Method of preparing 4-(imidazol-1-yl)benzenesulphonamide derivatives
US7351836B2 · kind B2 · utility
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Key dates
| Filing date | Aug 1, 2002 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Nov 28, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D233/68
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for the preparation of 4-(imidazol-1-yl)benzenesulfonamide derivatives of formula I, wherein R1 represents optionally substituted aryl or heteroaryl, which comprises treating a compound of formula II, wherein R1 has the same meaning defined in the formula I and Butt represents tert-butyl, with an acid. The 4-(imidazol-1-yl)benzenesulfonamide derivatives of formula I are useful as anti-inflammatory agents
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