Ruthenium complexes with (p-p)-coordinated...

Details Ruthenium complexes with (p-p)-coordinated... Ruthenium complexes with (p-p)-coordinated...

C - Chemistry, Metallurgy

07

F

C07F 17/02 (2006.01) B01J 31/24 (2006.01)

Patent

CA 2686459

The invention relates to ruthenium complexes with a chiral ferrocenyldiphosphine ligand, wherein the ruthenium has the oxidation state (+II) and the chiral ferrocenyldiphosphine ligand has bidentate P-P coordination to the ruthenium. The ruthenium complexes are cyclic and with the ferrocenyldiphosphine ligand have an at least eight-membered ring. The ferrocenyldiphosphine ligands are selected from the group consisting of Taniaphos, Taniaphos-OH and Walphos ligands. A process for preparing the Ru complexes is described. The Ru complexes are used as catalysts for homogeneous asymmetric catalysis for preparing organic compounds.

La présente invention concerne des complexes du ruthénium avec un ligand chiral ferrocényldiphosphine, le ruthénium ayant l'état d'oxydation (+II) et le ligand chiral ferrocényldiphosphine étant coordiné par une coordination P-P bidentate au ruthénium. Les complexes du ruthénium sont cycliques et forment avec le ligand ferrocényldiphosphine un cycle ayant au moins huit chaînons. Les ligands ferrocényldiphosphine sont choisis dans le groupe comprenant les ligands Taniaphos, Taniaphos-OH et Walphos. L'invention concerne également un procédé de préparation des complexes du Ru. Les complexes du Ru sont utilisés comme catalyseurs dans une catalyse asymétrique homogène pour préparer des composés organiques.

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