Dinitrogen tetroxide complexes of iron(III) and copper(II) nitrates as new versatile reagents for organic synthesis. Efficient and selective oxidation of sulfides to their corresponding sulfoxides under mild conditions

Article abstract of DOI:10.1080/00397919808005730

Fe(NO₃)₃. 1.5 N₂O₄ and Cu(NO₃)₂.N₂O₄ are new, stable, and highly efficient reagents for the quantitative transformation of sulfides to sulfoxides in dichloromethane or