US Patent 7560596 Transition-metal-catalyzed carbon-nitrogen and carbon-carbon bond-forming reactions
Patent 7560596 was granted and assigned to Massachusetts Institute of Technology on July, 2009 by the United States Patent and Trademark Office.
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One aspect of the present invention relates to ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in various transition-metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. The subject methods provide improvements in many features of the transition-metal-catalyzed reactions, including the range of suitable substrates, number of catalyst turnovers, reaction conditions, and efficiency. For example, improvements have been realized in transition metal-catalyzed: aryl amination reactions; aryl amidation reactions; Suzuki couplings; and Sonogashira couplings. In certain embodiments, the invention relates to catalysts and methods of using them that operate in aqueous solvent systems.
US Patent 07560596 Transition-metal-catalyzed carbon-nitrogen and carbon-carbon bond-forming reactions US Patent 7560596 Transition-metal-catalyzed carbon-nitrogen and carbon-carbon bond-forming reactions
US Patent 07560596 Transition-metal-catalyzed carbon-nitrogen and carbon-carbon bond-forming reactions
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