methyl 4-[(4-phenyl-3,6-dihydropyridin-1(2H)-yl)sulfonyl]methylpiperidine-4-carboxylate 、
3-(三氟甲氧基)苯甲酸 在
N-甲基吗啉 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 2.0h,
以63%的产率得到methyl 4-[(4-phenyl-3,6-dihydropyridin-1(2H)-yl)sulfonyl]methyl-1-[3-(trifluoromethoxy)benzoyl]piperidine-4-carboxylate