Synthesis of 2-(2-furoyl)-4(5)-(2-furanyl)-1H-imidazole and analogs thereof
US5856511A · kind A · utility
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4Claims
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Key dates
| Filing date | Aug 6, 1997 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Aug 6, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a practical and facile synthesis of 2-(2-furoyl)-4(5)-(2-furanyl)-1H-imidazole (FFI) and analogs thereof. The synthesis utilized a novel hydrazinium salt as an intermediate reaction product which facilitates the isolation of purified product in high yields.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.