Preparation of alkanesulphonic acids by photooxidation of sulpher-containing derivatives
US5608103A · kind A · utility
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2References
9Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 29, 1995 |
| Grant date | Mar 4, 1997 |
| Priority date | — |
| Expiry date | Nov 29, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C303/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to the preparation of alkanesulphonic acids by photooxidation of sulphur-containing derivatives (thiols, sulphides, disulphides). The operation is carried out in solution in aqueous or alcoholic acetonitrile, with a light source irradiating between 200 and 400 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.