Process for the preparation of triazolo[4,5-D] pyrimidine cyclopentane compounds
US10011605B2 · kind B2 · utility
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32Claims
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Key dates
| Filing date | Jun 11, 2015 |
| Grant date | Jul 3, 2018 |
| Priority date | — |
| Expiry date | Jun 11, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D239/50
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for preparation of triazolo[4,5-d] pyrimidine cyclopentane compounds of formula (I), and pharmaceutically acceptable salts thereof. The invention also provides novel compounds that can be used as intermediates in the process for preparing triazolo[4,5-d] pyrimidine cyclopentane compounds. The process and the intermediates are particularly useful for the preparation of ticagrelor and pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.