(2R)-2-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-3,4-dihydro-4-oxo-6-phenyl-1(2H)-pyridinecarboxylic acid (1,1-dimethyl)ethyl ester 在
sodium tetrahydroborate 、 cerium(III) chloride heptahydrate 作用下,
以
甲醇 为溶剂,
反应 0.75h,
以71%的产率得到(2R,4S)-2-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-3,4-dihydro-4-hydroxy-6-phenyl-1(2H)-pyridinecarboxylic acid (1,1-dimethyl)ethyl ester