Asymmetric oxidation of aryl sulfides by iodosobenzene has been achieved using the novel iron porphyrin catalysts derived from the antipodes of a C2-chiral 1,4-xylylene-strapped porphyrin, affording the corresponding sulfoxides in 18–71% enantiomeric excess.
L. Chiang, K. Konishi, T. Aida and S. Inoue, J. Chem. Soc., Chem. Commun., 1992, 254 DOI: 10.1039/C39920000254
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