Abstract
It was shown that during the interaction between 2-thiohydantoin and P2S5 in dioxane 2,4-dithiohydantoin (I) is formed, and without isolation from the reaction solution this compound forms 5-arylazo-2,4-dithiohydantoins (II–XI) with salts of diazone. The structure of two of these compounds has been determined by countersynthesis. When 5-arylazo-2,4-dithiohydantoins interact with amines the corresponding 4-substituted derivatives are formed.
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References
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Perova, T.V. Synthesis of 5-arylazo-2,4-dithiohydantoins. Chem Heterocycl Compd 4, 582–583 (1971). https://doi.org/10.1007/BF00481021
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DOI: https://doi.org/10.1007/BF00481021