Conclusions
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1.
Certain 2-(4-pyridyl)ethyl aryl selenides and 2-(4-pyridyl)ethyl aryl sulfones have been synthesized and their characteristic constants determined.
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2.
The selenides show structures with trans and gauche C-Py and C-Se fragment orientations, the latter predominant; conformational equilibrium in the sulfones is displaced toward the form with gauche orientation.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 2012–2015, September, 1977.
The authors would like to thank A. N. Vereshchagin for valuable advice.
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Samarina, O.A., Abdullina, N.G., Ishmaeva, E.A. et al. Dipole moments and conformations of 2-(4-pyridyl) ethyl aryl selenides and 2-(4-pyridyl)ethyl aryl sulfones with two nonidentical geminal axes of internal rotation. Russ Chem Bull 26, 1861–1864 (1977). https://doi.org/10.1007/BF00924377
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DOI: https://doi.org/10.1007/BF00924377