4-(3-Dialkylamino-2, 5-dioxopyrrolidin-1-yl) benzoic acid esters

OA Kolyamshin, VA Danilov, NI Kol'tsov

Index: Kolyamshin; Danilov; Kol'Tsov Russian Journal of Organic Chemistry, 2007 , vol. 43, # 3 p. 393 - 396

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Citation Number: 5

Abstract

Abstract Reactions of alkyl 4-aminobenzoates with maleic anhydride give the corresponding alkyl 4-(2, 5-dioxo-2, 5-dihydro-1 H-pyrrol-1-yl) benzoates, and the latter are converted into 4- (3-dialkylamino-2, 5-dioxo-2, 3, 4, 5-tetrahydro-1 H-pyrrol-1-yl) benzoates by treatment with secondary amines.