Hindered internal rotation around the C-N bond in 1H-azepine derivatives as studied by the NMR techniques

Shuji Itoh, Yukihiro Yokoyama, Takashi Okumoto, Katsuhiro Saito, Kensuke Takahashi, Kyosuke Satake, Hiromi Takamuku, Masaru Kimura, Shiro Morosawa

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Abstract

Thermodynamical parameters for the restricted rotation of seven title derivatives have been obtained by means of DNMR techniques. The results were explained in terms of a conjugation of the nitrogen atom in the seven-membered ring with the adjacent carbonyl carbon.

Original languageEnglish
Pages (from-to)3162-3166
Number of pages5
JournalBulletin of the Chemical Society of Japan
Volume63
Issue number11
DOIs
Publication statusPublished - Nov 1 1990

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ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Itoh, S., Yokoyama, Y., Okumoto, T., Saito, K., Takahashi, K., Satake, K., Takamuku, H., Kimura, M., & Morosawa, S. (1990). Hindered internal rotation around the C-N bond in 1H-azepine derivatives as studied by the NMR techniques. Bulletin of the Chemical Society of Japan, 63(11), 3162-3166. https://doi.org/10.1246/bcsj.63.3162