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Synthesis 1999; 1999(4): 683-687
DOI: 10.1055/s-1999-3445
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Synthesis of 5,5′-Disubstituted 2,2′-Bipyridines for Modular Chemistry

Oliver Henze* , Uwe Lehmann, A. Dieter Schlüter
  • *Freie Universität Berlin, Institut für Organische Chemie, Takustr. 3, D-14195 Berlin, Germany; Fax +49(30)8 38 83 57; E-mail: adschlue@chemie.fu-berlin.de
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Publication Date:
31 December 1999 (online)

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A 0.5-11 g scale synthesis of the 5,5′-disubstituted 2,2′-bipyridines 8 is described. The pyridine units are connected to one another by Pd-catalyzed cross-coupling reactions. This method allows one to introduce bromo functions and flexible chains at the terminal phenyls which optimizes this class of bidentate ligands for supra- and macromolecular applications.

Stille cross-coupling - bipyridines - supramolecular chemistry - modular chemistry

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