Patent · US Active

Tricyclic compounds and their use as phosphodiesterase inhibitors

US11472805B2 · kind B2 · utility

1Cited by
6References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 2016
Grant dateOct 18, 2022
Priority date
Expiry dateAug 7, 2036

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D519/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention is directed to compounds of Formula I: or a pharmaceutically acceptable salt thereof, wherein the substituents A, R1, R2, R3a, R3b, R4a, R4b and n are as defined herein. The inventions also directed to pharmaceutical compositions comprising the compounds, methods of treatment using the compounds and methods of preparing the compounds.

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