申请人:Kumiai Chemical Industry Co., Ltd.
公开号:US04968340A1
公开(公告)日:1990-11-06
A herbicidal alkanoic acid derivative of the formula: ##STR1## wherein R is ##STR2## wherein R.sup.3 is a hydrogen atom, a halogen atom, a halogen-substituted alkyl group, an alkyl group, a cycloalkyl group, an alkylthioalkyl group, a hydroxyalkyl group, a hydroxyl group, a cyano group, an acyloxyalkyl group, a thienyl group, a naphthyl group, a dihydronaphthyl group or ##STR3## wherein R.sup.8 is a hydrogen atom, a halogen atom, a nitro group, an alkyl group, an alkoxy group or --S(O).sub.n R.sup.9 wherein R.sup.9 is an alkyl group, and n is an integer of from 0 to 2, m is an integer of from 0 to 2, each of R.sup.2 and R.sup.4 which may be the same or different is a hydrogen atom or an alkyl group, or R.sup.2 and R.sup.4 form together with the adjacent carbon atom a 3-, 4-, 5- or 6-membered ring which may contain an oxygen atom and may be substituted by one or two alkyl groups, each of R.sup.5 and R.sup.6 which may be the same or different is a hydrogen atom or an alkyl group, R.sup.7 is an alkyl group or a phenyl group, or R.sup.6 and R.sup.7 form --(CH.sub.2).sub.l -- wherein l is an integer of 3 or 4 which may be substituted by one or two alkyl groups, or R is an alkenyl group, a dihydronaphthyl group, a tetrahydronaphthyl group, a 1-oxo-1,2,3,4-tetrahydronaphthyl group, a 1,2-epoxycycloalkyl group or an indanyl group which may be substituted by an alkyl or alkoxy group; R.sup.1 is a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, a phenyl group, an alkylideneamino group, an alkoxyalkyl group, an alkoxycarbonylalkyl group, a halogen-substituted alkyl group, a cycloalkyl group, a nitro-substituted phenylthioalkyl group, a halogen atom or a benzyl group which may be substituted by an alkyl or alkoxy group; or R and R.sup.1 form a ring; A is an alkyl group, an alkoxy group, an alkylthio group, a halogen atom, a halogen-substituted alkoxy group, an amino group, an alkylamino group or a dialkylamino group; B is a hydrogen atom, an alkyl group, an alkoxy group or a halogen-substituted alkoxy group; X is an oxygen atom or a sulfur atom; and Z is a methine group or a nitrogen atom; and a salt thereof.
一种杀草酸类衍生物的化学式:##STR1## 其中 R 是 ##STR2## 其中 R.sup.3 是氢原子,卤素原子,卤素取代的烷基团,烷基团,环烷基团,烷基硫烷基团,羟基烷基团,羟基团,氰基团,酰氧基烷基团,噻吩基团,萘基团,二氢萘基团或 ##STR3## 其中 R.sup.8 是氢原子,卤素原子,硝基团,烷基团,烷氧基团或 --S(O).sub.n R.sup.9 其中 R.sup.9 是烷基团,n 是从 0 到 2 的整数,m 是从 0 到 2 的整数,R.sup.2 和 R.sup.4 中的每一个可以相同也可以不同,是氢原子或烷基团,或 R.sup.2 和 R.sup.4 与相邻碳原子一起形成一个含有氧原子并且可能被一个或两个烷基团取代的 3、4、5 或 6 成员环,R.sup.5 和 R.sup.6 中的每一个可以相同也可以不同,是氢原子或烷基团,R.sup.7 是烷基团或苯基团,或 R.sup.6 和 R.sup.7 形成 --(CH.sub.2).sub.l -- 其中 l 是 3 或 4 的整数,可以被一个或两个烷基团取代,或 R 是烯基团,二氢萘基团,四氢萘基团,1-氧代-1,2,3,4-四氢萘基团,1,2-环氧环烷基团或可以被烷基或烷氧基取代的茚基团;R.sup.1 是氢原子,烷基团,烯基团,炔基团,苯基团,烷基亚胺基团,烷氧基烷基团,烷氧基羰基烷基团,卤素取代的烷基团,环烷基团,硝基取代的苯硫烷基团,卤素原子或可以被烷基或烷氧基取代的苄基团;或 R 和 R.sup.1 形成一个环;A 是烷基团,烷氧基团,烷基硫基团,卤素原子,卤素取代的烷氧基团,氨基,烷基氨基或二烷基氨基;B 是氢原子,烷基团,烷氧基团或卤素取代的烷氧基团;X 是氧原子或硫原子;Z 是一个亚甲基团或一个氮原子;及其盐。