Conclusions
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1.
The possibility of using the Dieckmann condensation to obtain chlorosubstituted 2-(4″-dimethylaminophenyl)indan-1,3-diones has been shown.
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2.
We have discovered thermochromic behavior in the chlorosubstituted dimers which we obtained.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 151–155, January, 1985.
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Nikulin, V.I., Pisarenko, L.M. Chlorine substituted 2-(4′-dimethylaminophenyl)indan-1,3-diones and their dimers. Russ Chem Bull 34, 141–144 (1985). https://doi.org/10.1007/BF01157342
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DOI: https://doi.org/10.1007/BF01157342