1013402-51-1Relevant articles and documents
Five-membered 2,3-dioxo heterocycles: LXII. Reaction of 3-aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones with N,N′-dihydroxycyclohexane-1,2-diamine. Unusual rearrangement in the spiro[quinoxaline-2,2′-pyrrole] system
Mashevskaya,Aliev,Mazhukin,Popov,Tikhonov,Maslivets
experimental part, p. 1189 - 1193 (2009/09/29)
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones reacted with N,N′-dihydroxycyclohexane-1,2-diamine to give 3-aroyl-1′,4,4′- trihydroxy-1-(2-hydroxyphenyl)-4a′,5′,6′,7′,8′, 8a′-hexahydro-1′H-spiro[pyrrole-2,2′-quinoxaline]-3′, 5(1H,4′H)-diones whic