Catalyst-Controlled Regioselective Approach to 1-Aminoisoquinolines and/or 1-Aminoisoindolines through Aminative Domino Cycliza­tion of 2-Alkynylbenzonitriles

作者: Virsinha Reddy , Abhijeet S. Jadhav , Ramasamy Vijaya Anand

DOI: 10.1002/EJOC.201501390

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摘要: A metal-catalyzed regioselective approach towards the synthesis of 1-aminoisoquinolines and/or 1-aminoisindolines through aminative domino cyclization 2-alkynylbenzonitriles with secondary amines has been developed under solvent-free conditions. It was found that regioselectivity reaction greatly influenced by choice metal catalyst. Copper-based catalysts favored 6-endo-dig leading to 1-aminoisoquinolines, whereas other such as triflates Zn, Ag, Bi, Sc and Yb formation 1-aminoisoindolines 5-exo-dig cyclization.

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