A proton magnetic besonance study of the molecular configurations of 2',5'-dichloroacetoacetanilide in various solvents.

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概要

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• It has been found by <SUP>1</SUP>H NMR spectroscopy that 2′,5′-dichloroactoacetanilide (<B>1</B>) exists predominantly in the <I>keto</I> form containing an intramolecular hydrogen bond between the amide proton and the carbonyl oxygen at the γ-position in chloroform solutions. In pyridine, the line broadening of signals suggests a rapid interconversion between the <I>keto</I> and <I>enol</I> forms. Configurations of the <I>enol</I> form are discussed.

• 公益社団法人 日本化学会の論文

著者

• KONDO Michio

  Central Research Laboratories, Sankyo Co.

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• A proton magnetic besonance study of the molecular configurations of 2',5'-dichloroacetoacetanilide in various solvents.

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