Synthesis of 2-arylpyridines by the Suzuki-Miyaura cross-coupling of PyFluor with hetero(aryl) boronic acids and esters
CANADIAN JOURNAL OF CHEMISTRY(2023)
摘要
The Suzuki-Miyaura cross-coupling of pyridine-2-sulfonyl fluoride (PyFluor) with hetero(aryl) boronic acids and pinacol boronic esters is reported. The reactions can be performed using Pd(dppf)Cl2 as the catalyst, at temperatures between 65 and 100 degrees C and in the presence of water and oxygen. This transformation generates 2-arylpyridines in modest to good yields (5%-89%).
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