Catalytic cycloaminomethylation of pyrrole with bis(methoxymethyl)alkylamines or a mixture of alkyl(phenyl)amines and paraformaldehyde in the presence of [Ni(Py)4Cl2]·0.76H2O or NiCl2·6H2O catalysts proceeded at positions 2 and 5 of pyrrole ring. Cycloaminomethylation of indole was accomplished effectively at positions 1 and 3 in the presence of ZrOCl2·8H2O catalyst. When carbazole was treated with bis(methoxymethyl)alkylamine in the presence of ZrOCl2·8H2O catalyst, it was converted to N-aminomethylated product – N-[(9H-carbazol-9-yl)methyl]-N-(methoxymethyl)alkylamine.
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This work was performed with financial support from the Russian Foundation for Basic Research and the Academy of Sciences of the Bashkortostan Republic (project No. 17-43-020292 r_a) and the project part of the
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, 2018, 54(5), 520–527
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Akhmetova, V.R., Bikbulatova, E.M., Akhmadiev, N.S. et al. Transition metal-catalyzed C,C- and C,N-cycloaminomethylation reactions of pyrrole and indole. Chem Heterocycl Comp 54, 520–527 (2018). https://doi.org/10.1007/s10593-018-2299-6
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DOI: https://doi.org/10.1007/s10593-018-2299-6