On the identity of a neo-lignan from the fruits of Virola sebifera

被引：58

作者：

Harrowven, DC ^{[1
]}

Newman, NA ^{[1
]}

Knight, CA ^{[1
]}

机构：

[1] Univ Southampton, Dept Chem, Southampton SO17 1BJ, Hants, England

来源：

TETRAHEDRON LETTERS | 1998年 / 39卷 / 37期

关键词：

natural products; annulation; transmetallation; Heck reactions; indenes; aldol reactions;

D O I：

10.1016/S0040-4039(98)01419-1

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

7-(3,4-Dimethoxyphenyl)-6-methylindeno[5,6-d] [1,3]dioxol-5-one 2 has been reported as a neo-lignan isolated from the fruits of Virola sebifera. However, physical and spectroscopic data obtained from two synthetic samples of 2 do not match those quoted in the isolation paper. Data obtained from an isomer, 3-(benzo[1,3]dioxol-5-yl)-5,6-dimethoxy-2-methylinden-1-one 10, are in closer agreement but rile C-13 NMR spectrum reveals many inconsistencies. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：6757 / 6760

页数：4

共 25 条

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