Infrared Spectra of Conjugated Amides: Reassignment of the C=0 and C=C Absorptions

Norio Nakamura, Fumiyuki Kiuchi, Yoshisuke Tsuda

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Inspections of the infrared spectra of more than twenty tertiary and secondary amides and acid-induced shift experiments clarified that, in open chain amides, the carbonyl absorption shifts to lower frequency by 10—20 cm-1when a conjugation is introduced and that, among the plural absorptions at 1600—1700 cm-1in conjugated amides, the lowest absorption (usually the most intense one) should be attributable to the C = O and the higher absorptions are assignable to the C=C.

本文言語English
ページ(範囲)2647-2651
ページ数5
ジャーナルChemical and Pharmaceutical Bulletin
36
7
DOI
出版ステータスPublished - 1988
外部発表はい

ASJC Scopus subject areas

  • 化学 (全般)
  • 創薬

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