Oxidative transformation of aryls using molybdenum pentachloride?

Chemical Communications Pub Date: 2012-07-04 DOI: 10.1039/C2CC33925K

Abstract

Molybdenum pentachloride combines a strong Lewis acid character with an unusually high oxidation potential creating a powerful reagent for oxidative transformations. Since the oxidative coupling reaction of aryls is induced at an extraordinarily high reaction rate, a variety of labile groups, e.g. iodo, tert-alkyl, etc., are tolerated on the aromatic core. Furthermore, the co-formed molybdenum salts can either be exploited for template effects to obtain uncommon geometries in a preferred manner, or redox-play starts after aqueous workup. Therefore MoCl5 represents a unique and easily available reagent.

Graphical abstract: Oxidative transformation of aryls using molybdenum pentachloride
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