Structures of new alkaloids sessilifoliamides A-D from Stemona sessilifolia

被引：42

作者：

Kakuta, D ^{[1
]}

Hitotsuyanagi, Y ^{[1
]}

Matsuura, N ^{[1
]}

Fukaya, H ^{[1
]}

Takeya, K ^{[1
]}

机构：

[1] Tokyo Univ Pharm & Life Sci, Sch Pharm, Tokyo 1920392, Japan

来源：

TETRAHEDRON | 2003年 / 59卷 / 39期

关键词：

sessilifoliamides A-D; Stemona alkaloids; pyrrolo[1,2-a]-azepine; Stemona sessilifolia; Stemonaceae;

D O I：

10.1016/S0040-4020(03)01235-3

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Four new Stemona alkaloids, sessilifoliamides A-D (1-4), were isolated front the roots of Stemona sessilifolia, along with five known alkaloids, stenine (5), 2-oxostenine (6), stemoninoamide (7), tuberostemonone (8), and neotuberostemonol (9). The structures and absolute configurations of the new alkaloids were determined by the spectral studies (HPMS, IR, H-1, C-13, and 2D NMR), single-crystal X-ray analyses, and chemical correlations. The absolute configuration of 7 was also determined by the modified Mosher's method. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：7779 / 7786

页数：8

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