Preparation of hexene-1,6-dioic acids
US5179231A · kind A · utility
1Cited by
0References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 1990 |
| Grant date | Jan 12, 1993 |
| Priority date | — |
| Expiry date | Dec 13, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Hexene-1,6-dioic acids, e.g., hex-3-ene-1,6-dioic acid, are prepared by reacting carbon monoxide with at least one butenediol, in a polar, aprotic, basic solvent, in the presence of a catalytically effective amount of palladium values and at least one inorganic halide, the cation of which halide being an alkali or alkaline earth metal and the anion thereof being a chloride or bromide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.