A novel catalytic formulation and its preparation

B - Operations – Transporting – 01 – J

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B01J 31/16 (2006.01) B01J 37/02 (2006.01)

Patent

CA 2442288

The present invention describes a generic methodology to formulate a composite solid useful for catalyzing variety of reactions, the present invention in particular relates to a heterogeneous catalyst as a formulation constituting a solid support having deposited thereon a catalytically active material, which is practically insoluble in variety of liquid media, the said insoluble material is constructed from secondary building blocks derived from suitable organometallic active components and the organometallic active component is molecularly modified so as to introduce two or more negatively charged functional groups, these molecularly modified organometallic components upon interaction with salts of Ca2+, Sr2+ and Ba2+, provide practically insoluble solid material and the invention further ascertains various ways of formulating organometallic active material on as solid support as a solid catalyst, the methodology is suitable for preparation of wide variety of catalysts having applications in catalyzing diverse reactions in polar and nonpolar reaction media and the overall integrity of the formulation as a solid material in a liquid phase provides easy catalyst and product separation.

L'invention concerne un procédé général permettant de formuler un solide composite utilisé dans la catalysation d'une grande variété de réactions, et plus particulièrement, un catalyseur hétérogène sous forme de formulation servant de support solide sur lequel est déposée une matière active en termes catalytiques, matière qui est pratiquement insoluble dans une grande variété de milieux liquides. Ladite matière insoluble est obtenue à partir de blocs de constructions auxiliaires provenant de composants actifs organométalliques adaptés dont les molécules sont modifiées de manière à introduire deux ou plusieurs groupes fonctionnels à charge négative, ces composants organométalliques à molécules modifiées permettent d'obtenir une matière solide pratiquement insoluble après interaction avec des sels de Ca?2+¿, Sr?2+¿ et Ba?2+¿. L'invention concerne en outre différentes manières de formuler une matière active organométallique sur un support solide sous forme de catalyseur solide, et le procédé est indiqué pour préparer une grande variété de catalyseurs ayant des applications dans la catalysation de différentes réactions dans des milieux de réaction polaires et non polaires. Quasiment l'intégrité de la formulation sous forme de matière solide en phase liquide garantit une catalyse aisée et une séparation du produit sans ambages.

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