Enthalpies of dissolution of flavonoids in 96% ethanol at 25°C
作者： Sh. B. Kasenova , G. K. Mukusheva , B. K. Kasenov , Zh. I. Sagintaeva , P. Zh. Zhanymkhanova
DOI: 10.1134/S0036024415090162
关键词:
摘要: The enthalpies of dissolution pinostrobin hydrazone C16H16N2O3, (N-ethyl-2-(5-hydroxy-7-methoxy-2-phenylchroman-4-ylidene)hydrazino-1-carbothiamide) thiosemicarbazone C19H21N3O3S, salvigenine C18H16O6, and pinostrobin-2-(5-hydroxy-7-methoxy-2-phenylchroman-4-ylidene)-N-phenylhydrazino- 1-carbothiamide thiosemicarbazide C23H21N3O3S are measured on a DAK-I-IA calorimeter at flavonoid: ethanol molar ratios 1 : 9000, 18000, 36000. Their standard in 96% calculated from the obtained data. combustion, melting, formation estimated by approximate methods.
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