Constituents of dipterocarpaceae resins. Part I. Triterpene acids of Dryobalanops aromatica
- 1 January 1968
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- p. 1047-1051
- https://doi.org/10.1039/j39680001047
Abstract
Seven pentacyclic triterpenes were isolated from Dryobalanops aromatica, of which two were artifacts. The structure and stereochemistry at ring A of alphitolic acid was confirmed by a partial synthesis of methyl dihydroalphitolate from betulic acid, which was obtained from Eurya acuminata.Keywords
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