来自白玉兰的木脂素和新木脂素衍生物。

Lignan and neolignan derivatives from Magnolia denudata.

作者信息

Li Jun, Tanaka Makoto, Kurasawa Katsuki, Ikeda Tsuyoshi, Nohara Toshihiro

机构信息

Department of Medical and Pharmaceutical Sciences, Kumamoto University, Japan.

出版信息

Chem Pharm Bull (Tokyo). 2005 Feb;53(2):235-7. doi: 10.1248/cpb.53.235.

DOI:10.1248/cpb.53.235

PMID:15684526

Abstract

A new tricyclo[4.2.0.0(2,8)]octane-type neolignan, 6-allyl-7-(3,4-dimethoxyphenyl)- 2,3-dimethoxy-8-methyl-tricyclo[4.2.0.0(2,8)]oct-3-en-5-one, together with 15 known lignan and neolignan derivatives have been isolated from the flower buds of Magnolia denudata DESR. and the structures of these compounds have been elucidated based on the 1H- and 13C-NMR spectra and two-dimensional NMR methods such as HMBC, HMQC, and NOESY.

摘要

从玉兰的花芽中分离出一种新的三环[4.2.0.0(2,8)]辛烷型新木脂素，6-烯丙基-7-(3,4-二甲氧基苯基)-2,3-二甲氧基-8-甲基-三环[4.2.0.0(2,8)]辛-3-烯-5-酮，以及15种已知的木脂素和新木脂素衍生物。并根据1H-和13C-NMR光谱以及HMBC、HMQC和NOESY等二维NMR方法阐明了这些化合物的结构。