Chemical intermediates, useful in making insecticidal organophosphorus compounds, having the formula
wherein Rand R'together form a 1,3-butadien-1,4-diylgroup optionally substituted with a methyl or chloro group, orR and R' together form a 1,2-ethenediylthio group wherein sulfur is attached to carbon and R' is hydrogen or halogen.
可用于制造杀虫有机
磷化合物的
化学中间体,其式中 Rand R'共同组成可选被甲基或
氯基取代的
1,3-丁二烯-1,4-二基,或 R 和 R'共同组成 1,2-
乙烯二
硫基,其中
硫与碳相连,R'为氢或卤素。