Patent ID: 6590048
Filing Date: 2003-07-08
Classification: B01J,C07C,C07F

Abstract:
A process for a metathesis reaction, comprising contacting an olefin with a catalyst, wherein the catalyst comprises vinylidene, allenylidene and higher cumulenylidene complexes of the general formula: whereinM is Ru or Os; X is an anionic ligand; L2 is selected from the group consisting of phosphine, sulfonated phosphine, fluorinated phosphine, functionalized phosphine bearing up to three aminoalkyl-, ammoniumalkyl-, alkoxyalkyl-, alkoxycarbonylalkyl-, hydroxycarbonylalkyl-, hydroxyalkyl-, ketoalkyl-groups, phosphite, phosphinite, phosphonite, arsine, and stibene; L1 is a neutral &pgr;-bond ligand; A and B are independently selected from hydrogen or from the group consisting of C1-C20 alkyl, aryl, C2-C20 alkenyl, alkynyl, C1-C20 alkoxy, carboxylate, carbamate, C2-C20 alkenyloxy, alkynyloxy, aryloxy, alkoxycarbonyl, C1-C20 alkylthio, alkylsulfonyl, alkylsulfinyl, arylthio, arylsulfonyl, arylsulfinyl, alkylamido, alkylamino, each of which is optionally substituted with C1-C10 alkyl, perfluoroalkyl, aryl, alkoxy or with halogen; Yâˆ’ is a non-coordinating anion; and n is 0-5.