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Communication | Regular issue | Vol 38, No. 6, 1994, pp.1229-1232
Published online, 1st January, 1970
DOI: 10.3987/COM-94-6725
Cytotoxic 6-Substituted 5,6-Dihydro-2H-pyran-2-ones from a Brazilian Medicinal Plant, Chorisia crispiflora

Mamoru Matsuda, Yuichi Endo, Shinji Fushiya, Takeshi Endo, and Shigeo Nozoe*

*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan

Abstract

Three cytotoxic 6-substituted 5,6-dihydro-2H-pyran-2-ones (1-3) were isolated from a Brazilian medicinal plant, Chorisia crispiflora. 1 was identified as argentilactone, and the structures of two new compounds (2 and 3) were determined on the basis of the physicochemical properties.