(R)-[4-(2-ethyl-4-oxo-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carbonyl)-cyclohexyl]-acetic acid ethyl ester 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 1.0h,
生成 (2R,4R)-[4-(2-ethyl-4-hydroxy-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carbonyl)-cyclohexyl]-acetic acid ethyl ester 、 (2R,4S)-[4-(2-ethyl-4-hydroxy-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carbonyl)-cyclohexyl]-acetic acid ethyl ester