title: 3,4-Dihydro-6-methyl-3-beta-D-ribofuranosyl-4,5'-cyclo-9H-imidazo[1,2-a]purin-9-one hydrate.
abstract: In the title compound, C(13)H(13)N(5)O(4) x H(2)O (4,5'-cyclowyosine x H(2)O), the cyclization forces a syn arrangement of the aglycon with respect to the sugar moiety. The ribofuranose part of the molecule displays a beta-D configuration with an envelope C1'-endo pucker. The molecules are arranged in columns along the short a axis and are linked to water molecules through O-H...O and O-H...N hydrogen bonds.
authors.affiliation: Faculty of Chemistry and Chemical Technology, University of Ljubljana, Askerceva 5, PO Box 537, SI-1001 Ljubljana, Slovenia. ivan.leban@uni-lj.si
authors.forename: Ivan
authors.initials: I
authors.lastname: Leban
authors.forename: Bozenna
authors.initials: B
authors.lastname: Golankiewicz
authors.forename: Joanna
authors.initials: J
authors.lastname: Zeidler
authors.forename: Gerald
authors.initials: G
authors.lastname: Giester
authors.forename: Joze
authors.initials: J
authors.lastname: Kobe
mesh_terms: D018360:Crystallography, X-Ray; D006860:Hydrogen Bonding; D007093:Imidazoles / Q000737:chemistry*; D008958:Models, Molecular; D008968:Molecular Conformation; D009705:Nucleosides / Q000737:chemistry*; D011684:Purine Nucleosides / Q000737:chemistry*
chemical_list: C455517:4,5'-cyclowyosine; D007093:Imidazoles; D009705:Nucleosides; D011684:Purine Nucleosides