A novel ketene S,S-acetal derivative which is useful as an antimycotic agent and an agricultural chemical of fungicidal, plant growth regulating or insecticidal properties represented by the general formula (I):
(in which R₁ represents a hydrogen atom, a wherein R represents a hydrogen atom; an alkyl group having 1 to 8 carbon atoms; a cycloalkyl group having 3 to 6 carbon atoms; a methylene group; a lower alkenyl group; a lower alkyl group substituted by a halogen atom, a cyano group, a lower alkoxyl group, a lower alkylthio group; a carbamoyl group, an acyl group, or an alkenoyloxy group; a phenyl group represented by
halogen atom, a straight or branched chain lower alkyl group, a lower alkoxyl group which may be substituted by one or more halogen atoms, a phenoxy group or a methylenedioxy group, and m represents an integer of 1 to 3); a benzyl group; a methylenedioxybenzyl group; a phenoxyalkyl group; a phenoxyalkyl group substituted by a halogen atom; a naphthyl group; or a substituted or unsubstituted pyridyl group.
一种新型烯酮 S,S-
缩醛衍
生物,可用作抗霉菌剂和具有杀菌、调节植物生长或杀虫特性的农用
化学品,由通式(I)表示:
其中 R₁ 代表氢原子,R 代表氢原子;具有 1 至 8 个碳原子的烷基;具有 3 至 6 个碳原子的环烷基;亚甲基;低级烯基;被卤素原子、
氰基、低级烷氧基、低级烷
硫基取代的低级烷基;
氨基甲酰基、酰基或烯酰氧基;苯基,其代表为:(1)、(2)、(3)、(4)、(5)、(6)和(7)。
卤素原子、直链或支链低级烷基、可被一个或多个卤素原子取代的低级烷氧基、苯氧基或亚甲基二氧基代表的苯基,且 m 代表 1 至 3 的整数);苄基;亚甲基二氧基苄基;苯氧基烷基;被卤素原子取代的苯氧基烷基;
萘基;或取代或未取代的
吡啶基。