Method for producing cyanoacetic acid esters
US6700010B1 · kind B1 · utility
2Cited by
1References
11Claims
0Family size
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Key dates
| Filing date | Jul 12, 2002 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | Jul 12, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C253/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for producing cyanoacetic acid esters of general formula (I): wherein R represents on optionally substituted linear or branched C1-8 alkyl group or an aryl C1-4 alkyl group. According to the method, an alkoxypropionitrile of the general formula (II): wherein R is defined above, is oxidized to form the desired product in the presence of a catalyst, based on lead or on one of the transition metals, using oxygen or an oxygen-forming reagent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.