Zinc??Catalyzed Direct Cyanation of Indoles and Pyrroles: Nitromethane as a Source of a Cyano Group
…, T Sugiyama, S Nomiyama, K Yonekura…
Index: Nagase, Yuta; Sugiyama, Tetsuya; Nomiyama, Shota; Yonekura, Kyohei; Tsuchimoto, Teruhisa Advanced Synthesis and Catalysis, 2014 , vol. 356, # 2-3 p. 347 - 352
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Citation Number: 9
Abstract
Abstract: With nitromethane and diphenylsilane (Ph2SiH2), zinc triflate behaves as a Lewis acid catalyst for the cyanation of nitrogen-containing heteroarenes such as indoles and pyrroles. This is the first realization of the Lewis acid-catalyzed direct cyanation of a CACHTUNGTRENNUNG (aryl) ÀH bond with no CN group-containing cyanating agent. Keywords: heteroarenes; heterocycles; Lewis acids; nitriles; zinc
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