Application of the ultrasound in the mild synthesis of substituted 2,3-dihydroquinazolin-4(1H)-ones catalyzed by heterogeneous metal-MWCNTs nanocomposites

被引：28

作者：

Safari, Javad ^{[1
]}

Gandomi-Ravandi, Soheila ^{[1
]}

机构：

[1] Univ Kashan, Coll Chem, Dept Organ Chem, Lab Organ Compound Res, Kashan, Iran

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2014年 / 1072卷

关键词：

Ultrasound irradiation; Quinazolinone; Transition metals; Supported catalyst; WALLED CARBON NANOTUBES; HIGHLY EFFICIENT SYNTHESIS; MULTICOMPONENT REACTIONS; QUINAZOLINONE DERIVATIVES; CHEMICAL OXIDATION; ACID; ELECTROCATALYSTS; INHIBITION; NANOFIBERS; ALKALOIDS;

D O I：

10.1016/j.molstruc.2014.05.002

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A practical method were applied successfully to synthesize mono- and disubstituted dihydroquinazolinones through three-component condensation of isatoic anhydride, primary amines or ammonium acetate with aromatic aldehydes in the presence of some transition metals-multi-walled carbon nanotubes under sonication. Also, metals supported on MWCNTs showed excellent catalytic performance for above-mentioned condensation. This methodology provides general, easy and efficient approach to afford the corresponding aryl substituted quinazolinone derivatives using mentioned nanocomposites as catalyst under sonication in excellent yields. The advantages of present protocol are convenient reaction, simple work-up, greenness, energy efficiency and reusable catalyst as well as mild reaction conditions. The employed metal MWCNTs catalysts are heterogeneous and recyclable, that make the process more environmentally friendly. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：173 / 178

页数：6

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