Aryl diphosphines and catalysts containing the same
US5777087A · kind A · utility
11Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1996 |
| Grant date | Jul 7, 1998 |
| Priority date | — |
| Expiry date | Apr 18, 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 aryl diphosphines having the formula ##STR1## wherein X, Y, R.sub.1-18, m, m' and n are defined herein, and which can be complexed with a transition metal to form a novel catalyst useful in such applications as hydroformylation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.