Process for preparing 4[[(benzoyl)amino]sulphonyl]benzoyl chlorides and preparation of acylsulphamoylbenzamides
US9725409B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Oct 7, 2014 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Oct 7, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C303/36
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for preparing 4-[[(benzoyl)amino]sulphonyl]benzoyl chlorides of the formula (II).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.