tert-butyl 4-{[(4-methyl-3-nitropyridin-2-yl)amino]methyl}spiro[cyclohexane-1,3'-indole]-1'(2'H)-carboxylate 在
钯 氮 、
氢气 作用下,
以
乙醇乙酸乙酯 为溶剂,
以to give tert-butyl 4-{[(3-amino-4-methylpyridin-2-yl)amino]methyl}spiro[cyclohexane-1,3′-indole]-1′(2′H)-carboxylate, 26, which的产率得到tert-butyl 4-{[(3-amino-4-methylpyridin-2-yl)amino]methyl}spiro[cyclohexane-1,3'-indole]-1'(2'H)-carboxylate