Abstract
A method for the synthesis of 5-substituted 1,3,3-trimethyl-2-methyleneindolines has been developed, in which the substituents are introduced into the benzene ring of 1,2,3,3-tetramethylindolines, followed by oxidation.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1474–1477, November, 1986.
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Tolmachev, A.A., Tolmacheva, V.S. 5-Substituted 2-methyl- and 2-methyleneindolines. Chem Heterocycl Compd 22, 1189–1192 (1986). https://doi.org/10.1007/BF00471799
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DOI: https://doi.org/10.1007/BF00471799