Process for the preparation of phenylmalonic acid dinitriles
US7268247B2 · kind B2 · utility
2Cited by
8References
14Claims
0Family size
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Key dates
| Filing date | Dec 4, 2003 |
| Grant date | Sep 11, 2007 |
| Priority date | — |
| Expiry date | Dec 4, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C253/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Phenylmalonic acid dinitriles are prepared by reaction of, for example, phenyl Kalides with malonic acid dinitrile in the presence of palladium catalysts and bases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.