N-(9-fluorenylmethoxycarbonyl)-O-{2-acetoamido-2-deoxy-β-D-glucopyranosyl-(1->6)-[β-D-galactopyranosyl-(1->3)]-2-acetoamido-2-deoxy-α-D-galactopyranosyl}-L-serine tert-butyl ester 、
UDP-Gal 在
recombinant human β1,4-galactosyltransferase 、 2,6-di-O-methyl-β-cyclodextrin 、 manganese(ll) chloride 作用下,
反应 15.0h,
以93%的产率得到N-(9-fluorenylmethoxycarbonyl)-O-{β-D-galactopyranosyl-(1->4)-2-acetoamido-2-deoxy-β-D-glucopyranosyl-(1->6)-[β-D-galactopyranosyl-(1->3)]-2-acetoamido-2-deoxy-α-D-galactopyranosyl}-L-serine tert-butyl ester