1-[[3,5-bis(trifluoromethyl)phenyl]methoxy]-3-(3,4-dichlorophenyl)-5-formyl-2(Z)-pentanone O-methyl-oxime 、
2-(1-Piperidin-4-ylmethyl-piperidin-2-yl)-ethanol 在
2,2,2-三氟乙醇 、 3 A molecular sieve 、 sodium cyanoborohydride 作用下,
生成 1-(3,5-Bis-trifluoromethyl-benzyloxy)-3-(3,4-dichloro-phenyl)-5-{4-[2-(2-hydroxy-ethyl)-piperidin-1-ylmethyl]-piperidin-1-yl}-pentan-2-one O-methyl-oxime