| 摘要 |
The invention concerns a method for preparing ketones of formula (I) wherein A and B are as defined in Claim 1, consisting in reacting at a temperature ranging between 250 and 500 DEG C a compound of formula (II): A - X with a compound of formula (III): B - Y, wherein A, B, X and Y are as defined in Claim 1, in a coolant solvent having a boiling point higher than 250 DEG C, in the presence of a catalyst comprising at least a chemical compound of an element selected among alkali, alkaline-earth metals, lanthanides, Si, Al, Zn, Cu, Co, Fe, Mo, Mn, Cr, V, Ti, Zr, U, Rh, Tl, Ag, Cd, Pb, Y, Sc and Th, wherein the element is in divalent state or has a higher valency. |
