Ether-tethered Ru(ii)/TsDPEN complexes; synthesis and applications to asymmetric transfer hydrogenation?

Catalysis Science & Technology Pub Date: 2011-11-29 DOI: 10.1039/C1CY00364J

Abstract

A new type of Ru(II)/TsDPEN catalyst containing an ether-based linking tether has been prepared and shown to exhibit excellent activity in asymmetric transfer hydrogenation reactions of ketones. Related complexes containing a hydroxyl-terminated alkyl chain have also been prepared and tested as asymmetric catalysts. In some cases the activity of the new catalyst type complements that of the closely related alkyl-chain tethered complexes.

Graphical abstract: Ether-tethered Ru(ii)/TsDPEN complexes; synthesis and applications to asymmetric transfer hydrogenation
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