Process for the preparation of perhaloalkylthioethers
US5082945A · kind A · utility
14Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1989 |
| Grant date | Jan 21, 1992 |
| Priority date | — |
| Expiry date | Dec 12, 2009 |
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.