benzyl 2-amino-4-azido-2,4-dideoxy-β-L-arabinopyranoside 、
4-甲氧基苯甲醛 生成 (2S,3R,4R,5S)-5-Azido-2-benzyloxy-3-{[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-amino}-tetrahydro-pyran-4-ol 、 (2S,3S,4R,5R)-5-Azido-2-benzyloxy-4-{[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-amino}-tetrahydro-pyran-3-ol