Class of olefin metathesis catalysts, methods of preparation, and processes for the use thereof
US8227371B2 · kind B2 · utility
16Cited by
24References
51Claims
0Family size
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Key dates
| Filing date | Sep 24, 2010 |
| Grant date | Jul 24, 2012 |
| Priority date | — |
| Expiry date | Sep 24, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/825
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a metathesis catalyst comprising (i) a Group 8 metal hydride-dihydrogen complex represented by the formula:wherein M is a Group 8 metal; X is an anionic ligand; and L1 and L2 are neutral donor ligands; and (ii) a ligand exchange agent represented by the formula J-Y, wherein J is selected from the group consisting of hydrogen, a C1 to C30 hydrocarbyl, and a C1 to C30 substituted hydrocarbyl; and Y is selected from the group consisting of halides, alkoxides, aryloxides, and alkyl sulfonates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.