Process of synthesis of compounds having nitrile functions from ethylenically unsaturated compounds
US7470805B2 · kind B2 · utility
27Cited by
6References
24Claims
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Key dates
| Filing date | Jun 27, 2006 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Jun 27, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C253/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process of hydrocyanation of diolefins such as butadiene is carried out in the presence of a catalytic system comprising a transition metal and mono- and pluri-dentate organophosphorus ligands. The reaction medium containing branched nitrites subsequently is isomerized in the absence of hydrogen cyanide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.