Abstract
In this paper, we report hemithioketal formation of diphenylpropanetrione (DPPT) with thiols and their recovery. Addition of thiols to the central carbonyl group occurred readily at ambient temperature to provide the thiol adducts of DPPT (DPPT–thiols), which has a hemithioketal structure. On the other hand, oxidizing DPPT–thiols with an oxidation reagent enabled successful recovery of DPPT, which indicated the reversible nature of this system.
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