Abstract
Trifluoroacetylation of 3-halo-9-methylcarbazoles at 110‡C proceeds at 6-position. In the case of 3-bromo- and 3-iodo-derivatives, the reaction is complicated by competing processes of dehalogenation, followed by the halogenation of the substrate, leading to 3,6-dihalo derivatives.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1492–1495, November, 1987.
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Moskalev, N.V., Sirotkina, E.E. Trifluoroacetylation of 3-halo-9-methylcarbazoles. Chem Heterocycl Compd 23, 1192–1195 (1987). https://doi.org/10.1007/BF00479367
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DOI: https://doi.org/10.1007/BF00479367