Solvent-free synthesis of functionalized flavones under microwave irradiation

被引：111

作者：

Seijas, JA ^{[1
]}

Vázquez-Tato, MP ^{[1
]}

Carballido-Reboredo, R ^{[1
]}

机构：

[1] Univ Santiago de Compostela, Fac Ciencias, Dept Quim Organ, Lugo 27080, Spain

来源：

JOURNAL OF ORGANIC CHEMISTRY | 2005年 / 70卷 / 07期

关键词：

D O I：

10.1021/jo048685z

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Eco-friendly direct solvent-free synthesis of flavones is achieved by microwave irradiation of phloroglucinol and beta-ketoesters. Heating with microwaves versus under classical conditions was shown to be higher yielding, cleaner, and faster. The reaction goes through a cycloaddition of an alpha-oxo ketene intermediate followed by an uncatalyzed thermal Fries rearrangement.

引用

页码：2855 / 2858

页数：4

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