(R)-methoxytrifluoromethylphenylacetyl chloride 、
3-ethyl 5-methyl (-)-2-[(2-(2-aminoethoxy)ethoxy)methyl]-4-(2,3-dichlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate 在
三乙胺 作用下,
以
二氯甲烷 为溶剂,
生成 (S)-4-(2,3-Dichloro-phenyl)-2-methyl-6-{2-[2-((S)-3,3,3-trifluoro-2-methoxy-2-phenyl-propionylamino)-ethoxy]-ethoxymethyl}-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-ethyl ester 3-methyl ester