Structure and configuration of new coumarins of the roots of Ferula mogoltavica
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From the roots ofFerula mogoltavica, two new terpenoid coumarins have been isolated — mogoltavidin and mogoltavicin — and also one known one — gummosin.
On the basis of a comparison of the spectra of mogoltavidin and those of known isomers it has been established that (IV) is the ether of umbelliferone and trans-3,8 dihydroxy-4,4,8,10-tetramethyldecalin-9-yl carbinol with the axial arrangement of the hydroxy groups.
Mogoltavicin is the natural acetyl derivative of mogoltavidin at the secondary hydroxy group.
KeywordsCoumarin Hydroxy Group Methine Proton Umbelliferone Carbinol
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