Christoph Grohmann, Honggen Wang, F. Glorius
May 31, 2013
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Organic letters
Abstract
The Rh(III)-catalyzed amidation of C(sp(2))-H bonds by the use of electron-deficient aroyloxycarbamates as efficient electrophilic amidation partners is reported. The reaction proceeded under mild conditions with broad functional group tolerance, and pyridine and O-methyl hydroxamic acids serve as efficient directing groups, giving access to valuable N-Boc protected arylamines (also Fmoc and Cbz). Preliminary mechanistic experiments are discussed.