Chemistry of Heterocyclic Compounds p. 201 - 203 (1984)
Update date:2022-08-03
Topics:
Shutalev, A. D.
Ignatova, L. A.
Unkovskii, B. V.
The condensation of 2,3-O-isopropylideneribofuranosylamine tosylate with 4-methyl-4-isothiocyanato-2-pentanone in the presence of bases was studied.In pyridine the reaction gives a mixture of 3-(2',3'-O-isopropylidene-β-D-ribofuranosyl)-4,6,6-trimethyl-1,2,3,6-tetrahydropyrimidine-2-thione and 3-(2',3'-O-isopropylidene-β-D-ribofuranosyl)-4-methylene-6,6-dimethylhexahydropyrimidine-2-thione.
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