4-(dimethylamino)-4-phenyl-spiro[cyclohexane-1,8'-(5,6,8,9-tetrahydro-thiopyrano[3,4-b]-7-azaindole)] 、
柠檬酸 以
二氯甲烷 、
乙酸乙酯 为溶剂,
反应 17.0h,
以92%的产率得到4-(dimethylamino)-4-phenyl-spiro[cyclohexane-1,8'-(5,6,8,9-tetrahydro-thiopyrano[3,4-b]-7-azaindole)] citrate