One step preparation of bromo-2-pyrones via bromo-decarboxylation of 2-pyrone-carboxylic acids

被引：42

作者：

Cho, CG ^{[1
]}

Park, JS ^{[1
]}

Jung, IH ^{[1
]}

Lee, H ^{[1
]}

机构：

[1] Hanyang Univ, Dept Chem, Seoul 131791, South Korea

来源：

TETRAHEDRON LETTERS | 2001年 / 42卷 / 06期

关键词：

Hundsdiecker reaction; halo-decarboxylation; Diels-Alder cycloaddition; 2-pyrones;

D O I：

10.1016/S0040-4039(00)02182-1

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Synthetically valuable 3-brorno-2-pyrone, 3-bromocoumarin, 5-bromo-2-pyrone, and 3,5-dibromo-2-pyrone were prepared in one step from readily available 2-pyrone-carboxylic acids via bromo-decarboxylation in good to fair yields. (C) 2001 Elsevier Science Ltd. All rights reserved.

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页码：1065 / 1067

页数：3

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