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Oligobisvelcraplex: Self-assembled linear oligomer by solvophobic pi-pi stacking interaction of bisvelcrands based on resorcin[4]arene
- Issue Date
- 28-Oct-2004
- Publisher
- AMER CHEMICAL SOC
- Citation
- ORGANIC LETTERS, v.6, no.22, pp.3893 - 3896
- Journal Title
- ORGANIC LETTERS
- Volume
- 6
- Number
- 22
- Start Page
- 3893
- End Page
- 3896
- ISSN
- 1523-7060
- Abstract
- [GRAPHICS] Bisvelcrand 3 based on resorcin[4]arene was obtained by a stepwise route, and the formation of oligobisvelcraplex 3(n) by solvophobic pi-pi stacking interaction was observed. H-1 NMR spectroscopic studies revealed that DeltaG(pseudorotation)(double dagger) of oligobisvelcraplex 3(n) is 16.7 kcal mol(-1) in C6D5NO2 solution. The pulsed field gradient spin-echo (PGSE) NMR experiment and VPO experiment showed that the number of aggregation (n) ranges from 7 to 10 in CHCl3 solution at 298 K. In high concentration, bisvelcrand 3 tends to form gels or fiber.
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Related Researcher
- Paek, Kyung soo
- College of Natural Sciences (Department of Chemistry)