Thermochemistry of Sesquiterpene Lactone 3,4β-Epoxyarglabin

Sh. B. Kasenova; A. S. Kishkentaeva; G. A. Atazhanova; B. K. Kasenov; Zh. I. Sagintaeva; S. M. Adekenov

doi:10.1134/S0036024418020115

Thermochemistry of Sesquiterpene Lactone 3,4β-Epoxyarglabin

作者: Kasenova S.B.¹, Kishkentaeva A.S.², Atazhanova G.A.², Kasenov B.K.², Sagintaeva Z.I.¹, Adekenov S.M.²
隶属关系:
1. Abishev Chemical and Metallurgical Institute
2. AO International Research and Production Holding Phytochemistry
期: 卷 92, 编号 2 (2018)
页面: 232-234
栏目: Chemical Thermodynamics and Thermochemistry
URL: https://bakhtiniada.ru/0036-0244/article/view/169884
DOI: https://doi.org/10.1134/S0036024418020115
ID: 169884

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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.