2-N-(benzyloxycarbonyl)-aminoethyl O-(5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranosylonic acid)-(2->3)-O-(β-D-galactopyranosyl)-(1->4)-O-β-D-glucopyranoside 、
P'-[2-(acetylamino)-2-deoxy-α-D-glucopyranosyl] ester uridine 5'-(trihydrogen diphosphate), disodium salt 在
乙二胺四乙酸 、 N-acetylgalactosamyl transferase 、 UDP-N-acetylglucosamine 4-epimerase 、
2-巯基乙醇 、 sodium chloride 、 magnesium chloride 、 alkaline phosphatase 作用下,
反应 16.0h,
以78%的产率得到2-N-(benzyloxycarbonyl)-aminoethyl O-(5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranosylonic acid)-(2->3)-[2-acetamido-2-deoxy-O-β-D-galactopyranosyl-(1->4)]-O-(β-D-galactopyranosyl)-(1->4)-O-β-D-glucopyranoside