2-methyl-5-vinyl-pyrimidine 、
8-ethyl-2-methyl-5-(2-(2-methylpyrimidin-5-yl)ethyl)-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole 、
草酸 以
N-甲基吡咯烷酮 为溶剂,
反应 3.5h,
以75%的产率得到8-ethyl-2-methyl-5-(2-(2-methylpyrimidin-5-yl)ethyl)-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole oxalate