An organophosphorus compound having the formula:
wherein each of X1, X2 and X3 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 Y1, Y2 and Y3 is an oxygen atom or a sulfur atom, Z is a carbonyl group; or a methylene group which may be substituted by a cyloalkyl 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 R1 and R2 is an alkyl group which may be substituted by halogen, alkoxy or alkylthio.
一种有机
磷化合物,其式如下 其中X1、X2和X3各为氢原子;可被卤素、烷氧基、烷
硫基、环烷基或苯基取代的烷基、烷氧基或烯基;可被卤素取代的苯基;或环烷基,Y1、Y2和Y3各为氧原子或
硫原子,Z为羰基; 或可被环烷基取代的亚甲基,可被卤素取代的苯基,或可被卤素、烷氧基、烷
硫基、环烷基或苯基取代的烷基、烷氧基或烯基,且 R1 和 R2 各为可被卤素、烷氧基或烷
硫基取代的烷基。