Method for producing perfluoroalkadiene compounds
US11001545B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Feb 2, 2018 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Feb 2, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F36/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
According to a method for producing a perfluoroalkadiene compound represented by general formula (1): CF2═CF—(CF2)n-4—CF═CF2 (1), wherein n is an integer of 4 or more, the method comprising a reaction step of adding a nitrogen-containing compound to a solution of a compound represented by general formula (2): X1CF2—CFX2—(CF2)n-4—CF2X1 (2), wherein n is the same as above, X1 is the same or different and is a halogen atom other than fluorine, and X2 is a halogen atom, the perfluoroalkadiene compound can be obtained at a high yield.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.