This microreview discusses the latest examples (2012–2022) of the synthesis of pyrazolo[3,4-d]-thiazoles, pyrazolo[4,3-d]thiazoles, pyrazolo[4,3-b][1,4]thiazines, and pyrazolo[3,4-b][1,4]-thiazines via two main approaches: annulation of the pyrazole ring to the thiazole or thiazine ring and, conversely, annulation of the thiazole or thiazine ring to the pyrazole ring.
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This work was supported by the Ministry of Science and Higher Education of the Russian Federation in the framework of the State assignment in the field of scientific activity No. FENW_2023-0020.
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Published in Khimiya Geterotsiklicheskikh Soedinenii, 2023, 59(9/10), 643–645
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Khodykina, E.S., Kolodina, A.A. Recent methods for the synthesis of fused pyrazolo[3,4(4,3)-d]thiazoles and pyrazolo[3,4(4,3)-d][1,4]thiazines (microreview). Chem Heterocycl Comp 59, 643–645 (2023). https://doi.org/10.1007/s10593-023-03249-0
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DOI: https://doi.org/10.1007/s10593-023-03249-0