Geometrical isomerism of 2,4-dinitrophenylhydrazones of some pyruvic esters.

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概要

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• Visible, IR, and PMR spectra of 2,4-dinitrophenylhydrazones (DNPH) of some pyruvic esters were studied. It is suggested that each α-isomer with a higher <I>R</I><SUB>f</SUB>-value involves an intramolecular hydrogen bond between the imino hydrogen and the ester carbonyl group, to which the <I>Z</I>-structure is assigned. The <I>E</I>-structure is assigned to each β-isomer with a lower <I>R</I><SUB>f</SUB>-value.

• 公益社団法人 日本化学会の論文

著者

• Iwamoto Masayuki

  Department Of Mathematics Graduate School Of Science Kyoto University

• Ishibashi Fumihide

  Department of Chemistry

• Nashima Takeo

  Department Of Chemistry

• Aihara Yoko

  Department of Chemistry, Osaka Kyoiku University

• Anzai Sumiko

  Department of Chemistry, Osaka Kyoiku University

• Yamanoze Goro

  Department of Chemistry, Osaka Kyoiku University

• Iwamoto Masayuki

  Department of Chemistry, Osaka Kyoiku University

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