Conclusions
Differential scanning calorimeter was used to determine the thermal stability, purity, melting point, and heat of melting of benzo-15-crown-5, dibenzo-18-crown-6, and dibenzo-24-crown-8. These crown ethers have relatively high heats of melting.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 691–692, March, 1986.
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Solov'ev, V.P., Govorkova, L.V. & Raevskii, O.A. Determination of the purity, melting point and heat of melting of cyclic polyethers. Russ Chem Bull 35, 632–633 (1986). https://doi.org/10.1007/BF00953245
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DOI: https://doi.org/10.1007/BF00953245