AUTHOR=Singh Fateh Veer , Dohi Toshifumi , Kumar Ravi TITLE=Editorial: Metal-free oxidative transformations in organic synthesis JOURNAL=Frontiers in Chemistry VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2022.956779 DOI=10.3389/fchem.2022.956779 ISSN=2296-2646