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Synthetic routes for a new family of chiral tetradentate ligands containing pyridine rings†
Mathias Düggeli,Catherine Goujon-Ginglinger,Sarah Richard Ducotterd,David Mauron,Christophe Bonte,Alexander von Zelewsky,Helen Stoeckli-Evans,Antonia Neels
Organic & Biomolecular Chemistry Pub Date : 04/28/2003 00:00:00 , DOI:10.1039/B210625F
Abstract

A series of new tetradentate ligands containing two bipyridine groups or two pyridine moieties carrying amine substituents has been synthesised either from 5′- and 6′-substituted chiral bipyridines, or from chiral pyridine derivatives. These precursors have been prepared from (−)-α-pinene or (−)-myrtenal, respectively. The structures of three tetradentate-, and of five chiral bipyridine ligands have been determined by X-ray diffraction.

Graphical abstract: Synthetic routes for a new family of chiral tetradentate ligands containing pyridine rings
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