Base-catalyzed condensation of 2-hydroxybenzaldehydes with α,β-unsaturated aldehydes -: Scope and limitations

被引：70
|
作者：
Lesch, B
Toräng, J
Vanderheiden, S
Bräse, S
机构：
[1] Univ Karlsruhe, Inst Organ Chem, TH, D-76131 Karlsruhe, Germany
[2] Univ Bonn, Inst Organ Chem, D-53121 Bonn, Germany
来源：
ADVANCED SYNTHESIS & CATALYSIS | 2005年 / 347卷 / 04期
关键词：
gamma-aldol reaction; enols; enones; nucleophilic addition; oxygen heterocycles;
D O I：
10.1002/adsc.200404239
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The base-catalyzed condensation of alpha,beta-unsaturated carbonyl compounds with 2-hydroxybenzaldehydes yielding tetrahydroxanthones and dihydrobenzopyrans has been investigated. A novel access to highly functionalized dihydrobenzopyrans via a mild generation of the dienol of senecialdehyde and subsequent conjugated aldol reaction has been reported.
引用
收藏
页码：555 / 562
页数：8
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