methyl 4,6-O-benzylidene-3-tert-butoxycarbonylamino-3-C-tert-butoxycarbonylaminomethyl-2,3-dideoxy-α-D-arabino-hexopyranoside 在
N-溴代丁二酰亚胺(NBS) 作用下,
以
四氯化碳 为溶剂,
反应 1.0h,
以100%的产率得到methyl 4-O-benzoyl-6-bromo-3-tert-butoxycarbonylamino-3-C-tert-butoxycarbonylaminomethyl-2,3,6-trideoxy-α-D-arabino-hexopyranoside