Dicobalt hexacarbonyl complexes of alkynyl imines in a sequential Staudinger/Pauson-Khand process. A route to new fused tricyclic beta-lactams |
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| Authors: | Olier Clarisse Azzi Nadia Gil Gérard Gastaldi Stéphane Bertrand Michèle P |
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| Affiliation: | Laboratoire de Chimie Moléculaire Organique, LCP UMR 6264, boite 562, Université Paul Cézanne, Faculté des Sciences St. Jér?me, Avenue Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France. |
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| Abstract: | Dicobalt hexacarbonyl complexes of alkynyl imines were allowed to react with ketenes via Staudinger reaction. Sequential [2 + 2] cycloaddition/Pauson-Khand reaction led to structurally new fused-tricyclic beta-lactams and fused-azabicyclic cyclopentenones. Chemoselectivity, scope, and limitation of the process were investigated. |
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