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ЖУРНАЛЫ // Mendeleev Communications // Архив

Mendeleev Commun., 2019, том 29, выпуск 3, страницы 252–253 (Mi mendc1486)

Эта публикация цитируется в 3 статьях

Communications

Copper(I) halide-promoted formation of 3-acyl-5-halopyridine moiety from NH-2-(2-acylethynyl)pyrroles and propargylamine

E. F. Sagitova, L. N. Sobenina, D. N. Tomilin, M. V. Markova, I. A. Ushakov, B. A. Trofimov

A.E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russian Federation


Аннотация: Available NH-2-acylethynylpyrroles undergo annulation/aromatization with propargylamine in the presence of 1 equiv. of CuHal (Hal=Cl, Br, I) at 60–65°C to afford 3-acyl-2-(pyrrol-2-yl)pyridines and their 5-halo analogues in 28–61 and 5–14% yields, respectively. The latter are assumed to be resulted from halohydrogenation of the intermediate Cu-pyrrolylpropargyl amino enones.

Язык публикации: английский

DOI: 10.1016/j.mencom.2019.05.003



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