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Copper Complexes with Diazoolefin Ligands and their Photochemical Conversion into Alkenylidene Complexes |
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| Authors: | Bastiaan Kooij Paul Varava Farzaneh Fadaei-Tirani Rosario Scopelliti Dimitrios A. Pantazis Gerard P. Van Trieste III David C. Powers Kay Severin |
| Affiliation: | 1. Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland;2. Max-Planck-Institut für Kohlenforschung, 45470 Mülheim an der Ruhr, Germany;3. Department of Chemistry, Texas A&M University, College Station, TX 77843 USA |
| Abstract: | Homometallic copper complexes with alkenylidene ligands are discussed as intermediates in catalysis but the isolation of such complexes has remained elusive. Herein, we report the structural characterization of copper complexes with bridging and terminal alkenylidene ligands. The compounds were obtained by irradiation of CuI complexes with N-heterocyclic diazoolefin ligands. The complex with a terminal alkenylidene ligand required isolation in a crystalline matrix, and its structural characterization was enabled by in crystallo photolysis at low temperature. |
| Keywords: | Alkenylidene Carbene Copper Diazo Compounds Organometallic Chemistry |