Abstract
The reaction of arylhydrazides of α-alkyl-α-chlorocarboxylic acids with thiocyanate ions gave intermediate thiocyanates which rearranged to isothiocyanates on heating and the latter cyclized to 5,5-dialkyl-3-arylamino-2-thiohydantoins.
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Institute of Technical Chemistry, Urals Branch, Russian Academy of Sciences, Perm' 614000. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 898–903, July, 1997.
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Glushkov, V.A., Mashevskaya, I.V., Sokol, V.I. et al. Synthesis and structure of 5,5-dialkyl-3-arylamino-2-thiohydantoins. Chem Heterocycl Compd 33, 783–788 (1997). https://doi.org/10.1007/BF02253026
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DOI: https://doi.org/10.1007/BF02253026