期刊
CHEMICAL COMMUNICATIONS
卷 49, 期 66, 页码 7352-7354出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc43784a
关键词
-
资金
- National Science Foundation of China [21272233, 21202167, 21072190]
A metal-free synthesis of diversified pyrido[1,2-a]benzimidazoles and 1H-benzo[d]imidazoles from N-aryl-2-aminopyridines and N-arylamidines has been developed. The C-H cycloamination reaction was catalyzed by hypervalent iodine(III) species generated in situ from iodobenzene (catalytic) and peracetic acid (stoichiometric). The reaction proceeded smoothly at ambient temperature to provide the corresponding N-heterocycles in good to excellent yields.
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