3-bromo-1-(2-deoxy-beta-D-erythro-pentofuranosyl)-1H-pyrazolo[3,4,d]py rimidine-4,6-diamine: a nucleoside which strongly enhances DNA duplex stability

Autor(en): Seela, F
Sirivolu, VR
He, JL
Eickmeier, H
Stichwörter: BASES; Chemistry; Chemistry, Multidisciplinary; CRYSTAL; Crystallography; DT; HIGH-ANTI CONFORMATION
Erscheinungsdatum: 2005
Herausgeber: BLACKWELL MUNKSGAARD
Journal: ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS
Volumen: 61
Ausgabe: 2
Startseite: O67-O69
Zusammenfassung: 
The title compound, C10H13BrN6O3, exhibits an anti glycosylic bond conformation, with an O-C-N-C torsion angle of -105.0 (6)degrees. The pseudorotation phase angle and the amplitude [P = 5.8 (5)degrees and tau(m) = 30.0 (3)degrees, respectively] indicate N-type sugar puckering (T-3(2)).
ISSN: 01082701
DOI: 10.1107/S0108270104032123

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