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Thermochemistry of Sesquiterpene Lactone 3,4β-Epoxyarglabin

  • Chemical Thermodynamics and Thermochemistry
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Abstract

The enthalpies of dissolution of 3,4β-epoxyarglabin C15H18O4 are measured via isothermal calorimetry at lactone: 96% ethanol molar ratios of 1: 6000, 1: 12000, 1: 24000 at 298.15 K. The standard enthalpy of dissolution of C15H18O4 in 96% ethanol is calculated from the obtained data; the value is 40.1 ± 0.4 kJ/mol. The enthalpies of combustion, melting, and formation of 3,4β-epoxyarglabin C15H18O4 are estimated by approximate means.

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Authors and Affiliations

  1. Abishev Chemical and Metallurgical Institute, Karaganda, 100009, Kazakhstan

    Sh. B. Kasenova & Zh. I. Sagintaeva

  2. AO International Research and Production Holding Phytochemistry, Karaganda, 100000, Kazakhstan

    A. S. Kishkentaeva, G. A. Atazhanova, B. K. Kasenov & S. M. Adekenov

Authors
  1. Sh. B. Kasenova
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  2. A. S. Kishkentaeva
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  3. G. A. Atazhanova
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  4. B. K. Kasenov
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  5. Zh. I. Sagintaeva
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  6. S. M. Adekenov
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Corresponding author

Correspondence to B. K. Kasenov.

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Kasenova, S.B., Kishkentaeva, A.S., Atazhanova, G.A. et al. Thermochemistry of Sesquiterpene Lactone 3,4β-Epoxyarglabin. Russ. J. Phys. Chem. 92, 232–234 (2018). https://doi.org/10.1134/S0036024418020115

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  • DOI: https://doi.org/10.1134/S0036024418020115

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