| abstract |
Catalyst containing a metal of the platinum group, a further metal or semimetal, an alkali metal or alkaline earth metal and/or their oxidized forms and also a magnesium-containing oxide, preferably Pd, K and Bi, or Pd, K, Bi and Pt being present, for the acetoxylation of a C<SUB>2</SUB>-C<SUB>9</SUB>-hydrocarbon such as olefins or alkyl aromatics, but in particular butadiene, in the gas phase in the presence of an oxygen-containing atmosphere and acetic acid. |