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Digitale Medien

2'-Deoxycytidine-N(3)-cyanoborane Monohydrate (1996)

Singh, P. ; Zottola, M. ; Huang, S. ; [weitere]

Oxford [u.a.] : International Union of Crystallography (IUCr)

Acta crystallographica 52 (1996), S. 693-696

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Details

ISSN: 1600-5759

Quelle: Crystallography Journals Online : IUCR Backfile Archive 1948-2001

Thema: Chemie und Pharmazie , Geologie und Paläontologie , Physik

Notizen: The structure of the title compound, [4-amino-1-(2-deoxy-β-D-ribofuranosyl)-2-oxo-(1H)-3-pyrimidinio](cyano)borate, C10H15BN4O4.H2O, features an interaction of 2.05 (4) Å between an H atom of the —BH2CN group and an H atom of the —NH2 group. The —C≡N group does not lie in the cytosine plane, the N atom being 2.24 Å away from the plane. The cytosine rings are stacked with almost complete overlap along the twofold screw axis with an interplanar separation of 4.03 Å. The sugar is in the 43T puckering mode, the C(5′)—O(5′) bond has the gg conformation and the relative orientation of the sugar and the base is anti.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1107/S0108270195013412

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