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Synthesis 1986; 1986(6): 474-476
DOI: 10.1055/s-1986-31678
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Synthesis of 2-(7-Indolyl)-benzimidazoles via 7-Formylindoles

David St C. Black* , Naresh Kumar, Laurence C. H. Wong
  • *School of Chemistry, University of New South Wales, P.O. Box 1, Kensington, New South Wales, 2033, Australia
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Publication Date:
20 August 2002 (online)

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4,6-Dimethoxyindoles undergo Vilsmeier formylation to give 7-formylindoles which can be converted into 2-(7-indolyl)-benzimidazoles on reaction with 1,2-diaminobenzene.