Process for the synthesis of diaminopyridines from glutarimidines
US8084569B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Dec 18, 2007 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Dec 18, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/74
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A liquid-phase process is provided for the synthesis from glutarimidines of diaminopyridines and related compounds, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.