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Beilstein J. Org. Chem. 2022, 18, 738–745, doi:10.3762/bjoc.18.74
Graphical Abstract
Scheme 1: Approaches to the synthesis of alkyl 4-oxo-1,4-dihydropyridine-3-carboxylates.
Scheme 2: Synthesis of 4-oxo-1,4-dihydropyridine-3-carboxylates.
Scheme 3: Synthesis of Isoxazoles 11–13.
Scheme 4: Synthesis of isoxazoles 1.
Scheme 5: Synthesis of pyridones 2.
Scheme 6: Transformations of pyridones 2.