Abstract
By the direct nitration of harmane and 1,3-dimethyl-, 1-ethyl-, 1-n-propyl-, and 1-isopropyl-β-carbolines with concentrated nitric acid or a mixture of nitric and acetic acids, 6- and 8-nitro-1-alkyl-β-carbolines have been obtained. A chromatographic method for separating the nitration products on alumina is proposed.
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Lomakin, A.N., Terent'eva, I.V. Mononitro-β-carbolines. Chem Heterocycl Compd 4, 756–758 (1968). https://doi.org/10.1007/BF00486951
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DOI: https://doi.org/10.1007/BF00486951