Chemistry of acyl(imidoyl)ketenes. 7. Synthesis and thermolysis of 5-aryl-4-quinoxalinyl-2,3-dihydrofuran-2,3-diones |
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| Authors: | Maslivets A N Lisovenko N Yu Krasnykh O P Tarasova O P Aliev Z G Atovmyan L O |
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| Institution: | (1) Perm State University, 15 ul. Bukireva, 614000 Perm, Russian Federation;(2) Russian Academy of Sciences, Institute of Problems of Chemical Physics, 14 Institutskii prosp., 142432 Chernogolovka, Moscow Region, Russian Federation;(3) Russian Academy of Sciences, Institute of Problems of Chemical Physics, 14 Institutskii prosp., 142432 Chernogolovka, Moscow Region, Russian Federation |
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| Abstract: | 3-Aryl-Z-2-aroylmethylidene-1,2-dihydroquinoxalines react with oxalyl chloride to form 3-aryl-2-(2-aryl-4,5-dioxo-4,5-dihydro-3-furyl)quinoxalines, whose thermal decarbonylation generate 5-aryl-2-3(arylquinoxalin-2-yl)-4-aroyl-3-aroyloxy-1H-pyrido1,2-a]quinoxalin-1-ones. The crystal and molecular structures of one of them (Ar = Ph) were established by X-ray diffraction analysis. |
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| Keywords: | 2 3-dihydrofuran-2 3-diones aroyl(imidoyl)ketene cycloaddition crystal structure molecular structure X-ray diffraction analysis |
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