Description and references

Antifungal phytoalexin produced by leguminous species. Isoln from the heartwood of Swartzia madagascariensis Desv., Caesalpinioidae: S. H. Harper et al., Chem. Ind. (London) 1965, 562; from alfalfa, Medicago sativa L., Leguminosae: D. G. Smith et al., Physiol. Plant Pathol. 1, 41, (1971); from red clover, Trifolium pratense L., Leguminosae: V. J. Higgins, D. G. Smith, Phytopathology 62, 235 (1972). ¹³C-NMR: A. A. Chalmers et al., Tetrahedron 33, 1735 (1977). HPLC: J. Koster et al., J. Chromatogr. 270, 392 (1983). Synthesis of racemic form: W. Cocker et al., J. Chem. Soc. C 1965, 1034. Biosynthetic studies: P. M. Dewick, Chem. Commun. 1975, 656; S. W. Banks et al., ibid. 1982, 157; H. A. M. Al-Ani, P. M. Dewick, J. Chem. Soc. Perkin Trans. 1 1984, 2831. Antifungal properties: L. J. Duczek, V. J. Higgins, Can. J. Bot. 54, 2620 (1976); H. D. Van Etten, Phytochemistry 15, 655 (1976); A. O. Latunde-Dada, J. A. Lucas, Physiol. Plant Pathol. 26, 31 (1985).

Properties

Derivative