Chilocorine: heptacyclic alkaloid from a coccinellid beetle

  • Kevin D. McCormick
  • , Athula B. Attygalle
  • , Shang Cheng Xu
  • , Aleš Svatoš
  • , Jerrold Meinwald
  • , Marilyn A. Houck
  • , Curtis L. Blankespoor
  • , Thomas Eisner

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

A novel heptacyclic alkaloid, for which we coin the name chilocorine, was isolated from a ladybird beetle, Chilocorus cacti. It has a unique structure made up of two tricyclic substructures, 2-methylperhydro-9b-azaphenalene and 3,4-dimethyloctahydro-8b-azaacenaphthylene. The proposed structure is based on mass spectrometric, ultraviolet spectroscopic, and NMR evidence.

Original languageEnglish
Pages (from-to)2365-2372
Number of pages8
JournalTetrahedron
Volume50
Issue number8
DOIs
StatePublished - 21 Feb 1994

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