Microwave-Assisted Synthesis of 3-Nitroindoles from N-Aryl Enamines via Intramolecular Arene-Alkene Coupling

[摘要]：A variety of N-aryl beta-nitroenamines were effectively transformed into 3-nitroindoles in good yields and with complete regioselectivity via a rapid microwave (mu V) assisted intramolecular arene alkene coupling reaction. This report further demonstrates the versatility of this method by constructing 3-carboalkozy- and 3-cyanoindoles. Optimization data, substrate scope, and applications are discussed.

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