Chukvelutins A-C, 16-Norphragmalin Limonoids with Unprecedented Skeletons from Chukrasia tabularis var. velutina

被引：42

作者：

Luo, Jun ^{[1
]}

Wang, Jun-Song ^{[1
]}

Luo, Jian-Guang ^{[1
]}

Wang, Xiao-Bing ^{[1
]}

Kong, Ling-Yi ^{[1
]}

机构：

[1] China Pharmaceut Univ, Dept Nat Med Chem, Nanjing 210009, Peoples R China

来源：

ORGANIC LETTERS | 2009年 / 11卷 / 11期

关键词：

ORTHO ESTERS; TETRANORTRITERPENOIDS; MANGROVE; LEAVES; TWIGS;

D O I：

10.1021/ol900589h

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Three new 16-norphragmalin limonoids, chukvelutins A-C (1-3), were isolated from the stem bark of Chukrasia tabularis var. velutina, which possess unprecedented skeletons, featured with a characteristic ketal moiety between the phragmalin skeleton and a biosynthetically extended isobutyryl group at C-15. Their structures were elucidated by extensive spectroscopic technologies.

引用

页码：2281 / 2284

页数：4

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