Synthesis of 3-(6-R-Benzothiazol-2-yl)-4-methyl-1,2,5-oxadiazoles |
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Authors: | V N Britsun A N Borisevich L S Samoilenko M O Lozinskii |
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Institution: | (1) Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Kiev, 02094, Ukraine |
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Abstract: | The nitrosation of N-aryl-3-oxobutanethioamides afforded 1-(6-R-benzothiasol-2-yl)-1-hydroxyimino-2-propanones that at oximation with hydroxylamine were converted into 1-(6-R-benzothiazol-2-yl)-1,2-dihydroxyiminopropanes. The latter were dehydrated by heating with succinic anhydride at 140°C yielding therewith 3-(6-R-benzothiazol-2-yl)-4-methyl-1,2,5-oxadiazoles.__________Translated from Zhurnal Organicheskoi Khimii, Vol. 41, No. 5, 2005, pp. 759–761.Original Russian Text Copyright © 2005 by Britsun, Borisevich, Samoilenko, Lozinskii. |
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