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Palladium Catalysts for Cross-Coupling of Ortho-Substituted Aryl Triflates with Grignard Reagents
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1997
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Inorganic ChemistryChemical EngineeringCross-coupling ReactionEngineeringGrignard ReagentsAryl TriflatesPalladium CatalystsCatalysisOrtho-substituted ArylChemistryOrganometallic CatalysisEffective CatalystsCatalytic Synthesis
Dichloro[(2-dimethylamino)propyldiphenylphosphine]palladium (PdCl2(alaphos)) and dichloro[1,3-bis(diphenylphosphino)-propane]palladium (PdCl2(dppp)) were found to be much more effective catalysts than PdCl2(PPh3)2 and other palladium complexes for cross-coupling of sterically congested aryl triflates with aryl and alkynyl Grignard reagents.