Aldehyde preparation by hydroformylation of olefins uses (new) sub-group VIII catalysts with phospholyl or polyphospholyl complexing ligands, also useful in olefin hydrocyanation

摘要

Production of aldehydes by hydroformylation of olefins with CO/H2 uses a sub-Group VIII transition metal complex as catalyst at 20-200 deg C and atmospheric to 700 bar pressure. The catalyst has epsilon 5-phospholyl- or epsilon 5-polyphospholyl complex-formers as ligands. Some of these complexes are themselves new. An Independent claim is also included for new complexes of formula (I). M'L'n(CO)m (I) M' = sub-Group VIII element; L' = mono- or poly-dentate epsilon 5-phospholyl- and/or epsilon 5-polyphospholyl complex-forming ligands; and n and m -1.