期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 74, 期 20, 页码 7974-7977出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo9017183
关键词
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资金
- Chinese Academy of Sciences
- National Natural Science Foundation of China [20621062, 20872156]
CuI/L-proline catalyzed coupling of aqueous ammonia with 2-iodoacetanilides and 2-iodophenylcarbamates affords the aryl amination products at room temperature, which undergo in situ additive cyclization under acidic conditions or heating to give substituted 1H-benzimidazoles and 1,3-dihydrobenzimidazol-2-ones, respectively. A wide range of functional groups including ketone, nitro, iodo, bromo, and ester are tolerated under these reaction conditions, providing these heterocycles with great diversity.
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