Process for the synthesis of diaminopyridines from glutaronitriles
US8022167B2 · kind B2 · utility
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19References
19Claims
0Family size
Inventors
Key dates
| Filing date | Dec 18, 2007 |
| Grant date | Sep 20, 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 manufacture from glutaronitriles and related compounds of 2,6-diaminopyridine 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.