An efficient and convenient protocol for the synthesis of novel 12-aryl- or 12-alkyl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-one derivatives

被引：130

作者：

Das, Biswanath ^{[1
]}

Laxminarayana, Keetha ^{[1
]}

Krishnaiah, Maddeboina ^{[1
]}

Srinivas, Yallamalla ^{[1
]}

机构：

[1] Indian Inst Chem Technol, Organ Chem Div 1, Hyderabad 500007, Andhra Pradesh, India

来源：

SYNLETT | 2007年 / 20期

关键词：

xanthene; three-component condensation reaction; 2-naphthol; aldehydes; cyclic 1,3-dicarbonyl compounds; NaHSO4 center dot SiO2;

D O I：

10.1055/s-2007-990922

中图分类号：

O62 [有机化学];

学科分类号：

070303 [有机化学]; 081704 [应用化学];

摘要：

An efficient and direct procedure for the synthesis of novel 12-aryl- or 12-alkyl-8,9,10,12-tetrahydrobenzo[a]xantben-11-one derivatives has been described. The process employs a three-component condensation reaction in one-pot using 2-naphthol, aldehydes and cyclic 1,3-dicarbonyl compounds in the presence of a catalytic amount of NaHSO4 center dot SiO2 in 1,2-dichloroethane under reflux.

引用

页码：3107 / 3112

页数：6

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