Approach to Polysubstituted 4‑Pyridones from N‑Aryl Acetoacetamides via a N to C 1,3-Acyl Migration Mediated by Sodium Persulfate
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Mediated by sodium persulfate (Na2S2O8), a series of polysubstituted 4-pyridones were synthesized via self-condensation of N-aryl acetoacetamides, during which a novel N to C 1,3-acyl migration should be involved. The structure of 4-pyridone was unequivocally confirmed by X-ray diffraction analysis. However, the self-condensation of N-benzyl acetoacetamides under the same condition gave polysubstituted 2-pyridones instead of 4-pyridones.
创建时间：
2016-02-20
