Continuous process for the manufacture of 2,5-dihydrofurans from .gamma., .delta.-epoxybutenes
US5315019A · kind A · utility
15Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 1992 |
| Grant date | May 24, 1994 |
| Priority date | — |
| Expiry date | Oct 19, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2231/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a continuous process for the manufacture of 2,5-dihydrofurans by the isomerization of .gamma.,.delta.-epoxyalkenes in the liquid phase in the presence of a catalyst system comprising an onium iodide compound and a Lewis acid and a process solvent comprising a mixture of the 2,5-dihydrofuran product of the process and an oligomer of the .gamma.,.delta.-epoxyalkenes reactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.