The chemistry of the Euphorbiaceae. XXI. Compounds from Beyeria brevifolia: (15S)-15,16-Dihydroxy-3,4-seco-enantio-pimara-4(18),7-dien-3-oic acid
- 1 January 1968
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 21 (10) , 2529-2542
- https://doi.org/10.1071/ch9682529
Abstract
.The isolation of the title acid (I) together with a new flavone and known diterpenes of the beyerane and kaurane series is described. The structure (I) assigned to the new acid rests mainly on its conversion into 3,4-secobeyerane, which was partly synthesized. The configuration of C 15 was assigned on the basis of a method due to Horeau. The structure (XXX) of the new flavone was determined by degradation of the triethyl ether.Keywords
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