A Highly Reduced Magnesium Dicobalt Complex for the Hydrogenation of Tri- and Tetra-Substituted Alkenes

Gawron, Martin and Eder, Johannes and Weichselgartner, Xaver and Gschwind, Ruth M. and Wolf, Robert (2025) A Highly Reduced Magnesium Dicobalt Complex for the Hydrogenation of Tri- and Tetra-Substituted Alkenes. ORGANOMETALLICS, 44 (19). pp. 2141-2145. ISSN 0276-7333, 1520-6041

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Abstract

The reaction of [K(thf)0.33][Co(eta 4-cod)2] (E; cod = 1,5-cyclooctadiene) with 0.5 equiv of MgCl2 led to the isolation of the magnesium dicobalt complex Mg[Co(eta 4-cod)2]2 (1). Complex 1 forms a tight ionic complex in the solid state and in toluene solution due to electrostatic interactions between the Mg2+ cation and the [Co(eta 4-cod)2]- anions. The complex is a successful precatalyst for the hydrogenation of sterically challenging tri- and tetra-substituted alkenes, surpassing the catalytic capabilities of related alkali metal and beta-diketiminate magnesium complexes.

Item Type: Article
Uncontrolled Keywords: HOMOGENEOUS CATALYSIS; AMINE-BORANE; COBALT;
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Arbeitskreis Prof. Dr. Robert Wolf
Chemistry and Pharmacy > Institut für Organische Chemie > Arbeitskreis Prof. Dr. Ruth Gschwind
Depositing User: Dr. Gernot Deinzer
Date Deposited: 19 May 2026 09:49
Last Modified: 19 May 2026 09:49
URI: https://pred.uni-regensburg.de/id/eprint/65894

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