Acylaminoacetyl derivatives of active methylene compounds. 2. The cyclization of the acetylaminoacetyl derivatives to α??substituted tetramic acids and the formation of …

O Igglessi??Markopoulou…

Index: Igglessi-Markopoulou, Olga; Sandris, Constantine Journal of Heterocyclic Chemistry, 1985 , vol. 22, p. 1599 - 1606

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Citation Number: 19

Abstract

Abstract The reaction of aceturic acid p-nitrophenyl ester with active methylene compounds Y-CH 2-CO 2 R has been found to give either the normally expected C-acylation compounds 2 (Y=-CN,-CO 2 R,-COCH 3) or N-acetyl-α-Y-substituted tetramic acids 3 (Y=-CO 2 R,- ...