Abstract
The coupling of benzimidazolo[2′, 1′:2, 3]thiazolidin-4-one with benzenediazonium chlorides in acetic acid in the presence of sodium acetate at pH 4.5–4.0 has yielded 5-arylazo derivatives of the thiazolidone. By a study of the IR and UV spectra of the aryl derivatives of benzimidazolo[2′, 1′:2, 3]thiazolidin-4-one synthesized, it has been shown that the latter has the azo structure.
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Chizhevskaya, I.I., Zavadskaya, M.I. & Khovratovich, N.N. Synthesis and spectroscopic study of arylazo derivatives of benzimidazolo[2′, 1′:2, 3]thiazolidin-4-one. Chem Heterocycl Compd 4, 730–731 (1968). https://doi.org/10.1007/BF00486944
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DOI: https://doi.org/10.1007/BF00486944