Ligands and asymmetric catalysts made by using the same

Details Ligands and asymmetric catalysts made by using the same Ligands and asymmetric catalysts made by using the same

C - Chemistry, Metallurgy

07

F

C07F 9/655 (2006.01) B01J 31/18 (2006.01) B01J 31/22 (2006.01) C07F 7/00 (2006.01) C07F 7/18 (2006.01) C07F 9/6596 (2006.01) C07F 9/74 (2006.01) C07F 9/80 (2006.01)

Patent

CA 2383203

The invention provides a ligand having the general formula: Image wherein R1, R2, and R3 denote substituting groups on aromatic rings, X is P or As, and n is 1 to 3.

L'invention porte sur des ligands de formule générale (I) dans laquelle: R<1>, R<2> et R<3> sont chacun un substituant sur le cycle aromatique; X est P ou As; et n est 1à 3, et sur des catalyseurs asymétriques, composés de métaux et desdits ligands coordinateurs de leur fragment catéchol, et servant à la préparation de siloxynitrilles.

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