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Reactions of 4,7-dibromo[1,2,5]thiadiazolo[3,4-d]pyridazine with alcohols

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Abstract

The reaction of 4,7-dibromo[1,2,5]thiadiazolo[3,4-d]pyridazine with alcohols and sodium alkoxides was evaluated under various conditions. Depending on the reaction conditions, either alkoxy or hydroxy derivatives of [1,2,5]thiadiazolo[3,4-d]pyridazine can be obtained. 4,7-Di-(dodecyloxy)- and 4,7-di(hexyloxy)[1,2,5]thiadiazolo[3,4-d]pyridazines, which may be of interest as the compounds exhibiting liquid crystalline properties, were synthesized for the first time.

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Correspondence to O. A. Rakitin.

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This work was financially supported by the Russian Foundation for Basic Research (Project No. 18-33-00106 mol_a).

T. N. Chmovzh is grateful to the South Ural State University for the financial support.

Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2167—2170, November, 2020.

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Chmovzh, T.N., Knyazeva, E.A., Krukovskaya, N.V. et al. Reactions of 4,7-dibromo[1,2,5]thiadiazolo[3,4-d]pyridazine with alcohols. Russ Chem Bull 69, 2167–2170 (2020). https://doi.org/10.1007/s11172-020-3017-y

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  • DOI: https://doi.org/10.1007/s11172-020-3017-y

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