When using O2, K2S2O8, and KMnO4 as oxidants, this reaction did not occur (entries 9–11). By opdteismiginzaattioionnofoDf tMhSeOr/eHac2Otioans stoelmvepnet,rtahteuirnef,luitenwcaesoffoouxinddantthoant rtehaecthioignhaecstitvsittyywreanseincvoensvtiegrasteiodn. and the pCroodmupcat...