Process for the preparation of perhaloalkylthioethers
US5283337A · kind A · utility
13Cited by
2References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1991 |
| Grant date | Feb 1, 1994 |
| Priority date | — |
| Expiry date | Nov 8, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C319/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of perhaloalkylthioethers by bringing a perhaloalkyl halide, preferably a bromide or an iodide, into contact with a disulphide in the presence of zinc and of sulphur dioxide or of a dithionite or of a hydroxymethanesulphinate or of a formate anion and sulphur dioxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.