Iodine- and bromine-containing tetrazolo5, 1-b1, 3thiazinium halides were synthesized for the first time by electrophilic heterocyclization of 5-prenylsulfanyl- and 5- (3-butenyl) sulfanyl-1-methyltetrazoles under the action of iodine or bromine in various solvents. The structure of the obtained compounds was studied and confirmed by 1H and 13C1H NMR spectroscopy methods. The structure of 7-iodomethyl-3-methyl-6, 7-dihydro-5H-tetrazolo5, 1-b1, 3thiazinium polyiodide and non-covalent interactions (short contacts) cation···anion were characterized by single crystal X-ray diffraction analysis.
Il’inykh et al. (Wed,) studied this question.