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Lookup NU author(s): Professor Andrew Benniston,
Emeritus Professor Bill CleggORCiD,
Dr Ross Harrington,
Dr Peiyi Li
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The title compound, 4,4′-bis[(2,2′:6′,2″- terpyridin-4-yl)ethynyl]-2,2′-(3,6,9-trioxaundecane-1,11-diyldioxy)-1, 1′-biphenylethyl acetate solvate, C54H42N 6O5·C4H8O2, is a sterically constrained ligand based on the well-known chelator 2,2′:6′,2″-terpyridine (terpy). Two terpy units are linked by ethynyl bridges to a central 2,2′-biphenyl unit, in which the two rings are connected by a polyether strand. The torsion angle between the two rings of the biphenyl unit is 113.25 (17)°. The crown ether ring is flexible and capable of complexing metal cations, and the two terpy units may be reorganized from their observed trans-trans configuration to act as terdentate ligands for transition metal ions. © 2004 International Union of Crystallography Printed in Great Britain - all rights reserved.
Author(s): Benniston AC, Clegg W, Harrington RW, Li P
Publication type: Article
Publication status: Published
Journal: Acta Crystallographica Section E: Structure Reports Online
ISSN (electronic): 1600-5368
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