abstract |
The subject of the invention is a catalyst comprising a support based on alumina or silica or silica-alumina, at least one element from group VIII, at least one element from group VIB, and at least one organic compound of formula (I) in which R 1 is a hydrocarbon radical comprising from 1 to 12 carbon atoms, R 2 and R 3 are selected from a hydrogen atom and a hydrocarbon radical comprising from 1 to 12 carbon atoms, X is selected from an oxygen atom or a sulfur atom except when R 2 and R 3 represent a hydrogen atom X is then an oxygen atom, Y is selected from a hydrogen atom, a hydrocarbon radical comprising from 1 to 12 carbon atoms, or a –C(O)R 4 moiety, R 4 being selected from a hydrogen atom and a hydrocarbon radical comprising from 1 to 12 carbon atoms. |