Abstract
In the paper a synthetic two stage procedure is described for the preparation of perfluoroalkylated derivatives of uracil and its nucleosides. Using copper bronze a perfluoroalkyl-copper-complex is formed from perfluoralkyl iodides in polar aprotic solvents, such as DMSO, and under inert conditions. The reaction of this complex with uracil, uridine and 2-deoxyuridine leads to the corresponding 5-substituted perfluoralkyl derivatives. It is shown by mass spectra that the substitution always takes place at the 5-position of the pyrimidine. The chemical and physical properties of the formed compounds are described.
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Selected References
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