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Beilstein J. Org. Chem. 2025, 21, 348–357, doi:10.3762/bjoc.21.25
Graphical Abstract
Figure 1: An overview of previously synthesized 1,2-benzothiazines [36-39].
Scheme 1: General scheme for the synthesis of pyrazolo-1,2-benzothiazine-N-aryl/benzyl/cyclohexylacetamide.
Figure 2: An example of contrasting 1H NMR signals for monoalkylated (7a) and dialkylated (7l) derivatives, (...