关键词: 核磁共振(NMR), 5,4′-二羟基二氢黄酮-7-O-α-L-鼠李糖（1→2）-β-D-葡萄糖苷, 7,4′-二羟基异黄酮-8-C-β-D-葡萄糖碳苷, 2D NMR, 虎皮楠

Abstract:

Two bioactive compounds were isolated from Daphniphyllum angustifolium Hutch. and purified by column chromatography with D101 macroporous resin adsorption, Sephadex LH-20 and Pre-HPLC. The compounds were characterized by UV, ESI-MS, ¹H NMR, ¹³C NMR and 2D NMR (HSQC, HMBC and NOESY) techniques. The ¹H NMR and ¹³C NMR signals of the compounds were assigned. Their structures were elucidated as 5,4′-dihydroxyflavanone-7-O-α-L-rhamnopyranosyl (1→2) -β-D-glucopyranoside and 7,4′-dihydroxy-isofavone-8-C-β-D-glucopyranoside, respectively.

Key words: NMR, 5,4′-dihydroxy-flavanone-7-O-α-L-rhamnopyranosyl（1→2）-β-D-glucopyranoside, 7,4′-dihydroxy-isofavone-8-C-β-D-glucopyranoside, 2D NMR, Daphniph yllum angustifolium Hutch.