Process for preparing heterocyclo-alkylsulfonyl pyrazole derivatives
US6646128B2 · kind B2 · utility
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33Claims
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Key dates
| Filing date | Sep 27, 2002 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Sep 27, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D249/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to processes for preparing compounds of formula 1: as well as intermediates useful in such processes, wherein R1-R4 are as defined herein. The compounds of formula 1 are useful in the treatment or alleviation of inflammation and other inflammation associated disorders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.