[(2R,3S,4S,5R,6R)-3,4,5-triacetoxy-6-[3-cyano-6-(4-methoxyphenyl)-2-oxo-4-phenyl-1-pyridyl]tetrahydropyran-2-yl]methyl acetate 在
氨 作用下,
以
甲醇 为溶剂,
以82%的产率得到6-(4-Methoxy-phenyl)-2-oxo-4-phenyl-1-((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yl)-1,2-dihydro-pyridine-3-carbonitrile