申请人:Daicel Chemical Industries Ltd.
公开号:US04844732A1
公开(公告)日:1989-07-04
A compound of the formula (I) ##STR1## or a salt thereof, wherein R is hydrogen atom, phenyl group which may be substituted freely or a group of --(CH.sub.2).sub.n --R.sub.1 wherein n is an interger from 1 to 3 and R.sub.1 is hydrogen atom, hydroxy group, lower alkoxy group, mercapto group, lower alkylthio group, amino group, di-lower alkylamino group, C.sub.3-11 alkyl group, lower alkenyl group, lower alkynyl group, cycloalkyl group, 5- or 6-membered heterocyclic group, or phenyl group which may be substituted by one or two substituents of halogen, lower alkyl or lower alkoxy; R.sub.2 and R.sub.7 are different, hydrogen atom, C.sub.1-11 alkyl group, lower alkenyl group, lower alkynyl group, cycloalkyl group, lower alkoxyalkyl group, lower alkylthioalkyl group, phenyl group whch may be substiuted freely, aralkyl group whose nucleus may be substituted by one or two substituents of halogen, lower alkyl or lower alkoxy or haloalkyl gorup or 5- or 6-membered heterocyclic group; R.sub.3, R.sub.4 and R.sub.5 are, the same or different, hydrogen atom, halogen atom, cyano group, nitro group, amino group, lower alkyl group, lower haloalkyl group, hydroxy group, lower alkoxygroup, aryloxy group, carboxy group or lower alkoxycarbonyl group; R.sub.6 is hydrogen atom, halogen atom, lower alkyl group, phenyl group which may be substituted freely or aralkyl group which may be substituted freely; or R.sub.6 and R.sub.7 may be combined to form a group of --(CH.sub.2).sub.m --(m is 3 or 4), which is useful e.g., a plant growth inhibitor.
化合物的公式(I) ##STR1## 或其盐,其中R为氢原子,苯基可自由取代或--(CH.sub.2).sub.n --R.sub.1基团,其中n为1至3的整数,R.sub.1为氢原子,羟基,低烷氧基,硫巴甲基,低烷基硫基,氨基,二低烷氨基,C.sub.3-11烷基,低烯基,低炔基,环烷基,5-或6-成员杂环基或苯基,其可以被卤素,低烷基或低烷氧基的一个或两个取代基所取代;R.sub.2和R.sub.7不同,为氢原子,C.sub.1-11烷基,低烯基,低炔基,环烷基,低烷氧基烷基,低烷硫基烷基,苯基可自由取代,其核可以被卤素,低烷基或低烷氧基或卤代烷基或5-或6-成员杂环基所取代;R.sub.3,R.sub.4和R.sub.5相同或不同,为氢原子,卤素原子,氰基,硝基,氨基,低烷基,低卤代烷基,羟基,低烷氧基,芳氧基,羧基或低烷氧羰基;R.sub.6为氢原子,卤素原子,低烷基,苯基可自由取代或苯基可自由取代的芳基烷基;或R.sub.6和R.sub.7可以结合成为--(CH.sub.2).sub.m --(m为3或4)的基团,例如用作植物生长抑制剂。