Exotic Amino Acids. 8. Synthesis of Monomethyl Esters of N-Arylaminomethylenemalonic Acids

…, I Ravina, Z Tetere, I Rijkure, M Petrova…

Index: Zicane; Ravina; Tetere; Rijkure; Petrova; Kalejs Chemistry of Heterocyclic Compounds, 2002 , vol. 38, # 7 p. 840 - 845

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Abstract

Abstract N-Arylaminomethyleneisopropylidenemalonates, obtained from ethoxymethyleneisopropylidenemalonate and aromatic amines, underwent methanolysis to form monomethyl esters of N-arylaminomethylenemalonic acids. The conditions of their formation and their yields depend on the nature and positions of the substituents in the aromatic ring of the initial amine.