Highly diastereoselective formation of ruthenium complexes for efficient catalytic asymmetric transfer hydrogenation

Baratta, Walter and Chelucci, Giorgio Adolfo and Herdtweck, Eberhardt and Magnolia, Santo and Siega, Katia and Rigo, Pierluigi (2007) Highly diastereoselective formation of ruthenium complexes for efficient catalytic asymmetric transfer hydrogenation. Angewandte Chemie. International Edition, Vol. 46 (40), p. 7651-7654. eISSN 1521-3773. Article.

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DOI: 10.1002/anie.200702278

Abstract

Ruthenium cis-dichloro complexes with matched chiral diphosphane and aminopyridine ligands (see structure) are easily obtained by a one-pot reaction of [RuCl₂(PPh₃)₃] with a Josiphos diphosphane and racemic 1-substituted 1-(pyridin-2- γl)methanamine ligands. These complexes are highly active catalysts for the transfer hydrogenation of ketones, affording turnover frequencies of up to 70 000 h^-1 at 60 ^°C and ee values up to 99 %.

Item Type:	Article
ID Code:	2464
Status:	Published
Refereed:	Yes
Uncontrolled Keywords:	Asymmetric catalysis, chiral resolution, hydrogen transfer, phosphane ligands, ruthenium
Subjects:	Area 03 - Scienze chimiche > CHIM/06 Chimica organica
Divisions:	001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:	Wiley
eISSN:	1521-3773
Deposited On:	18 Aug 2009 10:07

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