Structures of macrocyclic ansa-ketolactones with one thiophene ring |
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| Authors: | B. Tashkhodzhaev L. G. Vorontsova F. D. Alashev |
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| Affiliation: | (1) Health & Life Sciences Global Business, Battelle Memorial Institute, 505 King Avenue, Columbus, OH 43201, USA;(2) Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH 43210, USA |
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| Abstract: | | 1. | The crystal conformation and geometrical parameters have been determined for 7-oxa-[10]- -cyclothiene-1,6-dione. | | 2. | The atoms of the thiophene ring and the adjacent group are not coplanar. The conformation of the theonyl fragment is O,s-cisoidal; the C=O dipoles are essentially antiparallel, one with respect to the other. |
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