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Synlett 2007(2): 0211-0214
DOI: 10.1055/s-2007-967998
DOI: 10.1055/s-2007-967998
LETTER
© Georg Thieme Verlag Stuttgart · New York
Practical Regioselective Bromination of Azaindoles and Diazaindoles
Further Information
Received
31 October 2006
Publication Date:
24 January 2007 (online)
Publication History
Publication Date:
24 January 2007 (online)
Abstract
A mild and efficient synthesis of various 3-brominated azaindoles and diazaindoles was developed by regioselective halogenation of the parent systems. This practical and high-yielding transformation was achieved with copper(II) bromide in acetonitrile at room temperature.
Key words
3-brominated azaindoles - regioselective halogenation - copper(II) bromide
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References and Notes
Current address: Novartis Pharma AG, Chemical and Analytical Development, Werk Klybeck, Postfach, 4002 Basel, Switzerland. This address should be used for correspondence.