Thiophene synthesis
US5726326A · kind A · utility
2Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1996 |
| Grant date | Mar 10, 1998 |
| Priority date | — |
| Expiry date | Jun 24, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method of preparing a thiophene comprises reacting an organic compound containing a chain of at least 4 C atoms linked by single or double bonds with a source of sulphur in the vapor phase, in the presence of a supported catalyst, the catalyst having the composition EQU (Fe.sub.0-1 M.sub.1-0)O.sub.n wherein M is a metal of Group VA, VIA or VIIA; and n is an appropriate value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.