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• W2066548618 endingPage "2790" @default.
• W2066548618 startingPage "2781" @default.
• W2066548618 abstract "The reaction of the sodium salt of 2-acylmethyl-4,4-dimethyl-2-oxazolines with α,β-acetylenic ketones in ethanol gave Michael adducts, which were easily transformed to 4,6-disubstituted 3-acyl-1-(2-hydroxy-1,1-dimethylethyl)-2-pyridones by silica gel. N-Dealkylation of the pyridones was performed using hydrochloric acid in good yields. Deacylation of the pyridones was performed using potassium hydroxide. A mild treatment of the pyridones with bases or silica gel gave 7-oxa-1-azabicyclo[4.3.0]non-3-en-2-one derivatives via intramolecular Michael addition. A similar reaction of 2-phenacyl-2-oxazoline with diphenylpropynone gave the corresponding 1-(2-hydroxyethyl)-2-pyridone derivative, which was inert against these 1-dealkylation, 3-deacylation, and intramolecular addition reactions." @default.
• W2066548618 created "2016-06-24" @default.
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• W2066548618 date "1997-11-01" @default.
• W2066548618 modified "2023-10-10" @default.
• W2066548618 title "Synthesis via 2-Acylmethyl-2-oxazoline. I. A Novel Synthesis of 3-Acyl-2-pyridones by Michael Addition of 2-Acylmethyl-2-oxazoline to<i>α</i>,<i>β</i>-Acetylenic Ketones" @default.
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• W2066548618 doi "https://doi.org/10.1246/bcsj.70.2781" @default.
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