Nuclear magnetic resonance study of aporphine alkaloids—II : The structure of rogersine
The influence of alkali on the nuclear magnetic resonance spectra of some phenolic aporphine alkaloids has been studied. It is shown that shifts of the aromatic proton resonances greatly facilitate the elucidation of unknown structures in this series. The identity of rogersine and N-methyl-lauroteta...
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Veröffentlicht in: | Tetrahedron 1965-08, Vol.21 (8), p.2159-2167 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The influence of alkali on the nuclear magnetic resonance spectra of some phenolic aporphine alkaloids has been studied. It is shown that shifts of the aromatic proton resonances greatly facilitate the elucidation of unknown structures in this series. The identity of rogersine and N-methyl-laurotetanine (II) has been established by this method. |
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ISSN: | 0040-4020 1464-5416 |
DOI: | 10.1016/S0040-4020(01)98351-6 |