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1,3-Dibromo-5,5-Dimethylhydantoin, DBDMH

DBDMH is a cheap and convenient alternative to NBS (N-bromosuccinimide) for example for the bromination of electron-rich arenes.

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A mild and efficient oxidation of various thiols affords the corresponding disulfides using 1,3-dibromo-5,5-dimethylhydantoin (DBDMH) as oxidant under both solution and solvent-free conditions.
A. Khazaei, M. A. Zolfigol, A. Rostami, Synthesis, 2004, 2959-2961.