C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 2/26 (2006.01) B01J 31/00 (2006.01) B01J 31/18 (2006.01) C07C 2/32 (2006.01) C07C 2/34 (2006.01) C07D 233/20 (2006.01) B01J 23/755 (2006.01)
Patent
CA 2404017
The invention is directed towards a composition comprising the formula LMX(X')n wherein n equals 0 or 1; X and X' are independently selected from the group consisting of halides, hydride, triflate, acetates, borates, C1 through C12 alkyl, C1 through C12 alkoxy, C3 through C12 cycloalkyl, C3 through C12 cycloalkoxy, aryl, thiolates, carbon monoxide, cyanate, olefins, and any other moiety into which a monomer can insert; M is selected from the group consisting of nickel, palladium, and platinum and L is a nitrogen-containing bidentate ligand with more than two nitrogen atoms. The composition possesses a tetrahedral or pseudo-tetrahedral structure. The invention also provides a method for using the composition in conjunction with an activating cocatalyst to form short chain .alpha.-olefins.
Cette invention concerne une composition de la formule LMX(X')n dans laquelle n est 0 ou 1; X et X' sont indépendamment sélectionnés dans le groupe constitué par halogénures, hydrure, triflate, acétates, borates, alkyle C1-12, alcoxy C1-12, cycloalkyle C3-12, cycloalcoxy C3-12, aryle, thiolates, monoxyde de carbone, cyanate, oléfines, et n'importe quel autre groupe fonctionnel dans lequel un monomère peut s'insérer; M est sélectionné dans le groupe constitué par nickel, palladium, et platine, et L est un ligand bidenté contenant de l'azote et présentant plus de deux atomes d'azote. La composition présente une structure tétraédrique ou pseudo-tétraédrique. L'invention concerne en outre une méthode d'utilisation de cette composition, en association avec un co-catalyseur d'activation, pour former des alpha-oléfines à courte chaîne.
Matturo Michael Gerard
Patil Abhimanyu Onkar
Stibrany Robert Timothy
Zushma Stephen
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering Company
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