Patent · US Expired

Process for preparing alkanesulfonyl pyridines

US6590103B2 · kind B2 · utility

0Cited by
1References
22Claims
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Key dates

Filing dateSep 27, 2002
Grant dateJul 8, 2003
Priority date
Expiry dateSep 27, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D213/77
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing alkanesulfonyl pyridines of the formula 1: is disclosed, wherein R1 is as defined herein. The compounds of formula 1 are useful in the preparation of pyridyl-substituted pyrazoles used in the treatment and alleviation of inflammation and other inflammation associated disorders.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.