Tandem glycosylation of the 6-O-Fmoc-substituted benzyl orthoester derivative 2a was carried out in moderate yields by electrogenerated acid (EGA). The Fmoc group was effectively removed under mild basic conditions, and the product was submitted to the subsequent glycosylation.
通过电生酸(
EGA)对 6-O-Fmoc 取代的苄基原酯衍
生物 2a 进行了串联糖基化,产量适中。在温和的碱性条件下,Fmoc 基团被有效地去除,产物被用于随后的糖基化。