| abstract |
The invention relates to a hydroformylation process for rceparing aldehydes by reactively contacting an olefin, ydrogen and carbon monoxide, at elevated temperature and ressure, in the presence of catalyst comprising a mixture of 1) a platinum complex of the formula Pt(QR 3 )m where Q is a roup VA element, R is alkyl, alkoxyl, aryl or aryloxyl and m is in integer of from 2 to 4, and (2) a metal halide of the formula Xn where M is a group lVB metal, X is a halogen and n is 2 or |