.sup.4和R.sup.5各自独立地为C.sub.1-4烷基(该烷基可选择性地被苯基取代),D为C.sub.1-2烷基(该烷基可选择性地被C.sub.1-4烷基取代),Ar为苯基。