C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/50 (2006.01) B01J 31/24 (2006.01) C07B 53/00 (2006.01) C07C 67/303 (2006.01) C07C 67/31 (2006.01) C07D 317/48 (2006.01) C07F 9/655 (2006.01) C07F 15/00 (2006.01)
Patent
CA 2462045
The invention relates to novel diphosphines, in optically pure or racemic form, of formula (I): (see formula I) in which: - R1and R2 are a(C5-C7)cycloalkyl group, an optionally substituted phenyl group or a 5-membered heteroaryl group; and - A is (CH2-CH2) or CF2. The invention further relates to the use of a compound of formula (I) as a ligand for the preparation of a metal complex useful as a chiral catalyst in asymmetric catalysis, and to the chiral metal catalysts comprising at least one ligand of formula (I).
L'invention concerne de nouvelles disphosphines de formule (I) sous forme optiquement pure ou racémique, formule (I), dans laquelle: R1 et R2 représentent un groupe (C5-C7)cycloalkyle, un groupe phényle éventuellement substitué ou un groupe hétéroaryle à 5 chaînons; A représente (CH2-CH2) ou CF2. L'invention concerne également l'utilisation d'un composé de formule (I) comme ligand pour la préparation d'un complexe métallique, utile comme catalyseur chiral dans la catalyse asymétrique, ainsi que les catalyseurs métalliques chiraux comprenant au moins un ligand de formule (I).
Champion Nicolas
Dellis Philippe
Duprat de Paule Sebastien
Genet Jean-Pierre
Vidal Virginie
Sim & Mcburney
Synkem
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