Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 62, Issue 4, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202214899
Keywords
Alkenylidene; Carbene; Copper; Diazo Compounds; Organometallic Chemistry
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In this study, we report the structural characterization of copper complexes with both bridging and terminal alkenylidene ligands. The complexes were obtained by irradiation of Cu-I complexes with N-heterocyclic diazoolefin ligands. The isolation and structural characterization of the complex with a terminal alkenylidene ligand were achieved through crystalline matrix isolation and in crystallo photolysis at low temperature.
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 Cu-I 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.
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