An Efficient Synthesis of 4,4-Disubstituted 5,6-Dihydro-3(4H)-pyridinone 1-Oxides by Thermal Cyclisation of Unsaturated 1,2-Hydroxyiminoketones
- 1 January 1988
- journal article
- research article
- Published by Georg Thieme Verlag KG in Synthesis
- Vol. 1988 (12) , 997-999
- https://doi.org/10.1055/s-1988-27784
Abstract
3,3-Disubstituted 1,2-hydroxyiminoketones 6 with the hydroxyimino group distal and δ,ε to an olefinic bond undergo thermal cyclisation to produce high yields of 4,4-disubstituted 5,6-dihydro-3(4H)-pyridinone 1-oxides 7.Keywords
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