Process for the production of mono-halothiophenols and thiophenols
US4288628A · kind A · utility
2Cited by
18References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 1979 |
| Grant date | Sep 8, 1981 |
| Priority date | — |
| Expiry date | Mar 8, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C319/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the production of a mono-halothiophenol, e.g. para-chlorothiophenol, and thiophenol. The process comprises reacting a reactant mixture of benzene and dihalobenzene, e.g. para-dichlorobenzene, with hydrogen sulfide in the presence of an absorptive catalyst, such as activated carbon, calcined petroleum coke, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.