Patent · US Active

Cyclic ether derivatives of pyrazolo[1,5-a]pyrimidine-3-carboxyamide

US12351584B2 · kind B2 · utility

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8References
13Claims
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Assignee

Inventors

Key dates

Filing dateMay 19, 2023
Grant dateJul 8, 2025
Priority date
Expiry dateJul 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.