Copper-Catalyzed Intermolecular Heck-Like Coupling of Cyclobutanone Oximes Initiated by Selective C-

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1.Introution Cyclobutanones and their derivatives are very useful intermediates.Transition-metal catalysts,mainly rhodium[1],palladium[2] and nickel[3] complexes,have been successfully used for the activation of C-C bonds in these compounds.
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