171820-91-0Relevant academic research and scientific papers
Direct glycosylation of protected O-tritylserine esters and oligopeptides
Rajca, Andrzej,Wiessler, Manfred
, p. 123 - 136 (2007/10/03)
N-Fmoc-3-O-Tr-L-serine methyl and benzyl esters, as well as a tripeptide FmocAlaSer(Tr)GlyOBn were directly glycosylated by 3,4,6-tri-O-acetyl-1,2-O-(1-cyanoethylidene)-α-D-galactopyranose in the presence of TrClO4 in dichloromethane, yielding 32-57percent of N-Fmoc-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-L-serine esters and the corresponding tripeptide.Keywords: Glycosylation; N-9-Fluorenylmethoxycarbonyl-O-tritylserine esters; Serine glycosides; Serine glycopeptides; Cyanoethylidene condensation
