It has been established that iodocyclization of 3-(2-methyl-2-propenyl)thio-4-methyl-1,2,4-triazole occurs regioselectively with annelation of the thiazole ring, 3-(3-methyl-2-butenyl)thio-4-methyl-1,2,4-thiazole with annelation of the thiazine ring, and 3-allylthio-4-methyl-1,2,4-triazole with annelation of both rings to form derivatives of [1,3]thiazolo[3,2-b][1,2,4]triazolium and [1,2,4]triazole[5,1-b][1,3]thiazinium iodides.
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Celebrating the jubilee of Academician of the Russian Academy of Sciences V. N. Charushin.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, 766–769, June, 2011.
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Il’inykh, E.S., Kim, D.G. Iodocyclization of S-allyl derivatives of 3-mercapto-4-methyl-1,2,4-triazole. Chem Heterocycl Comp 47, 636–638 (2011). https://doi.org/10.1007/s10593-011-0809-x
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DOI: https://doi.org/10.1007/s10593-011-0809-x