Patent · US Expired

Process for preparing heterocyclo-alkylsulfonyl pyrazole derivatives

US6646128B2 · kind B2 · utility

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33Claims
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Assignee

Inventors

Key dates

Filing dateSep 27, 2002
Grant dateNov 11, 2003
Priority date
Expiry dateSep 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.