2-巯基乙醇 、
2-(3'-mercaptopropionylamido)ethyl β-D-galactopyranosyl-(1->3)-O-2-acetamido-2-deoxy-β-D-glucopyranoside 在
Thiopyridyl-activated Thiopropyl Sepharose 6B gel 作用下,
以
水 、
重水 为溶剂,
反应 16.0h,
生成 N-{2-[(2R,3R,4R,5S,6R)-3-Acetylamino-5-hydroxy-6-hydroxymethyl-4-((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-ethyl}-4-(2-hydroxy-ethyldisulfanyl)-butyramide