Beilstein Arch. 2020, 202073. https://doi.org/10.3762/bxiv.2020.73.v1
Published 16 Jun 2020
2H‑1,2,3‑Benzothiadiazine 1,1-dioxides are a class of compounds of pharmacological interest. After earlier studies carried out at our laboratory on various transformations (alkylation, acylation, reduction) at the hetero ring, the present manuscript focuses on the transformation of substituents at the aromatic carbocycle, including nucleophilic substitution of chlorine atoms and demethylation of the methoxy group with amines. The new methods described here allow the introduction of versatile functional groups on the aromatic ring, making these compounds useful building blocks for organic and medicinal chemistry applications.
Keywords: 2H-1,2,3-benzothiadiazine 1,1-dioxide; SNAr; amination; demethylation; debenzylation; NMR
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Gyűjtő, I.; Porcs-Makkay, M.; Várda, E. F.; Pusztai, G.; Tóth, G.; Simig, G.; Volk, B. Beilstein Arch. 2020, 202073. doi:10.3762/bxiv.2020.73.v1
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