申请人:Otsuka Kagaku Kabushiki Kaisha
公开号:US05866594A1
公开(公告)日:1999-02-02
An object of the invention is to provide an indole-2-carboxylic acid ester derivative which shows a selectively high fungicidal effect on fungicide-resistant fungi. The indole-2-carboxylic acid ester derivative of the invention is a compound represented by the formula ##STR1## wherein R.sup.1 is a hydrogen atom, a hydroxy group, a C.sub.1-4 acyl group, a C.sub.1-4 acyloxy group, a C.sub.1-4 alkoxy group, a (C.sub.1-4 alkoxycarbonyl)oxy group, a phenoxycarbonyl group or a C.sub.1-4 alkoxycarbonyl group, R.sup.2 is a C.sub.1-4 alkyl group, R.sup.3 is a hydrogen atom, a C.sub.1-4 alkyl group, a C.sub.2-4 alkenyl group, a phenyl group, a cyano group, a carbamoyl group or the like, R.sup.4 and R.sup.5 are the same or different and each represents C.sub.1-4 alkyl group or a halogen atom.
本发明的一个目的是提供一种对抗真菌药物耐药真菌具有选择性高杀菌效果的吲哚-2-羧酸酯衍生物。本发明的吲哚-2-羧酸酯衍生物是一种由下式表示的化合物
其中R^1是氢原子、羟基、C.sub.1-4酰基、C.sub.1-4酰氧基、C.sub.1-4烷氧基、(C.sub.1-4烷氧羰基)氧基、苯氧羰基或C.sub.1-4烷氧羰基,R^2是C.sub.1-4烷基,R^3是氢原子、C.sub.1-4烷基、C.sub.2-4烯基、苯基、氰基、氨基甲酰基或类似物,R^4和R^5相同或不同,每个代表C.sub.1-4烷基或卤素原子。