Process for preparation of aromatic thiol esters
US5071992A · kind A · utility
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20Claims
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Key dates
| Filing date | Dec 7, 1990 |
| Grant date | Dec 10, 1991 |
| Priority date | — |
| Expiry date | Dec 7, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/83
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing an aromatic thiolester by mixing an alkyl or aryl thiol with an alkali metal hydroxide aqueous solution and, in the presence of a phase transfer catalyst, reacting it with an aromatic acid halide. Diacid halides may be used to produce bisthiol esters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.