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Phosphine-Free Suzuki-MiyauraReactions Catalyzed by Bishydrazone-Pd-Complex
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2003
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Arylboronic AcidsChemical EngineeringCross-coupling ReactionEngineeringAlkene MetathesisSuzuki-miyaura Cross-coupling ReactionOrganic ChemistryOrganometallic CatalysisCatalysisGlyoxal BisChemistryAsymmetric CatalysisSynthetic ChemistryPhosphine-free Suzuki-miyaurareactions
Glyoxal bis(methylphenylhydrazone) 1 was prepared and examined as a ligand for the Suzuki-Miyaura cross-coupling reaction of aryl bromides and arylboronic acids. We found phosphine-free catalyst, such as Pd(OAc)2/hydrazone ligand 1 to be an efficient catalyst for a variety of substrates to produce the coupling products in good yields at room temperature.