Chloro{[(1S,2S)-(+)-2-amino-1,2-diphenylethyl](4-toluenesulfonyl)amido}(p-cymene)ruthenium(II), min. 90% RuCl[(S,S)-Tsdpen](p-cymene)

Technical Note:
1. This catalyst has shown to effect highly enantioselective hydrogenation of functionalized ketones where the substituents are dialkylamino, hydoxy, siloxy, carbonyl, ester, amide or thioester.
References:
1.Tetrahedron,2007. 63, 7532
2.Tetrahedron,2007 ，63，6755
3.Tetrahedron: Asymmetry, 2009, 20, 1 138. 4.J. Org- Chem, 2009, 74, 1411.
5.Org. Lett., 2007, 9, 2461 .
6.Org. L ett., 2009, 11. 935,
7.Angew. Chem. int. Ed., 2009, 48, 7616.
8.Bioorg. Med. Chem. L ett., 2008, 18, 4110.