Abstract
The gas-phase reactions of seven biological lactones are examined in a quadrupole ion trap mass spectrometer and compared to the reactions of simple diols and lactones, which represent the active subunits of the title compounds. The evaluation of selective ion–molecule reactions of these biologically active lactones reveals structural information that is complementary to collisionally activated dissociation reactions. Depending on the nature of the substituents, the biolactones react with dimethyl ether ions by characteristic pathways. Some of the reaction products suggest that intramolecular dehydration occurs from loose proton-bound adducts due to specific functional group interactions.
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