An organophosphorus compound having the formula: ##STR1## wherein each of X.sub.1, X.sub.2 and X.sub.3 is a hydrogen atom; an alkyl, alkoxy or alkenyl group which may be substituted by halogen, alkoxy, alkylthio, cycloalkyl or phenyl; a phenyl group which may be substituted by halogen; or a cycloalkyl group, each of Y.sub.1, Y.sub.2 and Y.sub.3 is an oxygen atom or a sulfur atom, Z is a carbonyl group; or a methylene group which may be substituted by a cycloalkyl group, by a phenyl group which may be substituted by halogen, or by an alkyl, alkoxy or alkenyl group which may be substituted by halogen, alkoxy alkylthio, cycloalkyl or phenyl, and each of R.sub.1 and R.sub.2 is an alkyl group which may be substituted by halogen, alkoxy or alkylthio.
化合物的中文翻译如下:
一种有机
磷化合物,其
化学式为:##STR1## 其中X1、X2和X3中的每一个是氢原子;可以被卤素、烷氧基、烷基
硫、环烷基或苯基取代的烷基、烷氧基或烯基;可以被卤素取代的苯基;或环烷基,Y1、Y2和Y3中的每一个是氧原子或
硫原子,Z是羰基;或者是一个甲基,可以被环烷基、可以被卤素取代的苯基或可以被卤素、烷氧基、烷基
硫、环烷基或苯基取代的烷基、烷氧基或烯基取代,R1和R2中的每一个是可以被卤素、烷氧基或烷基
硫取代的烷基。