Five-Membered 2, 3-Dioxo Heterocycles: XLIV. Reaction of 3-Aroyl-1, 2, 4, 5-tetrahydropyrrolo [1, 2-a]-quinoxaline-1, 2, 4-triones with o-Phenylenediamines

AN Maslivets, IV Mashevskaya, SV Kol'tsova…

Index: Maslivets; Mashevskaya; Kol'tsova; Duvalov; Feshin Russian Journal of Organic Chemistry, 2002 , vol. 38, # 5 p. 738 - 743

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Citation Number: 9

Abstract

Abstract The reaction of (Z)-3-phenacylidene-1, 2, 3, 4-tetrahydroquinoxalin-2-ones with oxalyl chloride gives 3-aroyl-1, 2, 4, 5-tetrahydropyrrolo [1, 2-a] quinoxaline-1, 2, 4-triones which react with o-phenylenediamine to afford 8-aryl-6, 7, 9, 14, 15, 16- hexahydroquinoxalino [1, 2-a] pyrrolo [2, 3-b][1, 5] benzodiazepine-6, 7, 15-triones.