methyl 3-[2-azido-4-(ethoxycarbonyl)phenyl]-1-(4-methoxybenzyl)-1,2-diazaspiro[4.5]dec-3-ene-2-carboxylate 以
邻二氯苯 为溶剂,
反应 2.0h,
以62%的产率得到6'-ethyl 1'-methyl 2'-(4-methoxybenzyl)-1',2',3',4'-tetrahydrospiro[cyclohexane-1,3'-pyrazolo[4,3-b]indole]-1',6'-dicarboxylate