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Tetramidocavitand: strong anion receptor by well-organized four -(C = O)N-H center dot center dot center dot X- interactions
- Issue Date
- 3-Mar-2010
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Citation
- TETRAHEDRON LETTERS, v.51, no.9, pp.1291 - 1293
- Journal Title
- TETRAHEDRON LETTERS
- Volume
- 51
- Number
- 9
- Start Page
- 1291
- End Page
- 1293
- ISSN
- 0040-4039
- Abstract
- Resorcin[4]arene-based tetramidocavitands containing four secondary amide groups on their upper rim showed strong RSO3- (R = methyl or ethyl) binding properties. The caviplex formation through hydrogen bonds of -(C=O)N-H center dot center dot center dot X- was supported by H-1 NMR and Crystal structure analyses. In a mixture of C2D2Cl4/DMSO/D2O = 5 15 2 at 25 degrees C, the thermodynamic parameters for caviplex CH3SO3-@1, Delta G (kcal mol(-1)), Delta H (kcal mol(-1)), and Delta S (cal K-1 mol(-1)), are -3 7, -8 6, and - 16 7, respectively. (C) 2010 Elsevier Ltd All rights reserved.
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Related Researcher
- Kim, Ja heon
- College of Natural Sciences (Department of Chemistry)