Nucleosides and Nucleotides. Part 13. Synthesis and spectral properties of 1- (3′-O-Phosphoryl-2′-deoxy-β -D-ribofuranosyl)-2(1H)-pyridone-(3′-5′)-1-(2′-deoxy-β-D-ribofuranosyl)-2 (1H)-pyridone |
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Authors: | Nico Cerletti,Urs S quin,Christoph Tamm,Werner Zü rcher |
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Affiliation: | Nico Cerletti,Urs Séquin,Christoph Tamm,Werner Zürcher |
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Abstract: | The dinucleoside phosphate ΠdpΠd ( 4 ) was synthesized from the monomers 1-(5′-O-monomethoxytrityl - 2′ - deoxy - β - D - ribofuranosyl) - 2 (1 H) - pyridone ((MeOTr) Πd, 2 ) and 1-(5′-O-phosphoryl-3′-O-acetyl-2′-deoxy-β-D -ribofuranosyl)-(1H)-pyridone (pΠd(Ac), 3 ). Its 6.4% hyperchromicity and an analysis of the 1H-NMR. spectra indicate that the conformation and the base-base interactions in 4 are similar to those in natural pyrimidine dinucleoside phosphates. |
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