Chemistry of Natural Compounds

, Volume 18, Issue 6, pp 693–696 | Cite as

NMR investigation of alkaloids. III.13C NMR spectra and reconsideration of the stereochemistry of herbamine and herbadine

  • M. R. Yagudaev


The stereochemistry previously proposed for herbamine (V) and herbadine (II) as C2-βH has been reconsidered on the basis of a comparative study of the13C NMR of these compounds and of vincamajine, quebrachidine, ajmaline, vincamajoreine, and majoridine, and it has been established unambiguously that herbamine and herbadine belong to the dihydroindole alkaloids with C2-αH, herbamine being C3-hydroxyvincamajine, and herbadine C6-hydroxyquebrachidine.


Alkaloid Ajmaline Quinuclidine Anti Position Positive Cotton Effect 


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Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • M. R. Yagudaev

There are no affiliations available

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