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CuI-Catalyzed Coupling of gem-Dibromovinylanilides and Sulfonamides: An Efficient Method for the Synthesis of 2-Amidoindoles and Indolo[1,2-a]quinazolines

Selvarangam E. Kiruthika and Paramasivan Thirumalai Perumal*

*Organic Chemistry Division, CSIR-Central Leather Research Institute, Adyar, Chennai 600020, Tamilnadu, India, Email:

S. E. Kiruthika, P. T. Perumal, Org. Lett., 2014, 16, 484-487.

DOI: 10.1021/ol403365t

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2-Amidoindoles and tetrahydroindolo[1,2-a]quinazolines can be formed directly from gem-dibromovinylanilides and sulfonamides in a one-pot fashion through a Cu(I)-catalyzed in situ generation of ynamides followed by a base-promoted intramolecular hydroamidation.

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Key Words


ID: J54-Y2014