| Abstrakt: |
Abstract One- and two-dimensional homo- and heteronuclear correlation proton, carbon, proton—proton, and proton—carbon NMR spectra of fifteen drimanic sesquiterpenoids: 11,12-dibromodrima-5,8-dien-7-one, drim-8-en-7-one, 11-hydroxydrim-8-en-7-one, 11,12-dihydroxydrim-8-en-7-one, 11ß-hydroxy-11,12-epoxydrim-8-en-7-one, 11a-hydroxy-11,12-epoxydrim-8-en-7-one, 8a,9a-epoxydriman-7-one, 8a,9a-epoxydriman-7ß-ol, 11,12-diacetoxydrim-8-en-7ß-ol, drimane-7a,8a,11-triol, 7a,8a-isopropylidenedioxydriman-11-al, 9a, 11-dihydroxydrim-7-en-6-one, drimane-7ß,8ß,9a-triol, drimane-7ß,8ß,11-triol, and drim-8-ene-7ß,11,12-triol were studied. The proton and carbon chemical shifts were assigned. [ABSTRACT FROM AUTHOR] |
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