Chemistry of Natural Compounds

, Volume 19, Issue 4, pp 454–458 | Cite as

NMR study of alkaloids. V.13C NMR spectra and reconsideration of the structures of 11- and 10-hydroxypleiocarpamines and the structures of new alkaloids fromVinca erecta

  • M. R. Yagudaev
  • M. M. Khalmirzaev
  • S. Yu. Yunusov


The structures of phenolic alkaloids isolated previously fromVinca erecta Rgl. et Schmalh. have been reconsidered on the basis of the results of a study of their13C NMR spectra, and it has been shown that a base with mp 228–229° has the structure of 11-hydroxystrictamine and an amorphous base of the same composition isomeric with it is 10-hydroxystrictamine. The structures of two new indolenine alkaloids — ercinamine and ercinaminine — have been determined from an analysis of13C NMR spectra, and also on the basis of PMR and IR spectra and chemical transformations.


Alkaloid Raney Nickel Indolamine Amorphous Base Phenolic Alkaloid 


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Copyright information

© Plenum Publishing Corporation 1984

Authors and Affiliations

  • M. R. Yagudaev
  • M. M. Khalmirzaev
  • S. Yu. Yunusov

There are no affiliations available

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