Process for preparing diphospines ligands and catalysts containing the same
US5929273A · kind A · utility
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3Claims
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Key dates
| Filing date | Apr 18, 1996 |
| Grant date | Jul 27, 1999 |
| 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 water-soluble diphosphines having the formula ##STR1## wherein X, Y, R.sub.1-18 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.