cis-4-[(3,5-bis-trifluoromethyl-benzyl)-methoxycarbonyl-amino]-6,7-dimethoxy-2-methyl-3,4-dihydro-2H-quinoline-1-carboxylic acid ethyl ester 、
碘甲烷 在
ammonium chloride 作用下,
以
四氢呋喃 为溶剂,
生成 cis-4-{[1-(3,5-Bis-trifluoromethyl-phenyl)-ethyl]-methoxycarbonyl-amino}-6,7-dimethoxy-2-methyl-3,4-dihydro-2H-quinoline-1-carboxylic acid ethyl ester