Diastereoselectivity of octahedral cobalt(II) pybox complexes
|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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|Research group||Groupe Weber|
|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|