Chemistry of Natural Compounds

, Volume 6, Issue 1, pp 83–84 | Cite as

Difference in the signals of the N-H proton in the NMR spectra of the indole, indoline, and hydroxyindole alkaloids

  • M. R. Yagudaev
  • V. M. Malikov
  • S. Yu. Yunusov


On the basis of the results of measurements of the chemical shifts of the signal of the NH proton in Vinca alkaloids, it has been established that the CS of the NH group in the α-methyleneindoline alkaloids and their 2, 16-dihydro derivatives differ substantially.


Chemical Shift Alkaloid Vinca Alkaloid Indole Alkaloid Indoline 


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    J. Pople, V. Schneider, and H. Bernstein, High Resolution Nuclear Magnetic Resonance [Russian translation], Moscow, 1962.Google Scholar
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    S. Yu. Yunusov, Alkaloids [in Russian], Tashkent, 1968.Google Scholar
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    M. R. Yagudaev, KhPS [Chemistry of Natural Compounds], 2, 185, 1966.CrossRefGoogle Scholar
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    I. V. Aleksandrov and N. D. Sokolov, DAN SSSR, 124, 115, 1959.Google Scholar

Copyright information

© Consultants Bureau 1972

Authors and Affiliations

  • M. R. Yagudaev
    • 1
  • V. M. Malikov
    • 1
  • S. Yu. Yunusov
    • 1
  1. 1.Institute of the Chemistry of Plant Substances, AS UzSSRUSSR

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