PDE9 inhibitor and use thereof
US11434248B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2021 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Jan 5, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D519/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention falls within the technical field of medicine, and in particular relates to PDE9 inhibitor compounds as shown in formula (I) or pharmaceutically acceptable salts or stereoisomers thereof, and also relates to pharmaceutical preparations and pharmaceutical compositions of the compounds and the uses thereof. X1, X2, X3, X4, R1, R2, ring A, L and m are as defined in the description. The compounds can be used to prepare drugs for treating or preventing related diseases mediated by PDE9.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.