Process for the production of lactones
US4634780A · kind A · utility
11Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1985 |
| Grant date | Jan 6, 1987 |
| Priority date | — |
| Expiry date | Sep 24, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D315/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Lactones are produced by reacting an unsaturated alcohol capable of intramolecular esterification to form a lactone ring with carbon monoxide in the presence of a protonic acid and a catalyst comprising (a) at least one of the metals palladium, rhodium, ruthenium, iridium and cobalt, and (b) at least one of the metals copper, molybdenum and iron, the metals (a) and (b) being in the form of either the elemental metal or a compound thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.