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New sulfones were synthesized; these are analogues of bis-(4-aminophenyl)sulfone (DDS) but contain, instead of one benzene nucleus, a heterocycle that is a pyrimidine, pyrazine or pyridazine nucleus.This was substituted with amine, methoxy, methyl groups or halogens in order to obtain long-acting drugs, similarly to those obtained in the field of sulfonamides.The synthesis was accomplished by reaction of sodium p-amino- or p-acetamidobenzenesulfinate with the corresponding halodiazine; only the p-aminophenyl 3-aminopyridazin-6-yl sulfone was obtained by acid hydrolysis.The compounds showed good antitubercular activity in vitro.
Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Recommanded Product: 17321-29-8. In my other articles, you can also check out more blogs about 17321-29-8
Reference：
Pyridazine – Wikipedia,
Pyridazine | C4H4N2546 – PubChem