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Meliavolkenin, a new bioactive triterpenoid from Melia volkensii (Meliaceae)
1Department of Medicinal Chemistry and Pharmacognosy, Purdue University, West Lafayette, IN 47907, USA.
Bioorganic & Medicinal Chemistry
|April 1, 1995
Abstract:
Meliavolkenin, a new triterpene with an apotirucallane skeleton, has been isolated from the root bark of Melia volkensii (Meliaceae) by bioactivity-directed fractionation using the brine shrimp lethality test. The structure has been elucidated using spectral and chemical data. The relative stereochemistries were determined by reduction and acetonide derivations, and the ring conformations were analyzed using the results of NOESY experiments. Meliavolkenin was bioactive in the brine shrimp lethality test and gave moderate cytotoxicities against three human solid tumor lines.