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Process for cross-coupling aromatic boronic acids with aromatic halogen compounds or perfluoroalkylsulfonates
Process for cross-coupling aromatic boronic acids with aromatic halogen compounds or perfluoroalkylsulfonates
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机译:使芳族硼酸与芳族卤素化合物或全氟烷基磺酸盐交叉偶联的方法
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摘要
A process for preparing polycyclic aromatic compounds by cross- coupling aromatic boronic acids with aromatic halogen compounds or perfluoroalkylsulfonates in the presence of metallic palladium, if desired applied to a support material, as catalyst, wherein the coupling is carried out in the presence of a ligand and a base. The process of the invention allows the yield of polycyclic aromatic compounds to be significantly increased in comparison with processes not using a ligand and thus allows a yield optimum for the Pd(0)-catalyzed cross-coupling of aromatic boronic acids with aromatic halogen compounds to be achieved.
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