期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 1072, 期 -, 页码 173-178出版社
ELSEVIER
DOI: 10.1016/j.molstruc.2014.05.002
关键词
Ultrasound irradiation; Quinazolinone; Transition metals; Supported catalyst
资金
- University of Kashan [256722/31]
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.
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