SCHEDULED MAINTENANCE
3-(2,3,5-Tri-O-benzyl-β-D-ribofuranosyl)pyrazole (4) has been converted into formycin (15) by a sequence involving, as the key step, cine substitution, by cyanide ion, of the 1-nitro group in the 1,4-dinitropyrazole (10).
J. G. Buchanan, A. R. Edgar, R. J. Hutchison, A. Stobie and R. H. Wightman, J. Chem. Soc., Chem. Commun., 1980, 237 DOI: 10.1039/C39800000237
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