Process for the synthesis of perfluoroalkandienes
US5082981A · kind A · utility
2Cited by
2References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 29, 1990 |
| Grant date | Jan 21, 1992 |
| Priority date | — |
| Expiry date | Oct 29, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/269
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Perfluorobutadiene and higher alkandienes, with terminal double bonds, are obtained from .alpha.,.omega.-dibromo, .alpha., .omega.,bromo, iodo perfluoroalkanes by dehalofluorination carried out with the aid of an organometallic compounds, in the presence of aprotic solvent belonging to the class of hydrocarbons or polar aprotic solvent belonging to the class of ethers, with limited reaction times.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.