Thermochemistry of some cytisine derivatives |
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| Authors: | Sh. B. Kasenova Zh. K. Tukhmetova A. Zh. Abil’daeva I. M. Oskembekov B. K. Kasenov S. M. Adekenov S. D. Fazylov |
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| Affiliation: | (1) Fitokhimiya Research and Production Center, Joint-Stock Company, Ministry of Education and Science of the Republic of Kazakhstan, Karaganda, Kazakhstan;(2) Institute of Organic Synthesis and Coal Fuel Chemistry, Limited Liability Company, Karaganda, Kazakhstan |
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| Abstract: | The enthalpies of solution of cytisine derivatives (phosphoric acid cytiside dimethyl ester, cytisinovinyloxyethylaminothiourea) in 96% ethanol at various dilutions were determined by isothermal calorimetry. Equations describing the dependences ΔH s 0 = f(m 1/2) (m is the molal concentration) were obtained. The standard enthalpies of solution, combustion, melting, and formation (at 298.15 K) of the compounds were calculated. |
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