| abstract |
A method for producing a sulfoxide derivative represented by general formula (1), n nthe method being characterized in that a sulfide derivative represented by general formula (2)n n nis reacted with an oxidizing agent in the presence of a catalyst that is a metal-ligand complex containing a metal compound and, as a ligand, a compound represented by general formula (3),n n nand in the presence of a benzoic acid compound represented by general formula (4) |