Coumarins from unripe fruits of Poncirus trifoliata |
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| Authors: | A Guiotto P Rodighiero G Pastorini E Celon |
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| Institution: | 1. Centro di Studio sulla Chimica del Farmaco e dei Prodotti Biologicamente attivi del C.N.R., Institute of Pharmaceutical Chemistry, University of Padova, Via Marzolo 5, Italy;2. Institute of Organic Chemistry, University of Padova, Italy |
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| Abstract: | Petrol extracts of unripe fruits of Poncirus trifoliata L. were found to contain 7-geranyloxycoumarin, bergapten, imperatorin, 6-methoxy-7-geranyloxycoumarin and two new coumarins which were shown by chemical and spectroscopic means to be 7-(3′-methyl-2′,3′-epoxybutyloxy)-8-(3″-methyl-2″,3″-epoxybutyl)coumarin and 7-(3′-methyl-2′,3′-epoxybutyloxy)-8-(3″-methyl-2″-oxobutyl)coumarin respectively. |
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| Keywords: | Rutaceae coumarins poncimarin isoponcimarin |
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