Immobilised ligands derived from ethylenediamine

Details Immobilised ligands derived from ethylenediamine Immobilised ligands derived from ethylenediamine

C - Chemistry, Metallurgy

07

C

C07C 251/02 (2006.01) B01J 31/16 (2006.01) B01J 31/18 (2006.01) C07B 37/04 (2006.01) C07C 5/02 (2006.01) C07C 29/136 (2006.01) C07C 29/145 (2006.01) C07C 209/42 (2006.01) C07C 211/10 (2006.01) C07C 211/27 (2006.01) C07C 217/64 (2006.01) C07C 247/06 (2006.01) C07C 247/10 (2006.01)

Patent

CA 2494777

An immobilised nitrogen-containing ligand is described comprising the reaction product of a compound of formula (I) wherein R5, R6, R7 and R8 are independently hydrogen, a saturated or unsaturated C1-C10 alkyl group, an aryl group, a urethane group, a sulphonyl group or form an imine group, R1, R2, R3 , and R4 are independently hydrogen, a saturated or unsaturated C1-C10 alkyl group or an aryl group and at least one of R1, R2, R3 and R4 is functionalised with a functional group, and a solid support having a site capable of reacting with said functional group. The nitrogen-containing ligand is useful for preparing immobilised catalysts for performing e.g. asymmetric catalysis.

L'invention concerne un ligand contenant de l'azote immobilisé comportant le produit de réaction d'un composé de formule (I), dans laquelle R?5¿, R?6¿, R?7¿ et R?8¿ représentent indépendamment hydrogène, un groupe alkyle C1-C10 saturé ou non saturé, un groupe aryle, un groupe uréthane, un groupe sulphonyle ou forment un groupe imine, R?1¿, R?2¿, R?3¿, et R?4¿ représentent indépendamment hydrogène, un groupe alkyle C1-C10 saturé ou non saturé ou un groupe aryle et au moins un des groupes R?1¿, R?2¿, R?3¿ et R?4¿ est fonctionnalisé avec un groupe fonctionnel, et un support solide ayant un site pouvant réagir avec ce groupe fonctionnel. Le ligand contenant de l'azote est utile dans la préparation de catalyseurs immobilisés pour effectuer par ex. une catalyse asymétrique.

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