Issue Date: August 26, 2013
Crystal Structure Of A Cuprate-Carbonyl π-Complex
Bonding between a copper ion and the π-orbitals of a double bond, C=O in this case, has been observed by X-ray crystallography for the first time. Such three-center bonds have been proposed as intermediates in a number of important copper-catalyzed reactions, including additions using Gilman reagents (R2CuLi). The arrangement is unstable, and until recently, researchers have only been able to infer the intermediate’s existence. In June, . . .
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