Abstract
Hydroxyethylation of 2-aminobenzothiazoles by ethylene chlorohydrin unexpectedly led to preferential formation of 3-β-chloroethylbenzothiazolin-2-one. In the case of unsubstituted 2-aminobenzothiazole, we also isolated the target 2-indno-3-β-hydroxyethylbenzothiazoline and bis((3-/3-hydroxyethyl)benzothiazolyl-2-indenelamnionium chloride. As a result of reaction of 2-aminobenzothiazole with 3-β-chloroethylbenzothiazolin-2-one, we obtained 2-(benzothiazolyl-2-imino)-3-(β-(2-oxobenzothiazolin-3-yl)ethyllbenzothiazoline. The structure ofthesynthesized compounds was established based on x-ray diffraction, PMR, IR, UV, and mass spectra.
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Institute of the Chemistry of Plant Compounds, Academy of Sciences of the Uzbekistan Republic, Tashkent 700170. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1273–1278, September, 1996. Original article submitted March 19, 1996.
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Makhmudov, M.K., Ambartsumova, R.F. & Tashkhodzhaev, B. Reactions of 2-aminobenzothiazoles with ethylene chlorohydrin. molecular and crystal structure of bis[(3-β-hydroxyethyl)benzo-thiazolyl-2-indene]ammonium chloride. Chem Heterocycl Compd 32, 1095–1099 (1996). https://doi.org/10.1007/BF01164719
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DOI: https://doi.org/10.1007/BF01164719