[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(3-cyano-2-oxo-5,6,7,8-tetrahydroquinolin-1-yl)oxan-2-yl]methyl acetate 在
氨 作用下,
以
甲醇 为溶剂,
反应 8.0h,
以80%的产率得到2-oxo-1-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-5,6,7,8-tetrahydroquinoline-3-carbonitrile