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A Copper-Catalyzed Tandem Synthesis of Indolo- and Pyrrolo[2,1-a]isoquinolines
Journal article   Peer reviewed

A Copper-Catalyzed Tandem Synthesis of Indolo- and Pyrrolo[2,1-a]isoquinolines

Akhilesh Kumar Verma, Tanay Kesharwani, Jaspal Singh, Vibha Tandon and Richard C. Larock
Angewandte Chemie (International ed.), Vol.48(6), pp.1138-1143
01/01/2009
PMID: 19115342
Web of Science ID: WOS:000263082300022

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Abstract

Isoquinoline ring the changes: A novel strategy for the title reaction involves ortho-haloarylalkynes which undergo sequential intermolecular addition of N heterocycles onto alkynes and subsequent intramolecular ring closure by arylation. The process involves the use of hydroxymethyl benzotriazole as an efficient and inexpensive ligand for the C—N and C—C coupling reactions.

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