9-{(2R,3R,4R,5S,6R)-4,5-Dihydroxy-6-hydroxymethyl-3-[((2R,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methoxy-tetrahydro-pyran-2-carbonyl)-amino]-tetrahydro-pyran-2-yloxy}-nonanoic acid methyl ester 在
苯磺酰胺 、 β(1-4)gal-t 、 sodium cacodylate buffer 、 magnesium chloride 作用下,
以
水 、
二甲基亚砜 为溶剂,
反应 100.0h,
生成 8-methoxycarbonyloctyl 5-N-acetyl-α-neuraminyl-(2->3)-β-D-galactopyranosyl-(1->4)-2-deoxy-2-(methyl-β-L-galactohexopyranosyluronamide)-β-D-glucopyranoside