The high-anticonformation of 8-aza-1,3-dideaza-2′-deoxyadenosine (original) (raw)

Acta Crystallographica Section C Crystal Structure Communications, 2001

Abstract

In the title compound, 4-amino-1-(2-deoxy-beta-D-erythro-pentofuranosyl)-1H-benzotriazole, C11H14N4O3, the conformation of the N-glycosidic bond is in the high-anti range [chi = -77.1 (4) degrees ] and the 2'-deoxyribofuranose moiety adopts a 2'-endo ((2)E) sugar puckering. The 5'-hydroxyl group is disordered and has conformations ap with gamma = 171.1 (3) degrees [occupation of 61.4 (3)%] and +sc with gamma = 52.4 (6) degrees [occupation of 38.6 (3)%]. The nucleobases are stacked in the crystal state.

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