Reaction of quinoxaline with benzopyridines in acetic anhydrides in the presence of Zn dust |
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Authors: | Sheinkman A. K. Lopatinskaya Kh. Ya. Terent'ev P. B. |
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Affiliation: | (1) Dniepropetrovsk Engineering-Construction Institute, 320361 Dniepropetrovsk;(2) Institute of Physicoorganic Chemistry and Academy of Sciences of the Ukrainian SSR, 340114 Donetsk |
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Abstract: | The reaction between quinoxaline and benzopyridine in acetic anhydride in the presence of zinc dust gives a quinoxaline anion and a benzopyridine N-acetyl radical, which recombine to give the previously unknown N-acetyl dihydrobenzo-pyridine derivative of 1,2-dihydroquinoxaline. Under these conditions, quinoxaline alone gives 1,4-diacetyl-1,4-dihydroquinoxaline and 1-acetyl-2-(1,2-dihydroquinoxalyl-2)-1,2-dihydroquinoxaline.Previous communication, [1].Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 967–973, July, 1985. |
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