Process for the preparation of 7-(4,7-diazaspiro[2.5]octan-7-yl)-2-(2,8-dimethylimidazo [1,2-B]pyridazin-6-yl)pyrido[1,2-a]pyrimidin-4-one derivatives
US11390632B2 · kind B2 · utility
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Key dates
| Filing date | Mar 19, 2020 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Mar 19, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of 7-(4,7-diazaspiro[2.5]octan-7-yl)-2-(2,8-dimethylimidazo[1,2-b]pyridazin-6-yl)pyrido[1,2-a]pyrimidin-4-one derivatives useful as pharmaceutically active compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.