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Hydrophilic CNC‐Pincer Palladium Complexes: A Source for Highly Efficient, Recyclable Homogeneous Catalysts in Suzuki–Miyaura Cross‐Coupling
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2006
Year
Suzuki–miyaura Cross‐couplingSuzuki Biaryl CouplingChemical EngineeringCross-coupling ReactionEngineeringNatural SciencesDiversity-oriented SynthesisCatalytic SynthesisRecyclable Homogeneous CatalystsOrganic ChemistryOrganometallic CatalysisCatalysisHomogeneous CatalysisChemistryDissimilar Arylboronic AcidsHighly EfficientNeat Water
Abstract The Suzuki biaryl coupling of a range of electronically dissimilar arylboronic acids and aryl bromides is performed in neat water with excellent to quantitative yields by means of a new CNC‐pincer palladium catalyst that is soluble in water due to its para ‐carboxy group. Extremely high turnover numbers and frequencies combined with a remarkable robustness allow an effective catalyst reuse in sustainable conditions.