Silica Gel-Supported Polyphosphoric Acid (PPA/SiO2): An Efficient and Reusable Heterogeneous Catalyst for Facile Synthesis of 14-Aryl-14H-dibenzo[a,j]xanthenes under Solvent-free Conditions

被引：49

作者：

Khojastehnezhad, Amir ^{[1
]}

Davoodnia, Abolghasem ^{[1
]}

Bakavoli, Mehdi ^{[1
]}

Tavakoli-Hoseini, Niloofar ^{[1
]}

Zeinali-Dastmalbaf, Mohsen ^{[1
]}

机构：

[1] Islamic Azad Univ, Fac Sci, Dept Chem, Mashhad Branch, Mashhad, Iran

来源：

CHINESE JOURNAL OF CHEMISTRY | 2011年 / 29卷 / 02期

关键词：

14-Aryl-14H-dibenzo[a; j]xanthenes; PPA/SiO2; heterogeneous catalysis; green chemistry; solvent-free conditions; ONE-POT SYNTHESIS; IONIC LIQUID; SOLID ACIDS; CONDENSATION; DERIVATIVES; GREEN; HCLO4-SIO2;

D O I：

10.1002/cjoc.201190081

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A simple, efficient and green method for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes by a one-pot condensation reaction of beta-naphthol and aryl aldehydes using silica gel-supported polyphosphoric acid (PPA/SiO2), an effective and reusable catalyst, under solvent-free conditions is described. The present methodology offers several advantages, such as a simple procedure with an easy work-up, short reaction times, high yields, and the absence of any volatile and hazardous organic solvents.

引用

页码：297 / 302

页数：6

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