Negative-ion mass spectra of diterpene alkaloids with the keto group in the 6- or 7-position |
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| Authors: | D V Mavrodiev M F Abdullin D A Sainiev E P Nafikova E M Tsyrlina V K Mavrodiev I I Furlei M S Yunusov |
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| Institution: | 1.Institute of Organic Chemistry, Ufa Scientific Center,Russian Academy of Sciences,Ufa,Russia;2.Institute of Physics of Molecules and Crystals, Ufa Scientific Center,Russian Academy of Sciences,Ufa,Russia |
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| Abstract: | Processes resulting in the formation of negative ions by molecules of some diterpene alkaloids via resonance electron capture
have been studied. The mass spectra of these compounds have a small number of lines represented largely by intense peaks in
the thermal electron energy region and are due to electron capture onto the lower unoccupied molecular orbital, which is π*-C=O
or π*-Ph-C=O in character. |
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