Phosphorothiolates represented by the formula, ##STR1## wherein R is an alkyl; A is an alkyl, haloalkyl, alkenyl, alkinyl, alkylthioalkyl, phenylthioalkyl, phthalimidoalkyl or phenylalkyl; X is hydrogen, a halogen or an alkyl; and n is an integer of 1 to 5, are obtained by (1) reacting sodium or potassium hydrosulfide with a compound represented by the formula, ##STR2## WHEREIN R, X, and n have the same significances as mentioned above, to prepare a thiophosphate represented by the formula, ##STR3## wherein R, X and n have the same significances as mentioned above; and M is an alkali metal, and then (2) reacting said thiophosphate with a halide represented by the formula, Y--A wherein A has the same significance as mentioned above; and Y is a halogen. The phosphorothiolates have insecticidal and fungicidal activities.
磷酸硫酯的
化学式为##STR1##其中R是烷基; A是烷基,卤代烷基,烯基,炔基,烷
硫基烷基,苯
硫基烷基,邻苯二甲
酰亚胺烷基或苯基烷基; X是氢,卤素或烷基; n是1到5的整数。通过以下步骤可以获得这些
磷酸硫酯:(1)将氢
硫化
钠或氢
硫化
钾与化合物反应,该化合物的
化学式为##STR2##其中R,X和n的含义与上述相同,以制备由下式表示的
硫代磷酸酯,##STR3##其中R,X和n的含义与上述相同; M是碱
金属,然后(2)将所述
硫代磷酸酯与
化学式为Y-A的卤代物反应,其中A具有与上述相同的含义; Y是卤素。这些
磷酸硫酯具有杀虫和杀菌活性。