Chukfuransins A-D, Four New Phragmalin Limonoids with β-Furan Ring Involved in Skeleton Reconstruction from Chukrasia tabularis

被引：12

作者：

Hu, Kun ^{[1
,2
]}

Liu, Jie-Qing ^{[1
]}

Li, Xiao-nian ^{[1
]}

Chen, Jian-Chao ^{[1
]}

Zhang, Wei-Ming ^{[1
,3
]}

Li, Yan ^{[1
]}

Li, Liang-qun ^{[1
,3
]}

Guo, Lin-lin ^{[1
]}

Ma, Wei-guang ^{[2
]}

Qiu, Ming-Hua ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650204, Peoples R China

[2] Yunnan Univ Tradit Chinese Med, Kunming 650500, Peoples R China

[3] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

来源：

ORGANIC LETTERS | 2013年 / 15卷 / 15期

关键词：

MELIACIN; ESTERS; SEEDS;

D O I：

10.1021/ol401650m

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Four new phragmalin limonoids (chukfuransins A-D) were isolated from the twigs and leaves of Chukrasia tabularis. Chukfuransins A (1) and B (2) feature a unique C-15/C-20 linkage proposed to be built by a biogenetic pathway involving Michael addition. Chukfuransins C (3) and D (4) feature the C-15/C-21 linkage. Their structures and absolute configurations were established by NMR techniques and X-ray crystallographic analysis.

引用

页码：3902 / 3905

页数：4

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