從黃花杜鵑Rhaododendronprzewalskii地上部分乙醇提取物中分得8個化合物,通過光譜和化學(xué)方法鑒定其結(jié)構(gòu)為：熊果酸(Ⅰ),(＋)-兒茶精(Ⅱ),松脂醇-4″-O-β-D-吡喃葡萄糖甙(Ⅲ),樺木甙(Ⅳ),樺木精醇(Ⅴ),木毒素-Ⅰ(Ⅵ),鬧羊花毒素-Ⅲ(Ⅶ)和馬醉木糖甙A(Ⅷ)。

Eight compounds were isolated from the ethanol exact of the aerial parts of Rhododendron przewalskiiMaxim..Their structures were identified by spectrusdofd and chemical methods as ursolic acid(i),(+)-catechin(II) pinoresinol-4-()-β-D-glucopyranoside(III).II was obtained from the genus Rhododendron L.for the first time.

國家自然科學(xué)基金資助