(2S,6R)-(+)-benzyl 3-(dimethoxyphosphoryl)-4-hydroxy-2-methyl-6-phenyl-5,6-dihydropyridine-1-carboxylate 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以85%的产率得到(2S,6R)-(+)-benzyl 3-(dimethoxyphosphoryl)-4-hydroxy-2-methyl-6-phenylpiperidine-1-carboxylate