Citric acid as a mild and inexpensive organocatalyst for synthesis of tetrahydrobenzo[a] xanthen-11-ones and dibenzo [a,j] xanthenes under solvent-free condition

被引：0

作者：

Pawar, P. B. ^{[1
]}

Jadhav, S. D. ^{[1
]}

Deshmukh, M. B. ^{[2
]}

Patil, Suresh ^{[1
]}

机构：

[1] PDVP Coll, PG Dept Chem, Organ Res Lab, Tasgaon 416312, India

[2] Shivaji Univ, Dept Chem, Kolhapur 416004, Maharashtra, India

来源：

INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY | 2014年 / 53卷 / 09期

关键词：

Citric acid; solvent free condition; xanthenes; ONE-POT SYNTHESIS; BETA-NAPHTHOL; EFFICIENT; DERIVATIVES; CATALYST; CONDENSATION; ALDEHYDES;

D O I：

暂无

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A simple and efficient protocol has been developed for the synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a] xanthen-11-one derivatives, I employing a one-pot three-component reaction of aldehydes, 2-naphthol and dimedone in the presence of citric acid under solvent-free condition at 120 degrees C. The protocol has been also extended for the synthesis of 14-aryl-14H-dibenzo [a.j] xanthenes, II by employing 1:2 proportion of aldehyde and 2-naphthol, to afford excellent yield in short reaction time.

引用

页码：1185 / 1193

页数：9

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