Abstract
The formation of the most widely used antithyroid drug in the world, 1-methyl-1H-imidazole-2(3H)-thione (methimazole or thiamazole), by the reduction of 4,5-dihydroxy-1-methylimidazolidine-2-thione (1-Me-DHIT) with 1-methylthiourea or by the reaction of 1-methylthiourea excess and glyoxal were studied. A new method for the synthesis of methimazole from available reagents, 1-Me-DHIT and 1-methylthiourea, was proposed.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, Vol. 72, No. 8, pp. 1946–1949, August, 2023.
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Baranov, V.V., Galochkin, A.A. & Kravchenko, A.N. A novel approach to the synthesis of methimazole. Russ Chem Bull 72, 1946–1949 (2023). https://doi.org/10.1007/s11172-023-3983-y
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DOI: https://doi.org/10.1007/s11172-023-3983-y