Process for preparing spiro derivatives
US11149039B2 · kind B2 · utility
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15References
19Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 10, 2018 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Oct 10, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D403/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a novel process for preparing Spiro derivatives, in particular 7-methyl-2-[4-methyl-6-[4-(trifluoromethyl)-phenyl]pyrimidin-2-yl]-1,7-diazaspiro[4.4]nonan-6-one, and to novel intermediates for use in said process along with processes for preparing said intermediates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.