Ultrasound-promoted greener synthesis of aryl-14-H-dibenzo[a,j]xanthenes catalyzed by NH4H2PO4/SiO2 in water

被引：78

作者：

Mahdavinia, Gholam Hossein ^{[1
]}

Rostamizadeh, Shahnaz ^{[2
]}

Amani, Ali Mohammad ^{[2
]}

Emdadi, Zynab ^{[2
]}

机构：

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

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

来源：

ULTRASONICS SONOCHEMISTRY | 2009年 / 16卷 / 01期

关键词：

Xanthenes; Heterogeneous catalyst; Ultrasonic-assisted reaction; Silica supported ammonium dihydrogen phosphate; EFFICIENT SYNTHESIS; SANTALIN; CONDENSATION; XANTHENES; KETONES; FACILE; MILD; ACID;

D O I：

10.1016/j.ultsonch.2008.05.010

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

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 using ultrasonic irradiation. The present methodology offers several advantages such as excellent yields, simple procedure, short reaction times and milder conditions. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：7 / 10

页数：4

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