A convenient method for the synthesis of 2,3-dioxo-1,2,3,4-tetrahydroquinoxalines |
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Authors: | A. V. Vlaskina V. P. Perevalov |
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Affiliation: | (1) D. I. Mendeleev Russian University of Chemical Technology, Moscow, 125047, Russia |
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Abstract: | A method for the synthesis of substituted 2,3-dioxo-1,2,3,4-tetrahydroquinoxalines by the reduction of substituted (o-nitrophenyl)glycines with subsequent oxidation of the 2-oxo-1,2,3,4-tetrahydroquinoxaline products has been developed. When tin(II) chloride was used as the reducing agent a chlorine atom was introduced ortho to the NHC(O) fragment of the heterocycle. __________ Translated from Khimiya Geterotsikicheskikh Soedinenii, No. 8, 1206–1210, August, 2006. |
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Keywords: | 2,3-dioxo-1,2,3,4-tetrahydroquinoxaline-5-carboxylic acid 2,3-dioxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylic acid substituted (o-nitrophenyl)glycine reductive cyclization |
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