(R)-2-ethyl-4-oxo-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid isopropyl ester 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 0.17h,
生成 (2R,4R)-2-ethyl-4-hydroxy-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid iso-propyl ester 、 (2R,4S)-2-ethyl-4-hydroxy-6-trifluoromethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid iso-propyl ester