Nickel phosphite catalysts
AssigneeMaxdem Incorporated
InventorsYing Wang, Matthew L. Marrocco, III, Mark S. Trimmer
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Abstract
A catalyst is provided which is useful for coupling aryl halides or aryl sulfonates to produce biaryls or polyaryls. The catalyst composition is formed by mixing together in an anhydrous aprotic solvent a nickel compound or nickel complex, a phosphite ligand, and a reducing metal which can be aluminum, magnesium, or zinc or the like.
Claims8
A catalyst composition formed by mixing together, in an anhydrous aprotic solvent, a nickel compound or nickel complex, a phosphite ligand, and a reducing metal selected from the group consisting of aluminum, magnesium, and zinc, wherein the molar ratio of ligand to nickel is between 1 and 10, and the molar ratio of reducing metal to nickel is between 10 and 10,000.
Dependencies are inferred from the claim text.