Abstract
Oxoniachrysene salts, which on reaction with bases form either addition products or undergo anomalous cleavage of the heteroring bond, were obtained from papaverine methiodide.
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See [1] for communication XX.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1176–1179, September, 1977.
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Kuznetsov, E.V., Shcherbakova, I.V. & Dorofeenko, G.N. 2-Benzopyrylium salts. Chem Heterocycl Compd 13, 945–948 (1977). https://doi.org/10.1007/BF00472443
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DOI: https://doi.org/10.1007/BF00472443