Acid-Base Equilibrium of 5-Methoxy-6-methyluracil in Solutions: Evaluation of Content of Anionic Forms in Aqueous Alkaline Solution

S. F. Petrova; T. R. Nugumanov; L. V. Spirikhin; Yu. I. Murinov; S. P. Ivanov

doi:10.1134/S107036321806004X

Acid-Base Equilibrium of 5-Methoxy-6-methyluracil in Solutions: Evaluation of Content of Anionic Forms in Aqueous Alkaline Solution

作者: Petrova S.¹, Nugumanov T.¹, Spirikhin L.¹, Murinov Y.¹, Ivanov S.¹
隶属关系:
1. Ufa Institute of Chemistry
期: 卷 88, 编号 6 (2018)
页面: 1076-1080
栏目: Article
URL: https://journals.rcsi.science/1070-3632/article/view/222229
DOI: https://doi.org/10.1134/S107036321806004X
ID: 222229

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Dissociation constants of 5-methoxy-6-methyluracil, 5-methoxy-1,6-dimethyluracil and 5-methoxy-3,6-dimethyluracil in water are determined. Basing on the obtained рK_а1 values, the content of anions in aqueous alkaline solution of 5-methoxy-6-methyluracil was calculated. The results were confirmed by the use of model compounds: 5-methoxy-1,6-dimethyluracil and 5-methoxy-3,6-dimethyluracil using the NMR spectroscopy.