Abstract
The previously unknown 9-aminotheophylline and 1-methyl-9-aminoxanthine were synthesized from 3-methyl-5-amino-6-hydrazinouracil. In the case of 1-methyl-9-aminoxanthine an x-ray diffraction study of an N-amino derivative of an NH heterocycle was made for the first time.
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See [1] for communication 1.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 836–844, June, 1987.
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Kuz'menko, V.V., Kuz'menko, T.A., Aleksandrov, G.G. et al. Purines and pyrimidines and condensed systems based on them. 2. Synthesis of 1-methyl-9-aminoxanthine and 9-aminotheophylline. Chem Heterocycl Compd 23, 690–697 (1987). https://doi.org/10.1007/BF00486922
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DOI: https://doi.org/10.1007/BF00486922