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Title

Diastereoselectivity of octahedral cobalt(II) pybox complexes
Authors
Provent, Christophe
Bernardinelli, Gérald Hugues
Williams, Alan Francis
Vulliermet, Nathalie
Published in European Journal of Inorganic Chemistry. 2001, vol. 2001, no. 8, p. 1963-1967
Abstract The cobalt(II) complexes prepared with a series of enantiopure ligands (1-3) containing the bis(oxazolinyl)pyridine unit have been studied. The ligands form high spin octahedral complexes as shown by the X-ray crystal structure of the homochiral complex [Co(R,R-1)2](ClO4)2(CH3CN)3. The diastereoselectivity of complex formation has been studied: equimolar mixtures of RR and SS ligands show mixtures of homochiral and heterochiral complexes for 2 and 3, but the phenyl-substituted ligand 1 shows exclusive formation of the heterochiral species. This selectivity is correlated with structural and electronic properties of the complexes.
Keywords Cobalt — Chirality — N ligands — Coordination chemistry
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Structures
Faculté des sciences / Section de chimie et biochimie / Département de chimie physique
Research group Groupe Weber
Citation
(ISO format) 		PROVENT, Christophe et al. Diastereoselectivity of octahedral cobalt(II) pybox complexes. In: European Journal of Inorganic Chemistry, 2001, vol. 2001, n° 8, p. 1963-1967. doi: 10.1002/1099-0682(200108)2001:8<1963::AID-EJIC1963>3.0.CO;2-%23 https://archive-ouverte.unige.ch/unige:3215

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Deposited on : 2009-09-21

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