Process for preparing halogenated azaindole compounds using boroxine
US9908882B2 · kind B2 · utility
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Key dates
| Filing date | Dec 17, 2015 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Dec 17, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing halogenated azaindole compounds makes use of stable reagents including a brominating reagent, a boroxine and a sulfonic anhydride to enhance the selectivity and yield of the final product. In addition, the process is associated with various other advantages, including the ability to recycle reagents, cost reduction, and improved manufacturability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.