Planta Med 1993; 59(3): 259-261
DOI: 10.1055/s-2006-959664

© Georg Thieme Verlag Stuttgart · New York

2-Methoxycanthin-6-one: A New Alkaloid from the Stem Wood of Quassia amara

Vincent C. O. Njar1 , 3 , Taiwo O. Alao1 , Joseph I. Okogun1 , Herbert L. Holland2
  • 1Department of Chemistry, University of Ibadan, Ibadan, Nigeria
  • 2Department of Chemistry, Brock University, St. Catharines, Ontario, L25 3A1, Canada
  • 3Address for correspondence
Further Information

Publication History



Publication Date:
04 January 2007 (online)


A new alkaloid, 2-methoxycanthin-6-one (1) has been isolated from the methanol extract of the stem wood of Quassia amara. In addition quassin (6) was also isolated. The structure of 1 was determined by spectroscopic methods.