Acetic acid (2R,3S,4R,5R,6S)-3-acetoxy-2-acetoxymethyl-6-(bis-benzyloxy-phosphoryloxy)-5-{[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-amino}-tetrahydro-pyran-4-yl ester 在
silica gel 作用下,
以
甲醇 、
氯仿 为溶剂,
反应 48.0h,
生成
Acetic acid (2R,3S,4R,5R,6R)-3-acetoxy-2-acetoxymethyl-5-amino-6-(bis-benzyloxy-phosphoryloxy)-tetrahydro-pyran-4-yl ester