Reactions of purine derivatives with phosphorus pentaoxide and triethylamine and their antitumor effects
β Scribed by H. H. Moharram; A. M. Osman
- Book ID
- 112914455
- Publisher
- Springer
- Year
- 1989
- Tongue
- English
- Weight
- 206 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0253-6269
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## Abstract The reactivity of bis(trifluoroacetyl)βphenols toward selected Ξ»^3^P derivatives was examined. In the case of dialkyl(isocyanato)phosphites, only one of both present trifluoracetyl moieties of substrate was involved. After addition of the phenolic OH moiety across the intermediary forme
## Abstract The kinetics and mechanism of reaction between hydroxymethyl derivatives of uric acid and oxiranes in the presence of triethylamine as catalyst was studied. The formation of polyetherols was inhibited in initial steps of the reaction. Two different mechanisms were established for the re