A Novel Oxidative Rearrangement of 6-Methoxypyran-2-ones.
β Scribed by Serena J. Eade; Robert M. Adlington; Andrew R. Cowley; Magnus W. Walter; Jack E. Baldwin
- Publisher
- John Wiley and Sons
- Year
- 2006
- Weight
- 26 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0931-7597
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A novel rearrangement of 2(SH)-furanones is described. When refluxed in aq. ethanolic solution in the presence of excess KOH, the 2,5-dihydro-2-oxofuran-3-carboxamides 6 underwent a novel rearrangement to the corresponding 4,5-dihydro-4-oxo-2-(phenylamino)-3-furancarboxylic acids 1 in moderate-to-ex