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The 3-spiro-3ʹ,3ʹ-dimethyl-2ʹ-oxiranes of 5-benzylidene-2,4-dioxo-pyrrolidone, 5-benzyl-idene-2,4-dioxotetrahydrofuranone and 5-benzylidene-2,4-dioxotetrahydrothiophene yield the corresponding heterocyclic reductones (3 a-c) upon treatment with sulfuric acid. The tetramic acid reducton 3a can also be obtained by hydrolysis of the diazoniumsalt 5.
Keywords: Spiro-oxiranes; Retro-aldol Cleavage; Reductones
Received: 1979-12-19
Published Online: 2014-06-02
Published in Print: 1980-06-01
Citation Information: Zeitschrift für Naturforschung B, Volume 35, Issue 6, Pages 724–726, ISSN (Online) 1865-7117, ISSN (Print) 0932-0776, DOI: https://doi.org/10.1515/znb-1980-0617.
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0
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