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The oxidative dimerization of thioamides to form 3,5-disubstituted 1,2,4-thiadiazole has been reported using stoichiometric IBX/TEAB and polymer-supported (diacetoxyiodo)benzene.22 The utilization of (diacetoxyiodo)benzene on polymeric support leads to concerns about the steric accessibility and the insolubility of the reagent in most organic solvents.

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