Thermochemistry of Lappaconitine Hydrobromide and Its Analogues |
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| Authors: | Kasenov B K Tukhmetova Zh K Turmukhambetov A Zh Kasenova Sh B Mustafin E S Adekenov S M Krichevskii L A |
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| Institution: | (1) Institute of Phytochemistry, Ministry of Education and Science of the Republic of Kazakhstan, Karaganda, Kazakhstan |
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| Abstract: | Isothermal calorimetry was applied to study the heats of dissolution of lappaconitine hydrobromide at varied dilution. The data obtained were used to calculate the standard enthalpy of dissolution of C32H44N2O8 · HBr in an infinitely diluted (standard) aqueous solution. The heats of combustion and melting of C32H44N2O8 · HBr were calculated using approximate methods. A combination of experimental and calculation techniques was used to find the standard heats of formation of lappaconitine hydrobromide and its 33 analogues. |
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