Electrochemical preparation of branched unsaturated dinitriles
US4941954A · kind A · utility
1Cited by
5References
9Claims
0Family size
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Key dates
| Filing date | May 8, 1989 |
| Grant date | Jul 17, 1990 |
| Priority date | — |
| Expiry date | May 8, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B3/29
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The preparation of branched unsaturated dinitriles as the major products (along the branched saturated dinitriles as the by-products) is achieved by electrolytic coupling of unsaturated mono nitriles in acetonitrile. All dinitrile products have an odd number of carbons between the two nitrile groups. The starting aliphatic unsaturated nitriles include 2-pentenenitrile, 3-pentenenitrile, 2-butenenitrile and 3-methyl-2-butenenitrile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.