Titanium-Mediated Catalytic Hydrogenation of Monocyclic and Polycyclic Arenes

27 November 2019, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Two electron-reduction of the Ti(IV) guanidinate complex (ImDippN)(Xyketguan)TiCl2 gives (η6-ImDippN)(xyketguan)Ti (1intra) and (ImDippN)(Xyketguan)Ti(η6-C6H6) (1inter) (xyketguan = [(tBuC=N)C(NXylyl)2]-, Xylyl = 2,5-dimethylphenyl) in the absence or presence of benzene, respectively. These complexes have been found to hydrogenate monocyclic and polycyclic arenes under relatively mild conditions (150 psi, 80 °C) – the first example of catalytic, homogeneous arene hydrogenation with TON > 1 by a Group IV system.

Keywords

titanium
hydrogenation catalysis

Supplementary materials

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#SI - Ti-hydrogenation 2019 11 16
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