Conclusions
Optical immersion analysis permits the facile and rapid identification of the cis and trans isomers of dinitro- and diaminodibenzo-18-crown-6 as pure compounds and in mixtures.
Literature cited
V. A. Popova, I. V. Podgornaya, I. Ya. Postovskii, and N. N. Frolov, Khim.-Farm. Zh.,10, No. 6, 66 (1976).
W. M. Feigenbaum and R. H. Miche, J. Polym. Sci.,9, No. 3, 817 (1971).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 2110–2111, September, 1987.
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Podgornaya, I.V., Glazyrin, M.P., Popova, V.A. et al. Some optical properties of dibenzo-18-crown-6 derivatives. Russ Chem Bull 36, 1960–1962 (1987). https://doi.org/10.1007/BF00958358
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DOI: https://doi.org/10.1007/BF00958358