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In Situ Generated (Hypo)Iodite Catalysts for the Direct α‐Oxyacylation of Carbonyl Compounds with Carboxylic Acids

2011; Wiley; Volume: 50; Issue: 23 Linguagem: Inglês

10.1002/anie.201101522

1521-3773

Muhammet Uyanik, Daisuke Suzuki, Takeshi Yasui, Kazuaki Ishihara,

Vanadium and Halogenation Chemistry

It′s the iodine: The intra- and intermolecular title reaction is catalyzed by an in situ generated ammonium (hypo)iodite species. Either H2O2 or tert-butyl hydroperoxide (TBHP) can be used as an environmentally benign oxidant and a wide range of substrates react to give the corresponding α-acyloxycarbonyl compounds in good to excellent yields.