Issue 12, 2001
From the journal:

Journal of the Chemical Society, Perkin Transactions 2

Remarkable changes in conformations of n-alkanes with their carbon numbers and aromatic solvents

Kunio Nikki,*a   Hideki Inakura,a   Wu-Le,a   Noboru Suzukia  and  Tadashi Endob  

* Corresponding authors

a Department of Applied Physics and Chemistry, The University of Electro-Communications, Chofugaoka, Chofu-shi, Tokyo 182-8585, Japan

b Department of Chemistry, College of Science and Engineering, Aoyama Gakuin University, Chitosedai, Setagaya-ku, Tokyo 157-8572, Japan

Abstract

Based on magnetic anisotropy in NMR, it is found that preferred conformations of n-alkanes in aromatic solvents (C6D6 and 1-chloronaphthalene) are dependent both on their carbon numbers and on the solvents used. A short-chain alkane, hexane, tends to adopt extended conformations in both C6D6 and 1-chloronaphthalene. In contrast, a long-chain alkane, dodecane, in 1-chloronaphthalene prefers to take open conformations, though in C6D6 taking U-shaped conformations. A ‘conformational change model’ is proposed on the basis of the NMR results.

Graphical abstract: Remarkable changes in conformations of n-alkanes with their carbon numbers and aromatic solvents

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Article information

DOI
https://doi.org/10.1039/B008331N
Article type
Paper
Submitted
16 Oct 2000
Accepted
30 Oct 2001
First published
19 Nov 2001

J. Chem. Soc., Perkin Trans. 2, 2001, 2370-2373

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Remarkable changes in conformations of n-alkanes with their carbon numbers and aromatic solvents

K. Nikki, H. Inakura, Wu-Le, N. Suzuki and T. Endo, J. Chem. Soc., Perkin Trans. 2, 2001, 2370 DOI: 10.1039/B008331N

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