NMR and Crystallographic Studies of a p-Sulfonatocalix[4] arene-Guest Complex

Seiji Shinkai, Koji Araki, Tsutomu Matsuda, Nobuaki Nishiyama, Hirotaka Ikeda, Isao Takasu, Masakazu Iwamoto

研究成果: ジャーナルへの寄稿記事

233 引用 (Scopus)

抄録

The 1H and 13C NMR spectra of a complex formed from tetrasodium p-sulfonatocalix[4]arene (I4) and trimelhylanilinium chloride (2) in D2O showed that 2 is bound to the cavity of cone-shaped I4: in the acidic pH region (pD 0.4) the phenyl moiety resides in the cavity, whereas in the neutral pH region (pD 7.3) both the trimethylammonium and the phenyl moiety are included nonspecifically in the cavity. The difference was accounted for by the change in the electron density in the benzene π-systems induced by the dissociation of OH groups. The complex was crystallized from acidic aqueous solution. The solid-state 13C NMR (CP-MAS) supports the inclusion of the phenyl moiety in the cavity. The X-ray crystallographic studies established that (i) 14 adopts a cone conformation, (ii) I4 and 2 form a host-guest-type complex with the phenyl moiety inserted into the cavity, (iii) not only the hydrophobic force but also the electrostatic force operates for guest inclusion, and (iv) the overall structure is similar to that of clays, I4 molecules being arranged into bilayers. These findings serve as a useful cross-link between solution complexes and solid-state complexes.

元の言語英語
ページ(範囲)9053-9058
ページ数6
ジャーナルJournal of the American Chemical Society
112
発行部数25
DOI
出版物ステータス出版済み - 1 1 1990

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Cones
Nuclear magnetic resonance
Electrostatic force
Benzene
Static Electricity
Carrier concentration
Conformations
Chlorides
Clay
X-Rays
Electrons
X rays
Molecules
p-sulfonatocalix(4)arene
Carbon-13 Magnetic Resonance Spectroscopy
clay
Proton Magnetic Resonance Spectroscopy

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

これを引用

Shinkai, S., Araki, K., Matsuda, T., Nishiyama, N., Ikeda, H., Takasu, I., & Iwamoto, M. (1990). NMR and Crystallographic Studies of a p-Sulfonatocalix[4] arene-Guest Complex. Journal of the American Chemical Society, 112(25), 9053-9058. https://doi.org/10.1021/ja00181a004

NMR and Crystallographic Studies of a p-Sulfonatocalix[4] arene-Guest Complex. / Shinkai, Seiji; Araki, Koji; Matsuda, Tsutomu; Nishiyama, Nobuaki; Ikeda, Hirotaka; Takasu, Isao; Iwamoto, Masakazu.

:: Journal of the American Chemical Society, 巻 112, 番号 25, 01.01.1990, p. 9053-9058.

研究成果: ジャーナルへの寄稿記事

Shinkai, S, Araki, K, Matsuda, T, Nishiyama, N, Ikeda, H, Takasu, I & Iwamoto, M 1990, 'NMR and Crystallographic Studies of a p-Sulfonatocalix[4] arene-Guest Complex', Journal of the American Chemical Society, 巻. 112, 番号 25, pp. 9053-9058. https://doi.org/10.1021/ja00181a004
Shinkai S, Araki K, Matsuda T, Nishiyama N, Ikeda H, Takasu I その他. NMR and Crystallographic Studies of a p-Sulfonatocalix[4] arene-Guest Complex. Journal of the American Chemical Society. 1990 1 1;112(25):9053-9058. https://doi.org/10.1021/ja00181a004
Shinkai, Seiji ; Araki, Koji ; Matsuda, Tsutomu ; Nishiyama, Nobuaki ; Ikeda, Hirotaka ; Takasu, Isao ; Iwamoto, Masakazu. / NMR and Crystallographic Studies of a p-Sulfonatocalix[4] arene-Guest Complex. :: Journal of the American Chemical Society. 1990 ; 巻 112, 番号 25. pp. 9053-9058.
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abstract = "The 1H and 13C NMR spectra of a complex formed from tetrasodium p-sulfonatocalix[4]arene (I4) and trimelhylanilinium chloride (2) in D2O showed that 2 is bound to the cavity of cone-shaped I4: in the acidic pH region (pD 0.4) the phenyl moiety resides in the cavity, whereas in the neutral pH region (pD 7.3) both the trimethylammonium and the phenyl moiety are included nonspecifically in the cavity. The difference was accounted for by the change in the electron density in the benzene π-systems induced by the dissociation of OH groups. The complex was crystallized from acidic aqueous solution. The solid-state 13C NMR (CP-MAS) supports the inclusion of the phenyl moiety in the cavity. The X-ray crystallographic studies established that (i) 14 adopts a cone conformation, (ii) I4 and 2 form a host-guest-type complex with the phenyl moiety inserted into the cavity, (iii) not only the hydrophobic force but also the electrostatic force operates for guest inclusion, and (iv) the overall structure is similar to that of clays, I4 molecules being arranged into bilayers. These findings serve as a useful cross-link between solution complexes and solid-state complexes.",
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