484002-04-2Relevant articles and documents
Synthesis of a typical N-acetylglucosamine-containing saponin, oleanolic acid 3-yl α-L-arabinopyranosyl-(1→2)-α-L-arabinopyranosyl-(1→6)- 2-acetamido-2-deoxy-β-D-glucopyranoside
Sun, Jiansong,Han, Xiuwen,Yu, Biao
, p. 827 - 833 (2003)
Oleanolic acid 3-yl α-L-arabinopyranosyl-(1→2)-α-L-arabinopyranosyl-(1→6)- 2-acetamido-2-deoxy-β-D-glucopyranoside, a cytotoxic saponin isolated from Acacia tenuifolia and Albizia subdimidiata with a typical structure of the N-acetylglucosamine-containing plant saponins, was synthesized. The synthesis adopted a stepwise glycosylation fashion employing glycosyl trifluoroacetimidates 5 and 9 and thioglycoside 12 as donors.