Capecitabine from X-ray powder synchrotron data

Autor: Jan Rohlicek, Michal Husak, Ales Gavenda, Alexandr Jegorov, Bohumil Kratochvil, Andy Fitch
Jazyk: angličtina
Rok vydání: 2009
Předmět:
Zdroj: Acta Crystallographica Section E, Vol 65, Iss 6, Pp o1325-o1326 (2009)
Druh dokumentu: article
ISSN: 16005368
1600-5368
DOI: 10.1107/S1600536809017905
Popis: In the title compound [systematic name 5-deoxy-5-fluoro-N-(pentyloxycarbonyl)cytidine], C15H22FN3O6, the pentyl chain is disordered over two positions with refined occupancies of 0.53 (5) and 0.47 (5). The furan ring assumes an envelope conformation. In the crystal, intermolecular N—H...O hydrogen bonds link the molecules into chains propagating along the b axis. The crystal packing exhibits electrostatic interactions between the 5-fluoropyrimidin-2(1H)-one fragments of neighbouring molecules as indicated by short O...C [2.875 (3) and 2.961 (3) Å] and F...C [2.886 (3) Å] contacts.
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