Thionyl tetrafluoride modified compounds and uses
US11254702B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Nov 29, 2017 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Feb 27, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J51/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Thionyl tetrafluoride gas reacts efficiently with primary amines to form reactive iminosulfur oxydifluoride compounds. These dual SVI—F loaded iminosulfur oxydifluoride compounds, in turn, readily react with secondary amines or aryloxy silyl ethers (ArO—SiR3), yielding the corresponding fused heteroatom-linked substrates. Iminosulfur oxyfluoride polymers also are provided by disclosed methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.