Silver Ion Shuttling in the Trimer-Mimic Thiacalix[4]crown Tube

Sung Kuk Kim; Jae Kwang Lee; Seoung Ho Lee; Mi S. Lim; Soon W. Lee; Wonbo Sim; Jong Seung Kim

doi:10.1021/jo035567n

Silver Ion Shuttling in the Trimer-Mimic Thiacalix[4]crown Tube

Sung Kuk Kim, Jae Kwang Lee, Seoung Ho Lee, Mi S. Lim, Soon W. Lee, Wonbo Sim, Jong Seung Kim

Research output: Contribution to journal › Article › peer-review

53 Citations (Scopus)

Abstract

Novel 1,3-alternate calix-thiacalix[4] crown trimers bearing crown-5 and crown-6 were prepared. As proven by X-ray diffraction, in a 1:2 mole ratio of ligand to metal ion, the Cs⁺ and K⁺ ions prefer to be encapsulated in the trimeric thiacalix[4]crown-6 and crown-5, respectively. On the contrary, the Ag⁺ ion was found to be entrapped in the central thiacalix spacer as a 1:1 complex confirmed by ¹H NMR spectrosocpy. Variable-temperature ¹H NMR studies for the trimeric thiacalix[4]crown-6 encapsulating the silver ion revealed that the Ag ⁺ ion oscillates through the central thiacalix spacer with the aid of cation-π interactions.

Original language	English
Pages (from-to)	2877-2880
Number of pages	4
Journal	Journal of Organic Chemistry
Volume	69
Issue number	8
DOIs	https://doi.org/10.1021/jo035567n
Publication status	Published - 2004 Apr 16
Externally published	Yes

ASJC Scopus subject areas

Organic Chemistry

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10.1021/jo035567n

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title = "Silver Ion Shuttling in the Trimer-Mimic Thiacalix[4]crown Tube",

abstract = "Novel 1,3-alternate calix-thiacalix[4] crown trimers bearing crown-5 and crown-6 were prepared. As proven by X-ray diffraction, in a 1:2 mole ratio of ligand to metal ion, the Cs+ and K+ ions prefer to be encapsulated in the trimeric thiacalix[4]crown-6 and crown-5, respectively. On the contrary, the Ag+ ion was found to be entrapped in the central thiacalix spacer as a 1:1 complex confirmed by 1H NMR spectrosocpy. Variable-temperature 1H NMR studies for the trimeric thiacalix[4]crown-6 encapsulating the silver ion revealed that the Ag + ion oscillates through the central thiacalix spacer with the aid of cation-π interactions.",

author = "Kim, {Sung Kuk} and Lee, {Jae Kwang} and Lee, {Seoung Ho} and Lim, {Mi S.} and Lee, {Soon W.} and Wonbo Sim and Kim, {Jong Seung}",

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doi = "10.1021/jo035567n",

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T1 - Silver Ion Shuttling in the Trimer-Mimic Thiacalix[4]crown Tube

AU - Kim, Sung Kuk

AU - Lee, Jae Kwang

AU - Lee, Seoung Ho

AU - Lim, Mi S.

AU - Lee, Soon W.

AU - Sim, Wonbo

AU - Kim, Jong Seung

PY - 2004/4/16

Y1 - 2004/4/16

N2 - Novel 1,3-alternate calix-thiacalix[4] crown trimers bearing crown-5 and crown-6 were prepared. As proven by X-ray diffraction, in a 1:2 mole ratio of ligand to metal ion, the Cs+ and K+ ions prefer to be encapsulated in the trimeric thiacalix[4]crown-6 and crown-5, respectively. On the contrary, the Ag+ ion was found to be entrapped in the central thiacalix spacer as a 1:1 complex confirmed by 1H NMR spectrosocpy. Variable-temperature 1H NMR studies for the trimeric thiacalix[4]crown-6 encapsulating the silver ion revealed that the Ag + ion oscillates through the central thiacalix spacer with the aid of cation-π interactions.

AB - Novel 1,3-alternate calix-thiacalix[4] crown trimers bearing crown-5 and crown-6 were prepared. As proven by X-ray diffraction, in a 1:2 mole ratio of ligand to metal ion, the Cs+ and K+ ions prefer to be encapsulated in the trimeric thiacalix[4]crown-6 and crown-5, respectively. On the contrary, the Ag+ ion was found to be entrapped in the central thiacalix spacer as a 1:1 complex confirmed by 1H NMR spectrosocpy. Variable-temperature 1H NMR studies for the trimeric thiacalix[4]crown-6 encapsulating the silver ion revealed that the Ag + ion oscillates through the central thiacalix spacer with the aid of cation-π interactions.

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Silver Ion Shuttling in the Trimer-Mimic Thiacalix[4]crown Tube

Abstract

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