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Synthesis and cation binding properties of new bile acid-based crown ethers

Maitra, Uday and D'Souza, Lawrence J and Kumar, Vijay P (1998) Synthesis and cation binding properties of new bile acid-based crown ethers. In: Supramolecular Chemistry, 10 (1). pp. 97-106.

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/1061027...


A series of bile acid-based crown ethers (7a-c,12 and 13) were easily constructed from readily available precursors. Measurement of association constants (K-a) with alkali metal picrates in CHCl3 showed that azacrown ethers 7a-c and Chola-Cuowns 12 and 13 show greater binding towards Rb+ and K+. The presence of the aromatic moieties showed subtle changes in the binding properties. Insight II minimized structures show very different conformations of aromatic units in 7a-b and 13.

Item Type: Journal Article
Publication: Supramolecular Chemistry
Publisher: Taylor and Francis Group
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Keywords: Crown ether;bile acid;cation binding.
Department/Centre: Division of Chemical Sciences > Organic Chemistry
Date Deposited: 12 Jul 2011 07:50
Last Modified: 12 Jul 2011 07:50
URI: http://eprints.iisc.ac.in/id/eprint/38780

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