申请人:Bayer Aktiengesellschaft
公开号:US04183742A1
公开(公告)日:1980-01-15
A 4,5-dichloro-imidazole-1-carboxylic acid aryl ester of the formula ##STR1## in which X represents trifluoromethyl, cyano or a group ##STR2## in which R.sup.1 represents an optionally substituted saturated or unsaturated aliphatic radical, R.sup.2 represents hydrogen, alkyl with 1 to 8 carbon atoms, alkenyl with up to 8 carbon atoms or the formyl group, R.sup.3 represents alkyl with 1 to 8 carbon atoms or alkenyl or alkynyl each with up to 8 carbon atoms, it being possible for each of these alkyl, alkenyl and alkynyl radicals to carry one or more substituents, or represents cycloalkyl with 5 to 7 carbon atoms in the ring which is optionally substituted by alkyl with 1 to 6 carbon atoms, or represents phenyl which may optionally carry one or more substituents, or R.sup.2 and R.sup.3 conjointly with the adjoining nitrogen atom form an optionally substituted 5- to 7-membered heterocyclic radical in which 1 to 3 ring members may be selected from oxygen, sulfur and nitrogen, Y represents halogen, alkyl with 1 to 6 carbon atoms, trifluoromethyl, alkoxy with 1 to 6 carbon atoms, nitro, cyano or a ##STR3## group, in which R.sup.4 represents alkyl with 1 to 6 carbon atoms and n represents 0, 1, 2, 3, 4, or 5, which possesses plant protection properties especially herbicidal and plant growth regulant properties.
化学式为##STR1##的
4,5-二氯咪唑-1-
羧酸芳基酯,其中X代表三
氟甲基、
氰基或一个##STR2##基团,其中R.sup.1代表一个可选取代的饱和或不饱和脂肪基,R.sup.2代表氢、1至8个碳原子的烷基、最多含有8个碳原子的烯基或甲酰基,R.sup.3代表1至8个碳原子的烷基、最多含有8个碳原子的烯基或炔基,这些烷基、烯基和炔基基团可以携带一个或多个取代基,或表示环中有5至7个碳原子的环烷基,该环可以被1至6个碳原子的烷基取代,或表示苯基,该苯基可以选择带有一个或多个取代基,或R.sup.2和R.sup.3与相邻的氮原子共同形成一个可选取代的5-至7-成员杂环基团,其中1至3个环成员可以选择来自氧、
硫和氮,Y代表卤素、1至6个碳原子的烷基、三
氟甲基、1至6个碳原子的烷氧基、硝基、
氰基或一个##STR3##基团,其中R.sup.4代表1至6个碳原子的烷基,n代表0、1、2、3、4或5,该化合物具有植物保护特性,特别是具有除草和
植物生长调节剂特性。