Structure elucidation and NMR spectral assignment of five new xanthones from the bark of Garcinia xanthochymus

被引：22

作者：

Chen, Yu ^{[1
,2
]}

Zhong, Fangfang ^{[3
]}

He, Hongwu ^{[1
]}

Hu, Yun ^{[3
]}

Zhu, Dan ^{[3
]}

Yang, Guangzhong ^{[3
]}

机构：

[1] Cent China Normal Univ, Minist Educ, Key Lab Pesticide & Chem Biol, Wuhan 430079, Peoples R China

[2] S Cent Univ Nationalities, Coll Chem & Mat Sci, Wuhan 430074, Peoples R China

[3] S Cent Univ Nationalities, Coll Life Sci, Lab Nat Product Chem, Wuhan 430074, Peoples R China

来源：

MAGNETIC RESONANCE IN CHEMISTRY | 2008年 / 46卷 / 12期

基金：

中国国家自然科学基金;

关键词：

H-1; NMR; C-13; 2D NMR; xanthone; Garcinia xanthochymus;

D O I：

10.1002/mrc.2317

中图分类号：

O6 [化学];

学科分类号：

0703 [化学];

摘要：

Five new xanthones, namely Garcinexanthones A-E (1-5), were isolated from the barks of Garcinia xanthochymus. Their structures were elucidated by spectral analysis, primarily NMR, MS, and UV. The complete assignments of the H-1 NMR and C-13 NMR chemical shifts for the compounds were achieved by using D-1 and D-2 NMR techniques, including DEPT, HSQC, and HMBC NMR experiments. Copyright (C) 2008 John Wiley & Sons, Ltd.

引用

页码：1180 / 1184

页数：5

共 21 条

[1]

Trypanocidal constituents in plants 2.: Xanthones from the stem bark of Garcinia subelliptica [J].