Bis pyrazole-1H-pyrazole intermediates and their synthesis
US6492529B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2002 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | Feb 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.