Contributor:
Sang, Sier;
Unruh, Tobias;
Demeshko, Serhiy;
Domenianni, Luis I.;
van Leest, Nicolaas P.;
Marquetand, Philipp;
Schneck, Felix;
Würtele, Christian;
de Zwart, Felix J.;
de Bruin, Bas;
González, Leticia;
Vöhringer, Peter;
Schneider, Sven
Published:
Wiley, 2021
Published in:
Chemistry – A European Journal, 27 (2021) 68, Seite 16978-16989
Language:
English
DOI:
10.1002/chem.202101705
ISSN:
0947-6539;
1521-3765
Origination:
Footnote:
Description:
AbstractOuter‐sphere radical hydrogenation of olefins proceeds via stepwise hydrogen atom transfer (HAT) from transition metal hydride species to the substrate. Typical catalysts exhibit M−H bonds that are either too weak to efficiently activate H2 or too strong to reduce unactivated olefins. This contribution evaluates an alternative approach, that starts from a square‐planar cobalt(II) hydride complex. Photoactivation results in Co−H bond homolysis. The three‐coordinate cobalt(I) photoproduct binds H2 to give a dihydrogen complex, which is a strong hydrogen atom donor, enabling the stepwise hydrogenation of both styrenes and unactivated aliphatic olefins with H2 via HAT.