[Phenolic constituents of Ampelopsis grossedentata from zhangjiajie].

Objective: To study the phenolic constituents from Ampelopsis grossedentata.

Methods: Compounds were isolated using column chromatographic techniques (silica gel, polyamide gel, Sephadex LH-20) and semi-preparative HPLC. Structures were elucidated on the basis of spectral data (NMR and HR-MS).