(2-amino-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1->4)-[tert-butyl (2,3-di-O-benzyl-N-benzyloxycarbonyl-1,5-dideoxy-1,5-imino-L-iditol)uronate] 、
乙酸酐 在
吡啶 作用下,
以96%的产率得到(2-acetamido-6-O-acetyl-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1->4)-[tert-butyl (2,3-di-O-benzyl-N-benzyloxycarbonyl-1,5-dideoxy-1,5-imino-L-iditol)uronate]