4-methyl 1-(4-nitrophenyl) 4-{[(4-phenyl-3,6-dihydropyridin-1(2H)-yl)sulfonyl]methyl}piperidine-1,4-dicarboxylate 、
N-甲基-L-脯氨醇 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
以94%的产率得到4-methyl 1-{[(2S)-1-methylpyrrolidin-2-yl]methyl} 4-{[(4-phenyl-3,6-dihydropyridin-1(2H)-yl)sulfonyl]methyl}piperidine-1,4-dicarboxylate