Conclusions
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1.
The conformation of unsaturated aromatic compounds was determined by a refractometric method.
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2.
The effectiveness of conjugation and the angle of rotation between the vinyl group and the aromatic system were estimated quantitatively in ortho-,α-, andβ-alkyl derivatives of styrene, as well as in di-, tri-, and tetraphenylethylenes and their alkyl derivatives.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 1968–1972, September, 1973.
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Zaitsev, B.A. Determination of the conformations of certain unsaturated aromatic hydrocarbons by a refractometric method. Russ Chem Bull 22, 1917–1921 (1973). https://doi.org/10.1007/BF00929375
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DOI: https://doi.org/10.1007/BF00929375