3-azidopropyl 2-acetamido-2-deoxy-α-D-galactopyranoside 、
N-acetyl-D-mannosamine 、
sodium pyruvate 在
N. meningitidis CMP-sialic acid synthetase alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase 、
胞苷-5’-三磷酸 、 magnesium chloride 作用下,
以
水 为溶剂,
以61%的产率得到3-azidopropyl O-[sodium (5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosyl)onate]-(2->6)-O-2-acetamido-2-deoxy-α-D-galactopyranoside