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    The transition-metal-catalyzed or radical-mediated halosulfonylation of 5-ethynyluridine provided (E)-(1-halo-2-tosylvinyl)uridines. These (β-halo)vinyl sulfones undergo efficient stereoselective addition-elimination with amines or thiols to provide Z-β-aminovinyl or E-β-thiovinyl sulfones tethered to the C5 position of the uracil ring.


    Yong Liang, Sazzad H Suzol, Zhiwei Wen, Alain G Artiles, Logesh Mathivathanan, Raphael G Raptis, Stanislaw F Wnuk. Uracil Nucleosides with Reactive Group at C5 Position: 5-(1-Halo-2-sulfonylvinyl)uridine Analogues. Organic letters. 2016 Mar 18;18(6):1418-21

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    PMID: 26933954

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