3a,4,6,7-tetrahydro-N,N-dimethyl-3-phenyl-7-(phenylmethylene)thiopyrano[4,3-c]pyrazole-2(3H)-propanamine-5,5-dioxide 、
盐酸 、 、
乙醚 在
乙醚 作用下,
以
丁酮 为溶剂,
反应 16.0h,
以to give 3.5g of material, melting point 183°-185°C的产率得到3a,4,6,7-Tetrahydro-N,N-dimethyl-3-phenyl-7-(phenylmethylene)thiopyrano[4,3-c]pyrazole-2(3H)-propanamine-5,5-dioxide, hydrochloride