2-benzyl(benzyloxycarbonyl)amino-5-O-tert-butyldiphenylsilyl-2-deoxy-3,4-O-(1-methylethylidene)-L-xylose O-trifluoroacetyl S-phenyl monothioacetal 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以64%的产率得到2-benzylamino-1-O-2-N-carbonyl-2-deoxy-3,4-O-(1-methylethylidene)-5-O-tert-butyldiphenylsilyl-L-xylitol