Technical Note：

1.Efficient, ruthenium-catalyzed s-s, S-Si, and s-B bond forming re actions . Chemoselective oxidation of secondary alcohols to ketones .

2.Ruthenium complex used as an efficient transfer hydrog enation catalyst.

3.Catalyst for the racemization of chiral alcohols

References：

1.Chem. Commun., 2013, 49, 5829.

2.Organometallics, 2013, 32, 660

3.Adv. Synth. Catal., 2012, 354, 3036

4. Angew. Chem. Int. Ed., 2012, 51, 1042.