A Cyclometalated Ruthenium-NHC Precatalyst for the Asymmetric Hydrogenation of (Hetero)arenes and Its Activation Pathway

Paul, Daniel and Beiring, Bernhard and Plois, Markus and Ortega, Nuria and Kock, Slawomir and Schluens, Danny and Neugebauer, Johannes and Wolf, Robert and Glorius, Frank (2016) A Cyclometalated Ruthenium-NHC Precatalyst for the Asymmetric Hydrogenation of (Hetero)arenes and Its Activation Pathway. ORGANOMETALLICS, 35 (20). pp. 3641-3646. ISSN 0276-7333, 1520-6041

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Abstract

This study describes the structural investigation of a highly versatile ruthenium-NHC (N-heterocyclic carbene) catalyst complex, which has been established for the asymmetric hydrogenation of various aromatic compounds. A complex containing an unusual doubly deprotonated NHC ligand was isolated and identified as the precatalyst to this complex. When its subsequent reactivity was monitored, two additional precatalysts, featuring partially hydrogenated naphthyl substituents, were characterized spectroscopically. Ligand hydrogenation appears to be a key activation process en route to the active catalyst.

Item Type: Article
Uncontrolled Keywords: HETEROCYCLIC CARBENE COMPLEXES; H BOND ACTIVATION; HETEROAROMATIC-COMPOUNDS; HOMOGENEOUS HYDROGENATION; CATALYTIC-HYDROGENATION; OLEFIN METATHESIS; IRON COMPLEXES; X-RAY; C-C; REACTIVITY;
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Arbeitskreis Prof. Dr. Robert Wolf
Depositing User: Dr. Gernot Deinzer
Date Deposited: 24 Apr 2019 11:25
Last Modified: 24 Apr 2019 11:25
URI: https://pred.uni-regensburg.de/id/eprint/4082

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