Process for the preparation of quinoline based ionic fluoride salts (QUFS)
US9643169B1 · kind B1 · utility
1Cited by
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3Claims
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Inventors
Key dates
| Filing date | May 19, 2016 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | May 19, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/002
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The current invention relates to ionic liquid preparation and their application in organic synthesis. More specifically, the present invention relates to the quinoline based ionic liquids having fluoride counter anion and their applications in click chemistry, Knoevenagel condensation to 1,2,5,6-tetrahydronicotinonitrile (12), and pyrazol (15) formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.