Abstract
A series of 2-(2-aminothiazol-5-yl)-3,6-dichloro-5-diethylaminoethenyl-1,4-benzoquinones was synthesized from 2-(2-aminothiazol-5-yl)-3,5,6-trichloro-1,4-benzoquinones using acetaldehyde and diethylamine in toluene solution. Refluxing these compounds with substituted thioureas in acetonitrile in the presence of hydrochloric acid gives the corresponding 2,5-bis(2-aminothiazol-5-yl)-3,6-dichlorohydroquinones which can be oxidized to the target products with ferric chloride in aqueous DMF.
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Riga Technical University, Riga LV-1048, Latvia
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 835–839, June, 2000
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Batenko, N.G., Valters, R. & Karlivans, G. Synthesis of 2,5-bis(2-aminothiazol-5-yl)-3,6-dichloro-1,4-benzoquinones. Chem Heterocycl Compd 36, 733–737 (2000). https://doi.org/10.1007/BF02297684
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DOI: https://doi.org/10.1007/BF02297684