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Copper Complexes with Diazoolefin Ligands and their Photochemical Conversion into Alkenylidene Complexes

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Pantazis,  Dimitrios A.
Research Group Pantazis, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Kooji, B., Varava, P., Fadaei-Tirani, F., Scopelliti, R., Pantazis, D. A., Van Trieste III, G. P., et al. (2023). Copper Complexes with Diazoolefin Ligands and their Photochemical Conversion into Alkenylidene Complexes. Angewandte Chemie International Edition, 62(4): e202214899. doi:10.1002/anie.202214899.


Cite as: https://hdl.handle.net/21.11116/0000-000C-1BE0-9
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.