4,5,6,7-tetrahydro-2-benzothiazolinone 、
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yielded 7.3 g of 2-(diethoxythiophosphoryloxy)-4,5,6,7-tetrahydrobenzothiazole having a refractive index of nD22 = 1.532的产率得到thiophosphoric acid
O,
O'-diethyl ester
O''-(4,5,6,7-tetrahydro-benzothiazol-2-yl) ester