Picranitine, a new indole alkaloid from picralima nitida (APOCYNACEAE)

  • Pierre Tane Department of Chemistry, University of Dschang, Box 67, Dschang, Cameroon
  • Mathieu Tene Department of Chemistry, University of Dschang, Box 67, Dschang, Cameroon
  • Olov Sterner Division of Organic Chemistry 2, Lund Institute of Technology, Box 124 S-22 100 Lund, Sweden

Abstract

A new indole alkaloid, picranitine, has been isolated from the seeds of Picralima nitida, along with five known indole alkaloids picratidine, akuammine, pseudoakuammine, akuammicine and akuammidine previously identified from the same source. Structures were elucidated through exhaustive spectral studies including 1D (1H and 13C NMR) and 2D-NMR (HMQC, HMBC and NOESY).

(Bulletin of The Chemical Society of Ethiopia: 2002 16 (2): 165-169)
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eISSN: 1726-801X
print ISSN: 1011-3924