Discovery of Periodinane Oxy-Assisted (POA) Oxidation Mechanism in the IBX-Controlled Oxidative Dearomatization of Pyrroles Mediated by Acetic Acid
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Farshadfar, Kaveh
Gunawan, Nina
Shiri, Farshad
Howard, James K.
Vaas, Andaravaas Patabadige Jude P.
Bissember, Alex C.
Yates, Brian F.
Smith, Jason A.
Ariafard, Alireza
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The 2-iodoxybenzoic acid (IBX)-controlled oxidative dearomatization of pyrroles occurs very slowly (or not all) in many organic solvents, including DMSO in which IBX is soluble. Interestingly, although IBX is only partially soluble in acetic acid, this solvent mediates the pyrrole oxidative dearomatization. With the aid of density functional theory (DFT) calculations, we have discovered a new mode of reactivity, termed the periodinane oxy-assisted (POA) oxidation mechanism, which explains this observation.
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Journal of Organic Chemistry
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