Process for preparing 1,3-dioxoles
US5296617A · kind A · utility
7Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 1992 |
| Grant date | Mar 22, 1994 |
| Priority date | — |
| Expiry date | Feb 5, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D317/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing 1,3-dioxoles of formula: ##STR1## in which X.sub.1 and X.sub.3, like or different from each other, are F or H, X.sub.5 and X.sub.6, like or different from each other, are F or CF.sub.3, by dehalogenation reaction of the corresponding 4,5-dihalodioxolanes in the presence of a dehalogenation agent at a temperature ranging from +30.degree. to +130.degree. C. The starting dioxolanes are essentially in the isomeric form anti.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.