Process for the preparation of a mixture of alkyl pentenoates
US5693851A · kind A · utility
9Cited by
3References
18Claims
0Family size
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Key dates
| Filing date | Feb 2, 1996 |
| Grant date | Dec 2, 1997 |
| Priority date | — |
| Expiry date | Feb 2, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C67/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for the preparation of a mixture of alkyl pentenoates by carbonylation of butadiene in the liquid phase in the presence of an alkanol, carbon monoxide, palladium and a bidentate organic phosphorus, antimony or arsenic ligand, the bidentate ligand having as bridging group a bis(.eta.-cyclopentadienyl) coordination group of a transition metal. Preferably the transition metal is iron.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.