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
收藏
页码：2281 / 2284
页数：4
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