Cyclic ether derivatives of pyrazolo[1,5-a]pyrimidine-3-carboxyamide
US12351584B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2023 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Jul 28, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to Spirocyclic ether derivatives of pyrazolo[1,5-a]pyrimidine-3-carboxyamide of formula (I) wherein R1, R2, R3, R5, R6 and A are as defined herein. The compounds of formula (1) are inhibitors of phosphodiesterase 2 and useful in treating central nervous system diseases and other diseases. The invention relates to processes for preparing pharmaceutical compositions as well as processes for manufacture the compounds according to the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.