ethyl p-<3,6-di-O-acetyl-2-(tert-butoxycarbonyl)amino-2-deoxy-4-O-p-tolylsulfonyl-α-D-galactopyranosyloxy>cinnamate 在
sodium azide 作用下,
以
六甲基磷酰三胺 为溶剂,
反应 15.0h,
以60%的产率得到ethyl p-<3,6-di-O-acetyl-4-azido-2-(tert-butoxycarbonyl)amino-2,4-dideoxy-α-D-glucopyranosyloxy>cinnamate