Process for production of perfluoroalkadienes
US6610896B2 · kind B2 · utility
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Key dates
| Filing date | Jul 5, 2002 |
| Grant date | Aug 26, 2003 |
| Priority date | — |
| Expiry date | Jul 5, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/23
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing a perfluoroalkadiene compound of formula (I)CF2═CF—(CF2)n-4—CF═CF2  (I)(wherein n is an integer from 4 to 20) by the deiodofluorination of a compound of formula (II)I—(CF2)n—I  (II)(wherein n is as defined above),characterised in that said deiodofluorination is conducted in the presence of metallic zinc and a nitrogen-containing organic compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.