Preparation of 2,5-dihydrofurans from butadiene monoxides
US3996248A · kind A · utility
9Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1975 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Nov 17, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/28
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing a substituted or unsubstituted dihydrofuran from a substituted or unsubstituted butadiene monoxide which comprises contacting the butadiene monoxide with a catalyst comprising a hydrogen halide selected from the group consisting of hydrogen iodide or bromide and a Lewis acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.