The structure of seselirin: A new chromone from the roots ofSeseli sessiliflorum
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From the roots ofSeseli sessiliflorum Schrenk a new chromone has been isolated for which the structure of 2′,2′-dimethyl-3′-(3-methylthioacryloyloxy)-3′,4′-dihydropyrano-5′,6′:6,7-(5-hydroxy-2-methyl) chromone has been proposed. It is the first representative of this group of natural compounds containing sulfur.
KeywordsChromone Methine Proton Sodium Carbonate Solution Secondary Hydroxyl Double Volume
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