Structure of istanbulin A and istanbulin B - two sesquiterpenic lactones from Smyrnium olusatrum L.
- 1 January 1984
- journal article
- Published by Institute of Organic Chemistry & Biochemistry in Collection of Czechoslovak Chemical Communications
- Vol. 49 (5) , 1311-1317
- https://doi.org/10.1135/cccc19841311
Abstract
The structures of istanbulin A (I) and istanbulin B (III), including absolute configurations, have been derived on the basis of spectral methods, primarily a detailed analysis of 1H NMR spectra and circular dichroism measurements. Both substances belong to the type of (4R, 5S,10R)-eremophilan-8,12-olides.Keywords
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