C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/547 (2006.01) B01J 31/22 (2006.01) B01J 31/24 (2006.01) C07C 29/17 (2006.01) C07C 33/025 (2006.01) C07C 51/36 (2006.01) C07C 53/126 (2006.01) C07C 57/30 (2006.01) C07C 67/303 (2006.01) C07C 67/31 (2006.01) C07C 69/675 (2006.01) C07C 69/732 (2006.01) C07C 69/757 (2006.01) C07C 231/12 (2006.01) C07F 9/572 (2006.01) C07F 9/655 (2006.01) C07F 9/6553 (2006.01) C07F 15/00 (2006.01)
Patent
CA 2193889
Chiral diphosphines constituted by an aromatic pentatomic biheterocyclic system, suitable to act as chiral ligands, complexes between said diphosphines and transition metals, and their utilization as chiral catalysts instereocontrolled reactions, such as diastereo- and enantioselective reduction reactions. Process for the preparation of said chiral diphosphines and process for the preparation of said complexes and for their utilization as chiral catalysts in stereocontrolled reactions.
On décrit des diphosphines chirales constituées par un système bihétérocyclique pentatomique aromatique, conçues pour agir en tant que ligands chiraux, des complexes entre ces diphosphines et des métaux de transition, ainsi que l'utilisation de ces substances en tant que catalyseurs chiraux dans des réactions stéréocommandées, telles que des réactions de réduction diastéréosélectives et énantiostéréosélectives. On décrit également un procédé de préparation desdites diphosphines chirales et desdits complexes, ainsi qu'un procédé d'utilisation de ces substances en tant que catalyseurs chiraux de réactions stéréocommandées.
Antognazza Patrizia
Benincori Tiziana
Brenna Elisabetta
Cesarotti Edoardo
Sannicolo Francesco
Italfarmaco Sud S.p.a.
Robic
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