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Noncovalent Secondary Interactions in Co(II)Salen Complexes:  O2 Binding and Catalytic Activity in Cyclohexene Oxygenation

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journal contribution
posted on 05.11.2002, 00:00 by Roberto Fiammengo, Christiaan M. Bruinink, Mercedes Crego-Calama, David N. Reinhoudt
The O2 affinity of Co(II)Salen complexes 14 and their reactivity in cyclohexene oxygenation reactions of Co(II)Salen complexes 14 are modulated by noncovalent interactions such as hydrogen bonding and steric hindrance using a functionalized diamino bridge. Higher O2 affinity is observed in the case of efficient hydrogen-bonding interactions (complex 1), while increased steric hindrance (cis vs trans diamino bridge) around the Co-coordinated O2 is influencing the reactivity of the complexes.

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