Pronuciferine N-oxide, a proaporphine N-oxide alkaloid from Berberis coletioides

J Nat Prod. 2009 Jul;72(7):1355-6. doi: 10.1021/np9000976.

Abstract

Pronuciferine N-oxide (1), a proaporphine N-methyl-N-oxide alkaloid, along with the parent alkaloid pronuciferine (2) were isolated from Berberis coletioides. The structure of the new compound was determined by spectroscopic evidence. Compound 1 is the first naturally occurring proaporphinoid alkaloid with an N-oxide functionality.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Alkaloids / chemistry
  • Berberis / chemistry*
  • Chile
  • Molecular Structure
  • Nuclear Magnetic Resonance, Biomolecular
  • Spiro Compounds / chemistry
  • Spiro Compounds / isolation & purification*

Substances

  • Alkaloids
  • Spiro Compounds
  • pronuciferine N-oxide
  • pronuciferine