Silica supported ammonium dihydrogen phosphate (NH4H2PO4/SiO2): A mild, reusable and highly efficient heterogeneous catalyst for the synthesis of 14-aryl-14-H-dibenzo[a,j]xanthenes

被引：28

作者：

Rostamizadeh, Shahnaz ^{[1
]}

Amani, Ali Mohammad ^{[1
]}

Mahdavinia, Gholam Hossein ^{[2
]}

Shadjou, Nasrin ^{[1
]}

机构：

[1] KN Toosi Univ Technol, Dept Chem, Tehran, Iran

[2] Islamic Azad Univ, Dept Chem, Marvdasht Branch, Marvdasht, Iran

来源：

CHINESE CHEMICAL LETTERS | 2009年 / 20卷 / 07期

关键词：

Xanthenes; Heterogeneous catalyst; Silica supported ammonium dihydrogen phosphate; PERCHLORIC-ACID HCLO4-SIO2; SANTALIN; XANTHENES; FACILE;

D O I：

10.1016/j.cclet.2009.03.016

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Silica supported ammonium dihydrogen phosphate (NH4H2PO4/SiO2) is found to be a recyclable heterogeneous catalyst for a rapid and efficient synthesis of various aryl-14-H-dibenzo[a,j]xanthenes with excellent yields under solvent-free conditions. The present methodology offers several advantages such as excellent yields, simple procedure, short reaction times and milder conditions. (C) 2009 Shahnaz Rostamizadeh. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.

引用

页码：779 / 783

页数：5

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