Process to prepare a terminal aldehyde
US5874641A · kind A · utility
11Cited by
4References
8Claims
0Family size
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Key dates
| Filing date | Apr 28, 1997 |
| Grant date | Feb 23, 1999 |
| Priority date | — |
| Expiry date | Apr 28, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/827
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.