(2R)-2-ethyl-4-chloro-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid iso-propyl ester 、
benzhydrylidene-(3,5-bis-trifluoromethyl-benzyl)-amine 在
sodium hexamethyldisilazane 作用下,
以
四氢呋喃 、
N,N-二甲基甲酰胺 为溶剂,
反应 0.33h,
生成 (2R,4R,4aS)-4-[(benzhydrylidene-amino)-(3,5-bis-trifluoromethyl-phenyl)-methyl]-2-ethyl-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid isopropyl ester 、 (2R,4R,4aR)-4-[(benzhydrylidene-amino)-(3,5-bis-trifluoromethyl-phenyl)-methyl]-2-ethyl-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid isopropyl ester