Oxoammonium Resins as Metal-Free, Highly Reactive, Versatile Polymeric Oxidation Reagents J.R. gratefully acknowledges generous support from Prof. M. E. Maier, Tübingen, the Strukturfonds of the Universität Tübingen, and Merck KGaA, Darmstadt, Germany
Angew Chem Int Ed Engl. 2001 Apr 17;40(8):1436-1439.