Fluorinated transition metal catalysts and formation thereof

Details Fluorinated transition metal catalysts and formation thereof Fluorinated transition metal catalysts and formation thereof

C - Chemistry, Metallurgy

08

F

C08F 10/00 (2006.01)

Patent

CA 2644744

Supported catalyst systems and methods of forming the same are generally described herein. The methods generally include providing an inorganic support composition, wherein the inorganic support composition includes a bonding sequence selected from Si-O-Al-F, F-Si-O-Al, F-Si1O-Al-F and combinations thereof and contacting the inorganic support composition with a transition metal compound to form a supported catalyst system, wherein the transition metal compound is represented by the formula [L]1nM[A]n; wherein L is a bulky ligand, A is a leaving group, M is a transition metal and m and n are such that a total ligand valency corresponds to the transition metal valency.

L'invention concerne de manière générale des systèmes catalytiques supportés et des procédés de formation de ces systèmes. Les procédés comprennent de manière générale l'utilisation d'une composition support inorganique, ladite composition support inorganique comprenant une séquence de liaison choisie parmi Si-O-Al-F, F-Si-O-Al, F-Si-O-Al-F et leurs combinaisons et la mise en contact de la composition de support inorganique avec un composé de métal de transition afin de former un système catalytique supporté, le composé de métal de transition étant représenté par la formule [L]1nM[A]n ; dans laquelle L est un ligand encombrant, A est un groupe partant, M est un métal de transition et m et n sont tels qu'une valence totale des ligands corresponde à la valence du métal de transition.

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