滇重楼地上部分的配糖体

THE GLYCOSIDES OF AERILAL PARTS OF PARIS POLYPHYLLA VAR.YUNNANENSIS

从滇重楼ＰａｒｉｓｐｏｌｙｐｈｙｌｌａＳｍ．ｖａｒ．ｙｕｎｎａｎｅｎｓｉｓ（Ｆｒ．）Ｈ－Ｍ，地上部分，分离出４个微量的配糖体，经光谱分析和化学降解证明其化学结构分别为２５Ｓ－异钮替皂甙元－３－Ｏ－α－Ｌ－鼠李吡喃糖基（１→２）［α－Ｌ－鼠李吡喃糖基（１→４）］－β－Ｄ－葡萄吡喃甙（Ａ），２６－β－Ｄ－葡萄吡喃糖基－纽替皂甙元－３－Ｏ－α－Ｌ－鼠李吡喃糖基（１→２）［α－Ｌ－鼠李吡喃糖基（１→４）－β－Ｄ－葡萄吡喃糖甙（Ｂ），山奈酚－３－Ｏ－β－Ｄ－葡萄吡喃糖基（１→６）－β－Ｄ－葡萄吡喃甙（Ｃ），７－Ｏ－α－Ｌ－鼠李吡喃糖基－山奈酚－３－Ｏ－β－Ｄ－葡萄吡喃糖基（１→６）－β－Ｄ－葡萄糖甙（Ｄ）。

Isolationn and structural elucidation of four glycosides(A-D)from the aerial parts of Paris polyphylla var.yunnanensis (Fr.)H- M. On the basis of spectroscopic and chemical evidences,the structures of four glycosides were established as 25S-isonuatigenin-3- O-α-L- rhamnopyranosyl(1→2)[α-L-rhamnopyranosyl(1→4)]-β-D-glucopyranoside(A),26-O-β- D-glucopyranosyl-nuatigenin-3-O-α-L-rhamnopyranosyl(1→2)[α-L-rhamnopyranosyl(1→ 4)]-β-D-glucopyranoside(B),kaempferol-3-O-β-D-glucopyranosyl(1→6)-β-D-gluco- pyranoside(C),7-O-α-L-rhamnopyranosyl-kaempferol-3-O-β-D-glucopyranosyl(1→ 6)-β-D-glucopyranoside(D).