Volume 47, Issue 27 pp. 5038-5042
Communication

Benzene-, Pyrrole-, and Furan-Containing Diametrically Strapped Calix[4]pyrroles—An Experimental and Theoretical Study of Hydrogen-Bonding Effects in Chloride Anion Recognition

Dae-Wi Yoon Dr.

Dae-Wi Yoon Dr.

Department of Chemistry and Biochemistry, The University of Texas at Austin, Austin, TX 78712 (USA), Fax: (+1) 512-471-7550

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Dustin E. Gross

Dustin E. Gross

Department of Chemistry and Biochemistry, The University of Texas at Austin, Austin, TX 78712 (USA), Fax: (+1) 512-471-7550

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Vincent M. Lynch Dr.

Vincent M. Lynch Dr.

Department of Chemistry and Biochemistry, The University of Texas at Austin, Austin, TX 78712 (USA), Fax: (+1) 512-471-7550

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Jonathan L. Sessler Prof.

Jonathan L. Sessler Prof.

Department of Chemistry and Biochemistry, The University of Texas at Austin, Austin, TX 78712 (USA), Fax: (+1) 512-471-7550

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Benjamin P. Hay Dr.

Benjamin P. Hay Dr.

Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830-6119 (USA)

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Chang-Hee Lee Prof.

Chang-Hee Lee Prof.

Department of Chemistry and Vascular System Research Center, Kangwon National University, Chun-Chon 200-701 (Korea)

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First published: 16 June 2008
Citations: 144

This work was supported by the NIH (grant GM 58908 to J.L.S.), the Korea Research Foundation Grant funded by the Korean Government (MOEHRD) (KRF-2006-214-C00047 to D.-W.Y.), and the Korea Science and Engineering Foundation (grant no. R01-2006-000-10001-0 to C.-H.L.), and B.P.H. acknowledges support from the Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, US Department of Energy (DOE) under contract number DE-AC05-00OR22725 with Oak Ridge National Laboratory (managed by UT-Battelle, LLC).

Graphical Abstract

Weak but important: The chloride anion binding properties of diametrically strapped calixpyrroles bearing benzene (see structure), pyrrole, and furan moieties in the strap have been studied in the solid state, in solution, and through theoretical analyses. The results obtained provide support for the notion that CH⋅⋅⋅Cl hydrogen bonds are significant and contribute substantially to the Cl binding energetics.

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