Metallocene-based phosphorus chiral phosphines

C - Chemistry – Metallurgy – 07 – F

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C07F 17/02 (2006.01) C07B 31/00 (2006.01) C07B 53/00 (2006.01)

Patent

CA 2594893

The present invention concerns a metallocene-based phosphine ligand for use in enantioselective catalysis, the ligand having the Formula (I): Wherein M is a metal; Z is P or As; L is a suitable linker; R1 is selected from alkyl, alkoxy, alkylamino, cycloalkyl, cycloalkoxy, cycloalkylamino carbocyclic aryl, substituted and unsubstituted carbocyclic aryloxy, heteroaryl, heteroaryloxy, carbocyclic arylamino and heteroarylamino; X* is selected from (II): Wherein R, R2 and R3 are independently selected from optionally substituted branched- and straight-chain alkyl, cycloalkyl, heterocycloalkyl, carbocyclic aryl, and heteroaryl.

L'invention concerne un ligand phosphine à base de métallocène destiné à être utilisé pour la catalyse énantiosélective. Ce ligand présente la formule (I) dans laquelle M représente un métal ; Z représente P ou As ; L est un liant approprié ; R1 est sélectionné parmi alkyle, alcoxy, alkylamino, cycloalkyle, cycloalcoxy, cycloalkylaminoaryl carbocyclique, aryloxy carbocyclique substitué et non substitué, hétéroaryle, hétéroaryloxy, arylamino et hétéroarylamino carbocyclique ; X* est sélectionné parmi les composés de formules (II) dans lesquelles R, R2 et R3 sont indépendamment sélectionnés parmi alkyle à chaîne continue ou ramifiée éventuellement substitué, cycloalkyle, hétérocycloalkyle, aryle carbocyclique, et hétéroaryle.

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