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Five-Membered 2,3-Dioxo Heterocycles. XXXIX. Reaction of 4-Aroyl-1-aryl-5-methoxycarbonyl- and 1-Aryl-4-isopropyloxalo-5-phenyl-2,3-dihydropyrrole-2,3-diones with o-Phenylenediamine
Maslivets, A. N.,Smirnova, L. I.,Ivanenko, O. I.,Andreichikov, Yu. S.
, p. 563 - 568 (2007/10/03)
4-Aroyl-1-aryl-5-methoxycarbonyl- and 1-aryl-4-isopropyloxalo-5-phenyl-2,3-dihydropyrrole-2,3-diones react with p-phenylenediamine to give substituted 1,2,3,5,10,10a-hexahydropyrrolobenzodiazepine-2,3-diones.Hydrolysis of the latter yields 3-phenacylidene-1,2,3,4-tetrahydroquinoxalin-2-ones.
