403608-99-1Relevant articles and documents
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-phenylenealamines
Maslivets,Mashevskaya,Kol'tsova,Duvalov,Feshin
, p. 738 - 743 (2002)
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