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Abstract
Synthesis and stereochemical characterization of enantiomerically pure nucleoside-phosphorothioselenoates are reported. The effects of solvent and temperature on the vicinal carbon-phosphorus couplings are described and the results are interpreted in terms of conformational changes influenced by stacking interactions between the bases and the phenyl rings.
ACKNOWLEDGMENT
The authors thank Dr Orsolya Egyed and Mrs Livia Szikes for their help in compiling the data. This work was sponsored by the Hungarian Scientific Research Fund (OTKA projects no. T 023368 and T 026593).