| abstract |
The present invention provides a method for producing a carbonyl compound corresponding to an olefin, characterized by reacting an olefin with molecular oxygen, in a water-containing liquid phase, said liquid phase containing a palladium catalyst, a heteropolyacid having a heteropolyanion represented by [XaMbM'cOd]n-(wherein, X represents an element selected from P, Si and S; a represents an integer of 1 or 2; M and M' represents an element selected from Mo, W, V, Ta and Nb; b, c represents an integer equal to or more than 0; d represents an integer equal to or more than 1; n represents an integer equal to or more than (1) and a vanadium compound. |