Abstract
The reaction of 1-alkyl-2-aminoindoles with β-dicarbonyl compounds forms N-substituted α-carbolines, which is a new method for the synthesis of these difficulty accessible compounds. If the nitrogen atom is not alkylated, cyclization involving both nitrogen atoms takes place, leading to a previously unknown heterocycle, pyrimidino[l, 2-β]indole.
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For part X, see [1].
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Kost, A.N., Sagitullin, R.S., Gorbunov, V.I. et al. The chemistry of indole. Chem Heterocycl Compd 6, 334–337 (1970). https://doi.org/10.1007/BF00471236
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DOI: https://doi.org/10.1007/BF00471236