Journal Title
Title of Journal: J Chem Crystallogr
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Abbravation: Journal of Chemical Crystallography
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Authors: Mario Cetina Zoran Štefanić Janja Makarević Afërdita NuraLama
Publish Date: 2015/02/10
Volume: 45, Issue: 2, Pages: 67-76
Abstract
In this paper inter or intramolecular induced oxazolidine ring opening of two bicyclic nucleosides during recrystallisation are presented The structures of these two compounds azide derivative 2 and –NHBz derivative 3 as well as bicyclic Otrityl derivative 1 have been determined by single crystal Xray diffraction method The aim of this work was to understand the influence of structural differences of dihydrothymines on their supramolecular assemblies In the crystal structure of 1 which crystallized with one ethanol molecule in the asymmetric unit O–H···N and C–H···O intermolecular hydrogen bonds form twodimensional network One C–H···π interaction extends twodimensional network into threedimensional Supramolecular structure of 2 is a threedimensional network formed by N–H···O O–H···O C–H···N and C–H···O hydrogen bonds Compound 3 crystallized with two independent molecules and two water molecules in the asymmetric unit and displays the greatest number of intermolecular interactions Interestingly although N–H···O O–H···N O–H···O and C–H···O hydrogen bonds are formed as well as two C–H···π interactions the result is only a twodimensional network
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