Acetic acid (2R,3R,4S,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-2-(3-cyano-2-oxo-5,6,7,8-tetrahydro-2H-quinolin-1-yl)-tetrahydro-pyran-3-yl ester 在
氨 作用下,
以
甲醇 为溶剂,
反应 8.0h,
以78%的产率得到2-oxo-1-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-5,6,7,8-tetrahydroquinoline-3-carbonitrile