N-acetyl-D-mannosamine 、
sodium pyruvate 、
3-azidopropyl β-D-galactopyranosyl-(1->4)-β-D-glucopyranoside 在
胞苷-5’-三磷酸 、 magnesium chloride E
. coli sialic acid aldolase 、
N. meningitidis CMP-sialic acid synthetase 、 Photobacterium damsela α-2,6-sialyltransferase 作用下,
以
水 为溶剂,
以98%的产率得到3-azidopropyl O-(5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonic acid)-(2->6)-O-β-D-galactopyranosyl-(1->4)-β-D-glucopyranoside