O. A. Kolyamshin, V. Danilov, N. I. Kol’tsov
Mar 1, 2007
Citations
0
Influential Citations
9
Citations
Journal
Russian Journal of Organic Chemistry
Abstract
Reactions of alkyl 4-aminobenzoates with maleic anhydride give the corresponding alkyl 4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoates, and the latter are converted into 4-(3-dialkylamino-2,5-dioxo-2,3,4,5-tetrahydro-1H-pyrrol-1-yl)benzoates by treatment with secondary amines.