Dithiodinicotyrine, obtained from nicotine and sulphur, has been identified as bis-1-methyl-2-(3-pyridyl)pyrrol-3-yl disulphide (9) from its spectra, reactions, and X-ray crystal structure. Its mode of formation is considered.
R. M. Acheson, M. J. Ferris, S. R. Critchley and D. J. Watkin, J. Chem. Soc., Perkin Trans. 2, 1980, 326 DOI: 10.1039/P29800000326
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