期刊
CHINESE JOURNAL OF CHEMISTRY
卷 26, 期 11, 页码 2107-2111出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.200890376
关键词
benzo[4,5]imidazo[1,2-a]pyrimidine; solvent-free; one-pot synthesis; sulfamic acid
资金
- National Natural Science Foundation of China [20672090]
- Natural Science Foundation of Jiangsu Province [BK 2006033]
- Six Kinds of Professional Elite Foundations of Jiangsu Province [06-A-039]
- Natural Science Foundation of Xuzhou City [XJ07065]
A simple convenient procedure for the synthesis of benzo[4,5]imidazo[1,2-a]pyrimidine derivatives was developed through a three-component reaction of aldehyde, beta-dicarbonyl compound and 2-aminobenzimidazole catalyzed by sulfamic acid in a solvent-free condition. The new protocol has the advantages of high yield, low cost, reduced environment impact, wide scope and convenient procedure.
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