、
4,9-dimethyl-2,3,4,9-tetrahydro-thiopyrano[2,3-b]indole-4-carbaldehyde 、 、
甲胺 以
苯 、
甲醇 为溶剂,
反应 2.0h,
以to give 4,9-dimethyl-4-methyliminomethyl-2,3,4,9-tetrahydrothiopyrano[2,3-b]indole (IR: νmaxCHCl3 1660 cm-1)的产率得到4,9-Dimethyl-4-methyliminomethyl-2,3,4,9-tetrahydrothiopyrano[2,3-b]indole