Efficient one-pot synthesis of 14-aryl-14H-dibenzo [a,j]xanthene derivatives promoted by niobium pentachloride

被引：25

作者：

Bartolomeu, Aloisio de Andrade ^{[1
]}

de Menezes, Manoel Lima ^{[1
]}

da Silva Filho, Luiz Carlos ^{[1
]}

机构：

[1] Sao Paulo State Univ UNESP, Fac Sci, Dept Chem, LaOSP, BR-17033360 Sao Paulo, Brazil

来源：

CHEMICAL PAPERS | 2014年 / 68卷 / 11期

基金：

巴西圣保罗研究基金会;

关键词：

niobium pentachloride; Lewis acid; one-pot condensation; 14-aryl-14H-dibenzo[a; j]xanthene; derivatives; REUSABLE CATALYST; XANTHENE DYES; ORGANIC-SYNTHESIS; HIGHLY EFFICIENT; SULFONIC-ACID; FACILE; 14-ALKYL; NBCL5; CHLORIDE; ANTIBACTERIAL;

D O I：

10.2478/s11696-014-0597-8

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A simple and efficient procedure for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthene derivatives through one-pot condensation of 2-naphthol with aryl aldehydes in the presence of niobium pentachloride is described. The reactions were carried out using 25 mole % of NbCl5, at ambient temperature, and in acceptable reaction times, affording excellent yields of the products.

引用

页码：1593 / 1600

页数：8

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