Phosphines and catalysts containing the same
US5817775A · kind A · utility
1Cited by
9References
6Claims
0Family size
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Inventors
Key dates
| Filing date | Oct 10, 1996 |
| Grant date | Oct 6, 1998 |
| Priority date | — |
| Expiry date | Oct 10, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides novel a phosphine as a ligand (L) and having the formula ##STR1## wherein k, l, m, R', R", R.sub.1 -R.sub.9 and n are defined herein, and which can be complexed with a transition metal (M') and an auxiliary ligand Y to form a novel catalyst having the formula M'L.sub.x Y.sub.Z useful in such applications as hydroformylation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.