This work describes an efficient and new catalyst for the one-pot synthesis of organic disulfides/
sulfides via a palladium catalyst in the presence of PPh3 ligands for domino cross-coupling reaction
of aryl halides and thiourea and then sulfur-transformation. Finally, the generated aryl thiolate
converts to disulfide at normal oxidative and atmospheric conditions in DMF/water. However, thiols
convert to unsymmetrical sulfides by one-pot reaction with alkyl halides in PEG/H2O.
Keywords: Palladium catalyst, organic disulfides/sulfides, cross-coupling reaction, thiourea, K2PdCl4, halides.
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