A new flavonoid from the stem bark of Acer tegmentosum

Publication date: April 2019Source: Biochemical Systematics and Ecology, Volume 83Author(s): Yan Hou, Chunmei Jin, Renbo An, Xiumei Yin, Yan Piao, Xiongjie Yin, Lili Jin, Changhao ZhangAbstractA new flavonoid, 6-carboxyl-(−)-catechin methyl ester (1) was isolated from the stem bark of Acer tegmentosum, along with six known flavonoids (2–7). The structure of compound 1 was determined by spectral analyses, including HR-ESI-MS, 1D and 2D NMR (COSY, HMQC and HMBC) experiments. From present investigation, compound 7 was isolated for the first time from the Aceraceae family.Graphical abstract
Source: Biochemical Systematics and Ecology - Category: Biochemistry Source Type: research