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Communication | Regular issue | Vol 22, No. 8, 1984, pp.1673-1675
Published online, 1st January, 1970
DOI: 10.3987/R-1984-08-1673
Antimicrobial Agents from Higher Plants. Erycristagallin, a New Pterocarpene from the Roots of the Bolivian Coral Tree, Erythrina crista-galli

Lester A. Mitscher,* Jeffrey A. Ward, Steven Drake, and Gollapudi S. Rao

*Department of Medicinal Chemistry, University of Kansas, 4070 Malott Hall, Lawrence, Kansas 66045-2506, U.S.A.


Bioassay directed fractionation of extracts of the roots of Erythrina cristagalli produced the new pterocarpene, erycristagallin (1) as the main antimicrobial constituent. Structural assignment is based upon degradation and spectroscopic studies.