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Meliavolkenin, a new bioactive triterpenoid from Melia volkensii (Meliaceae)

✍ Scribed by Lu Zeng; Zhe-ming Gu; Ching-jer Chang; Karl V. Wood; Jerry L. McLaughlin

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
496 KB
Volume
3
Category
Article
ISSN
0968-0896

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✦ Synopsis

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.

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