Nucleophilic displacements of N-aryl and heteroaryl groups. Part 2. Pyrylium-mediated transformations of anilines into aryl-sulphur functionality
作者:Alan R. Katritzky、Roland T. Langthorne
DOI:10.1039/p19830002605
日期:——
Carbon disulphide and methyl iodide converted the anhydrobases (3) into 8-[(methylthio)thiocarbonyl]pyridinium iodides (4) which afforded new pyridiniumanhydrobases (5) with ethoxide. These anhydrobasesrearranged into the isomeric ketene S,S-dithioacetals (6), precursors for disulphides.