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Anion control of the formation of geometric isomers in a triple helical array

Harding, Lindsay P., Jeffery, John C., Riis-Johannessen, Thomas, Rice, Craig R. and Zeng, Zuotao (2004) Anion control of the formation of geometric isomers in a triple helical array. Dalton Transactions (16). pp. 2396-2397. ISSN 14779226

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Abstract

The amide-substituted unsymmetrical ligand L1 upon coordination to Co2+ forms the dinuclear triple helicate [Co2(L1)3]4+ which exists as both possible C1 and C3 symmetric geometric isomers in solution, however, upon addition of nitrate ions, the formation of an anion binding cavity is favoured and hence the sole product is the C3 symmetric isomer in which all three amide substituents are hydrogen bonded to the nitrate anion.

Item Type: Article
Additional Information: Electronic supplementary information (ESI) available: Structure refinement. See http://www.rsc.org/suppdata/dt/b4/b407487b/
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Schools: School of Applied Sciences
School of Applied Sciences > Biomolecular Sciences Research Centre
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Depositing User: Sara Taylor
Date Deposited: 11 Aug 2008 12:09
Last Modified: 26 Feb 2009 10:41
URI: http://eprints.hud.ac.uk/id/eprint/1450

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