3,4,5,6,7,8-hexahydro-cycloheptathiazol-2-one 、
potassium carbonate 、
O,O-二乙基硫代磷酰氯 在
silica gel 、 cyclohexane, ethyl acetate 作用下,
以
丙酮 为溶剂,
反应 25.0h,
以gave 6 g of 2-(diethoxythiophosphoryloxy)-5,6,7,8-tetrahydro-4H-cycloheptathiazole with a refractive index of nD19 = 1.5246的产率得到thiophosphoric acid
O,
O'-diethyl ester
O''-(5,6,7,8-tetrahydro-4
H-cycloheptathiazol-2-yl) ester