phenyl (2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-(1->4)-6-O-(tert-butyldiphenylsilyl)-2-deoxy-2-(2,2,2-trichloroethoxy)carbonylamino-1-thio-β-D-glucopyranoside 、
乙酸酐 在
吡啶 作用下,
反应 3.0h,
以97%的产率得到phenyl (2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-(1->4)-6-O-(tert-butyldiphenylsilyl)-3-O-acetyl-2-deoxy-2-(2,2,2-trichloroethoxy)carbonylamino-1-thio-β-D-glucopyranoside