Acta Cryst. (2005). C61, o562-o564 [doi:10.1107/S0108270105024327]
Abstract: In the title compound, 4-amino-1-(2-deoxy-![[beta]](/logos/entities/beta_rmgif.gif)
-D-erythro-pentofuranosyl)-6-methylsulfanyl-1H-pyrazolo[3,4-d]pyrimidine, C11H16N5O3S, the conformation of the glycosidic bond is between anti and high anti. The 2'-deoxyribofuranosyl moiety adopts the C3'-exo-C4'-endo conformation (3T4, S-type sugar pucker), and the conformation at the exocyclic C-C bond is +sc (+gauche). The exocyclic 6-amine group and the 2-methylsulfanyl group lie on different sides of the heterocyclic ring system. The molecules form a three-dimensional hydrogen-bonded network that is stabilized by O-H
N, N-HO and C-HO hydrogen bonds.
Formula: C11H15N5O3S
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