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Synthesis 1997; 1997(2): 213-216
DOI: 10.1055/s-1997-1163
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Synthesis of Ethylene-Bridged Bis(8-hydroxyquinoline) Derivatives: New Building Blocks for Metallo-Supramolecular Chemistry

Markus Albrecht* , Oliver Blau
  • *Institut für Organische Chemie, Universität Karlsruhe, Richard-Willstätter-Allee, D-76131 Karlsruhe, Germany, Fax +49(721)698529; E-mail: albrecht@ochhades.chemie.uni-karlsruhe.de
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Publication Date:
31 December 2000 (online)

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The synthesis of linear ethylene-bridged bis (8-hydroxyquinoline) ligands 1-H 2 and 2-H 2 , which are building blocks for the metal-directed self-assembly of helicate type coordination compounds, is reported. The reaction sequences involve nickel(0)-catalyzed homocouplings of the benzyl bromides 6 or 9 as key steps.

Preparation of bis(8-hydroxyquinoline) derivatives by a Ni(0)-catalyzed coupling reaction