1, 5-Diaryl-2, 3-pyrrolidinediones. XII. Enamines and the Pseudo-pyrrolidinediones1, 2

WR Vaughan, RC Tripp

Index: Vaughan; Tripp Journal of the American Chemical Society, 1960 , vol. 82, p. 4370,4373

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Citation Number: 20

Abstract

The reaction between pseudo-1, 5-diaryl-2, 3-pyrrolidinediones (3-arylamino-5-aryl-2 (5H)- furanones) and aromatic amines may involve simple amine exchange or transformation to the enamine of a true 1, 5-diaryl-2, 3-pyrrolidinedione The product of the reaction betwcen o- phenylenediamine and either 3-phenylamino-5-phenyl-2 (5H)-furanone or benzylidenepyruvic acid is 2-phenyl-2, 3-dihydrofuro [2 3-blquinoxaline. An alternative ...