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Calorimetric study of the interaction of calcium salts with some benzo-crown ethers

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The introduction of benzene rings into the macrocyclic skeleton of 12-crown-4 and 15-crown-5 ethers leads to a significant decrease in the complex forming ability of the resulting benzoligands with Ca salts, whereby in the case of the first ether a 1:2 complex is formed besides the complex with a Ca:L ratio of 1:1.

  2. 2.

    It has been shown that the anion of the Ca salt has a significant influence on its complex formation with the crown ethers. In distinction from CaCl2 and Ca(SCN)2 the heats of complex formation of Ca(NO3)2 with the investigated benzo-crown ethers could not be determined.

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Authors and Affiliations

  1. Institute of Physiologically Active Substances, Academy of Sciences of the USSR, Chernogolovka

    V. P. Solov'ev, E. A. Vnuk & O. A. Raevskii

Authors
  1. V. P. Solov'ev
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  2. E. A. Vnuk
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  3. O. A. Raevskii
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 776–779, April, 1988.

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Solov'ev, V.P., Vnuk, E.A. & Raevskii, O.A. Calorimetric study of the interaction of calcium salts with some benzo-crown ethers. Russ Chem Bull 37, 660–662 (1988). https://doi.org/10.1007/BF01455471

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  • DOI: https://doi.org/10.1007/BF01455471

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