Process to prepare a terminal aldehyde

Details Process to prepare a terminal aldehyde Process to prepare a terminal aldehyde

1997-04-28

1999-02-23

Geist, Gary

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

Organic compounds

Oxygen containing

568451, 502155, C07C 4550

Patent

active

058746412

ABSTRACT:
A hydroformylation catalyst composition comprising iridium or rhodium and a bidentate organic phosphite ligand wherein the two phosphorus atoms of the phopshite ligand are linked with a 2,2'-dihydroxyl-1,1'-binapthalene bridging group having the following structure (Q): ##STR1## in which R.sup.1 and R.sup.2 are substituents other than hydrogen.

REFERENCES:
patent: 4769498 (1988-09-01), Billig et al.
patent: 4885401 (1989-12-01), Billig
patent: 5210260 (1993-05-01), Bohshar et al.
patent: 5235113 (1993-08-01), Sato

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