Hydroformylation processes employing indicator ligands

Details Hydroformylation processes employing indicator ligands Hydroformylation processes employing indicator ligands

1996-11-26

1998-04-21

Geist, Gary

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568451, C07C 4550

Patent

active

057419434

ABSTRACT:
This invention relates to a hydroformylation process which comprises reacting one or more olefinic unsaturated compounds with carbon monoxide and hydrogen in the presence of a metal-organopolyphosphite ligand complex catalyst and optionally free organopolyphosphite ligand, and an amount of a sterically hindered organophosphorus ligand different from the organopolyphosphite ligand of said metal-organopolyphosphite ligand complex catalyst, to produce one or more aldehydes. The sterically hindered organophosphorus ligands are useful as indicators of organopolyphosphite ligand depletion in said hydroformylation process.

REFERENCES:
patent: 5288918 (1994-02-01), Maher et al.

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