35337-99-6NS(=O)(=O)c1cc(Cl)cc(Cl)c1OZJLNEJARVJZSHY-UHFFFAOYSA-N35337-99-6DTXSID50303937CHEMBL2324869Description3,5-dichloro-2-hydroxy-benzenesulfonamide is obtained from the chlorosulfonation of 2,4-dichlorophenol and conversion with ammonia or NH4Cl. It can be used as a precursor to synthesize some 2-hydroxybenzenesulfonamides that are poorly accessible by other routes, by dehalogenation with H2 and Pd/C catalyst.
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