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Paper | Regular issue | Vol 48, No. 4, 1998, pp.671-678
Published online, 1st January, 1970
DOI: 10.3987/COM-97-8048
A Simple Preparation of Some 4-Methyl-2H-pyran-2-ones

Vladimir Kepe, Slovenko Polanc, and Marijan Kočevar*

*Faculty of Chemistry and Chemical Technology, University of Ljubljana, Askerceva 5, P.O. Box 537, SLO-1000 Ljubljana, Slovenia

Abstract

A method for the preparation of substituted 4-methyl-2H-pyran-2-ones ( 6-19) starting from methyl ketones (1), N,N-dimethylacetamide dimethyl acetal (2) and N-acylglycines (4) in acetic anhydride is described.