| 摘要 |
The present invention relates to a process for preparing aldehydes by hydroformylation of olefins or olefinically unsaturated compounds in the presence of at least one rhodium compound and a nonaqueous ionic ligand liquid of the formula (Q~)a A~ , where Q~ is a singly charged quaternary ammonium and/or phosphonium cation or the equivalent of a multiply charged ammonium and/or phosphonium cation and A~ is a sulfonated triarylphosphine. |
