Helvetica Chimica Acta

Lävulinsäureanilid und 5??Hydroxy??5??methyl??1??phenyl??2??pyrrolidon

O Keller, V Prelog

文献索引：Keller; Prelog Helvetica Chimica Acta, 1971 , vol. 54, p. 2572,2577

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被引用次数: 12

摘要

Abstract The hitherto unknown tautomer of levulinic acid anilide (Ia), 5-hydroxy-5-methyl-1- phenyl-2-pyrrolidone (IIa), has been obtained by filtration of a chloroform solution of I a through acid ion-exchange columns. Ia and IIa show typical differences in NMR., IR. and MS.