The N-arylation of amines, amides and diaza-18-crown-6 with weakly activated aryl bromides catalysed by Pdo/L and the aryla-tion of pyrrolidone-2 with 2-bromothiophene catalysed by CuI/1,2-di(methylamino)cyclohexane can be performed in the presence of graphite at 60–100 °C without solvent to give arylation products in good yields (60–78%).
Solvent-free Pd-catalysed N-arylation of amines, amides and diaza-18-crown-6
G. A. Artamkina, M. V. Ermolina and I. P. Beletskaya, Mendeleev Commun., 2003, 13, 158 DOI: 10.1070/MC2003v013n04ABEH001753
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