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A stable well-defined copper hydride cluster consolidated with hemilabile phosphines

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Abstract

Copper hydrides are very useful in hydrogenation reactions. We report a stable Stryker-type copper hydride reagent protected by hemilabile phosphines: [Cu8H6(dppy)6](OTf)2 (Cu8-H, dppy = diphenylphosphino-2-pyridine). The metal core of this cluster has a bicapped octahedral configuration, and the copper-bound hydrides each triply bridges over a triangular face of the octahedron. This cluster is attractive due to its facile preparation and excellent stability under ambient conditions. The comparable activity and selectivity both in the stoichiometric and catalytic reactions make Cu8-H a promising alternative to Stryker's reagent.

Graphical abstract: A stable well-defined copper hydride cluster consolidated with hemilabile phosphines

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Article information


Submitted
03 Mar 2021
Accepted
25 Mar 2021
First published
25 Mar 2021

Chem. Commun., 2021, Advance Article
Article type
Communication

A stable well-defined copper hydride cluster consolidated with hemilabile phosphines

S. Yuan, H. Luyang, Z. Lei, X. Wan, J. Li and Q. Wang, Chem. Commun., 2021, Advance Article , DOI: 10.1039/D1CC01161H

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