Synthesis of a Typical Glucuronide-Containing Saponin, 28-O-β-d-Glucopyranosyl Oleanate 3-O-β-d-Galactopyranosyl-(1→2)-[β-d-glucopyranosyl-(1→3)]-β-d-glucuronopyranoside
Wenjie Penga, Xiuwen Hana, Biao Yu*b a State Key Laboratory of Catalyst, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. of China b State Key Laboratory of Bio-organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. of China e-Mail: byu@mail.sioc.ac.cn;
