Irradiation of friedelan-21-ones: structure determination of novel friedelane triterpenes from kokoona zeylanica
- 1 January 1979
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 10,p. 434-436
- https://doi.org/10.1039/c39790000434
Abstract
Formation of the photoproducts (10) and (12) and chemical and spectroscopic evidence suggest that kokoononol obtained from Kokoona zeylanica is 27-hydroxyfriedelane-3,21-dione (1); kokoondiol and kokoonol have been identified as 21α,27-dihydroxyfriedelan-3-one (2) and 27-hydroxyfriedelan-3-one (3), respectively, by chemical conversions.Keywords
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