Please use this identifier to cite or link to this item: http://idr.nitk.ac.in/jspui/handle/123456789/9932
Title: An ortho-rhom-bic polymorph of 6-de-oxy-6-iodo-1,2:3,4-di-O-isopropyl-idene - D-galactopyran-oside
Authors: Fun, H.-K.
Liew, W.-C.
Rai, S.
Shetty, P.
Isloor, A.M.
Issue Date: 2009
Citation: Acta Crystallographica Section E: Structure Reports Online, 2009, Vol.65, 8, pp.o1999-o2000
Abstract: The title compound, C12H19IO5, is the ortho-rhom-bic polymorph of a previously reported monoclinic form [Krajewski et al. (1987). Bull. Pol. Acad. Sci. Chem. 35, 91-102]. The dihedral angles between the six-membered ring and the two five-membered rings are 67.66 (14) and 71.79 (13) , whereas the dihedral angle between the five-membered rings is 74.41 (12) , indicating that all three rings are twisted from each other. The six-membered ring has a twist-boat conformation while both of the five-membered rings have envelope conformations. The crystal structure is stabilized by a network of C - H?O contacts linking the mol-ecules into a two-dimensional array parallel to the ab plane. 2009 Fun et al.
URI: 10.1107/S1600536809029031
http://idr.nitk.ac.in/jspui/handle/123456789/9932
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