Patent ID: 6350714
Filing Date: 2002-02-26
Classification: B01J,C07C

Abstract:
A process for preparing a catalyst by activating a catalytic composition which comprisesa) at least one metal of group IB or IIB or a compound thereof, b) where appropriate a carrier which comprises treating the composition with an alkyne of the general formula IR1â€”Câ‰¡Câ€”R2â€ƒâ€ƒ(I) in whichR1 is alkyl, cycloalkyl, aryl, hydroxyalkyl, haloalkyl, alkoxy or alkoxyalkyl, R2 is a hydrogen atom, alkyl, cycloalkyl or aryl, and a carbonyl compound of the general formula II in whichR3 and R4 are, independently of one another, a hydrogen atom, alkyl, haloalkyl, cycloalkyl or aryl.