N-[4-(4-piperidinyl)phenyl]-4'-(trifluoromethyl)-[1,1'-biphenyl]-2-carboxamide 、
disodium;carbonate 、
α-溴苯乙酸甲酯 在
正己烷 、
methyl α-phenyl-4-[4-[[[4'-(trifluoromethyl)[1,1'-biphenyl]-2-yl]carbonyl]amino]phenyl]-1-piperidineacetate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 3.0h,
以yielding 3.37 g of methyl α-phenyl-4-[4-[[[4′-(trifluoromethyl)[1,1′-biphenyl]-2-yl]carbonyl]amino]-phenyl]-1-piperidineacetate (intermediate 11, mp. 138° C.)的产率得到methyl α-phenyl-4-[4-[[[4'-(trifluoromethyl)[1,1'-biphenyl]-2-yl]carbonyl]amino]phenyl]-1-piperidineacetate