Patent · US Expired

Bis pyrazole-1H-pyrazole intermediates and their synthesis

US6492529B1 · kind B1 · utility

73Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 2002
Grant dateDec 10, 2002
Priority date
Expiry dateFeb 5, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D405/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed are aromatic heterocyclic compounds of the formula (I) wherein Ar1, Ar2, L, Q and X are described herein, and intermediate compounds useful for making such compounds. The compounds are useful in pharmaceutic compositions for treating diseases or pathological conditions involving inflammation such as chronic inflammatory diseases. Also disclosed are processes of making compounds of the formula (I), their intermediates and processes of making such intermediates, including bis pyrazole-1H-pyrazole intermediates of the formula: wherein Alk, Rx and Rz are described herein.

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