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Synthesis 2000; 2000(11): 1557-1560
DOI: 10.1055/s-2000-7604
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The Preparation of Rigid Linear Di- (and Tri-)catechol Derivatives

Markus Albrecht* , Matthias Schneider
  • *Institut für Organische Chemie, Universität Karlsruhe, Richard-Willstätter-Allee, D-76131 Karlsruhe, Germany; Fax + 49 (7 21) 69 85 29; E-mail: albrecht@ochhades.chemie.uni-karlsruhe.de
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Publication Date:
31 December 2000 (online)

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The aryl-bridged rigid rod-like di- and tricatechol ligands 1-5 were prepared by aryl-aryl coupling reactions. Hereby either Suzuki coupling strategies [starting with 2,3-dimethoxyphenylboronic acid (6) as an important building block] or oxidative coupling with methyltributylammonium permanganate were used to obtain the desired compounds.

catechol - chelating ligands - Suzuki coupling - oxidative coupling - ether cleavage