Patent · US Expired

6,7-dihydro-5H-pyrazolo[1,2-a]pyrazol-1-ones which control inflammatory cytokines

US6849627B2 · kind B2 · utility

1Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 17, 2003
Grant dateFeb 1, 2005
Priority date
Expiry dateMay 30, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D487/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to compounds which are capable of preventing the extracellular release of inflammatory cytokines, said compounds, including all enantiomeric and diasteriomeric forms and pharmaceutically acceptable salts thereof, have the formula: wherein R1 is substituted aryl; R4 is substituted or unsubstituted aryl or heteroaryl.

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