CO Fixation to Stable Acyclic and Cyclic Alkyl Amino Carbenes: Stable Amino Ketenes with a Small HOMO–LUMO Gap - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Angewandte Chemie International Edition Année : 2006

CO Fixation to Stable Acyclic and Cyclic Alkyl Amino Carbenes: Stable Amino Ketenes with a Small HOMO–LUMO Gap

Résumé

A quick fix: In contrast to cyclic diamino carbenes, stable alkyl amino carbenes react with CO to give stable ketenes (see scheme, top). Contrary to the acyclic versions, cyclic amino ketenes cannot escape from the destabilizing n–π donation of the nitrogen lone pair, which induces a diradical character and unusual optical and NMR spectroscopic properties.

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hal-03739656 , version 1 (28-07-2022)

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Vincent Lavallo, Yves Canac, Bruno Donnadieu, Wolfgang Schoeller, Guy Bertrand. CO Fixation to Stable Acyclic and Cyclic Alkyl Amino Carbenes: Stable Amino Ketenes with a Small HOMO–LUMO Gap. Angewandte Chemie International Edition, 2006, 45 (21), pp.3488-3491. ⟨10.1002/anie.200600987⟩. ⟨hal-03739656⟩

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