A New, Convenient, Highly Selective Free-Radical Hydroxymethylation of Heteroaromatic Bases by Persulfate Oxidation of Ethylene Glycol and Glycerol, Catalysed by AgNO3 - Minisci, Francesco; Porta, Ombretta; Recupero, Francesco; Punta, Carlo; Gambarotti, Cristian; Pruna, Barbara; Pierini, Monica; Fontana, Francesca (Synlett, 2004)