A K2S2O8/I2 promoted C–S coupling reaction of β-diketones with disulfides has been described. The resulting α-thio-β-diketone compounds were obtained in good to excellent yields. Both diaryl and dialkyl disulfides coupled well with a variety of β-diketones under transition metal-free and solvent-free conditions.
Y. Liu, S. S. Badsara, Y. Liu and C. Lee, RSC Adv., 2015, 5, 44299 DOI: 10.1039/C5RA07204B
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