摘要 |
The invention relates to a hydroformylation process for preparing aldehydes by reactively contacting an olefin, hydrogen and carbon monoxide, at elevated temperature and pressure, in the presence of a catalyst comprising a mixture of (1) a platinum complex of the formula Pt(QR3)m where Q is a Group VA element, R is alkyl, alkoxyl, aryl or aryloxyl and m is an integer of from 2 to 4, and (2) a metal halide of the formula MXn where M is a group IVB metal, X is a halogen and n is 2 or 4. |