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Liquid Crystals and their Application
Russian Journal Zhidkie kristally i ikh prakticheskoe ispol'zovanie Жидкие кристаллы и их практическое использование |
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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2011, 2, 42—51. |
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Cyano-, Formylazo- and Azoxybenzenes Structure Research by High Resolution NMR Spectroscopy
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I. S. Lonin1, V. F. Chuvaev1, S. A. Syrbu2,4, S. A. Kuvshinova3, B. A. Burmistrov3, A. A. Syrbu4
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Author affiliations
1
Russian Academy of Science
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry
119991 Leninskiy prospekt, 31, Moscow, Russia
2
Ivanovo State University,
153025 Ivanovo, Ermak Str., 39
E-mail: syrbue@yandex.ru
3
Ivanovo State University of Chemistry and Technology
153000 Ivanovo, Av. F. Engel’s, 7.
4
Ivanovo Institute of the State Fire Service
Stroitelei pr. 33, Ivanovo, 153040 Russia
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Abstract
The structure and the isomerism of homologous series such as 4-(ω-hydroxy)alkyloxy-4'-cyanazoxybenzene, 4-(ω-hydroxy)alkyloxy-4'-cyanazobenzene, 4-oktyloxy-4'-cyanazoxy-benzene, 4-(ω-hydroxy)hexyloxy-4'-formylazobenzene were studied by one-dimensional and two- dimensional NMR spectroscopy. The isomer azoxybenzene structure was established by two-dimensional correlation NMR spectroscopy methods, in particular, 1Н, 15N-HMBC experiment.
Keywords: azobenzenes, azoxybenzenes, position isomers, cyano group, formyl group, one-dimensional and two-dimensional NMR spectroscopy
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