期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 76, 期 9, 页码 3174-3180出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo200014v
关键词
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资金
- National Natural Science Foundation of China [20872076, 20972085, 21032004]
- Specialized Research Fund for the Doctoral Program of Higher Education [200800030072]
An efficient strategy for the synthesis of a variety of 2-animobenzimidazole derivatives has been developed. The reaction proceeded from o-haloanilines and carbodiimides via copper(I)-catalyzed domino reaction in the presence of tert-butoxide to afford the corresponding 2-animobenzimidazole derivatives in good to excellent yields. o-Haloanilines could be o-iodoaniline, o-bromoaniline, and o-chloroaniline derivatives. Carbodiimides could be symmetrical and unsymmetrical substrates with aryl or alkyl substituents. The reaction exhibited a good regioselectivity when unsymmetrical carbodiimides were employed.
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