The structure of luteine
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On the basis of the results of chemical reactions and spectral characteristics, the structure of 2,11-dihydroxy-12-methoxy-1,12-epoxyhexahydrohomoproaporphine is proposed for luteine.
The structure of ring D of the base has been confirmed by a study of NMR and INDOR spectra.
KeywordsLuteine Caustic Soda Tropolone Geminal Pair INDOR Spectrum
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