Switching a molecular shuttle on and off: simple, pH-controlled pseudorotaxanes based on cucurbit[7]uril

被引：129

作者：

Sindelar, Vladimir

Silvi, Serena

Kaifer, Angel E. ^{[1
]}

机构：

[1] Univ Miami, Ctr Supramol Sci, Coral Gables, FL 33124 USA

[2] Univ Miami, Dept Chem, Coral Gables, FL 33124 USA

来源：

CHEMICAL COMMUNICATIONS | 2006年 / 20期

关键词：

D O I：

10.1039/b601959e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cucurbit[7[uril, the wheel component in two new and structurally simple pseudorotaxanes, shuttles between the two axle termini at low pH, whereas the shuttling motion stops at higher pH, as the wheel is bound to the center of the axle.

引用

页码：2185 / 2187

页数：3

共 21 条

[1] Artificial molecular-level machines: Which energy to make them work? [J].

Ballardini, R ;

Balzani, V ;

Credi, A ;

Gandolfi, MT ;

Venturi, M .

ACCOUNTS OF CHEMICAL RESEARCH, 2001, 34 (06) :445-455

[2]

Balzani V, 2000, ANGEW CHEM INT EDIT, V39, P3348, DOI 10.1002/1521-3773(20001002)39:19<3348::AID-ANIE3348>3.0.CO

[3]

2-X

[4]

Balzani V., 2003, Molecular Devices and Machines, a Journey into the Nanoworld

[5] Controlling the rate of shuttling motions in [2]rotaxanes by electrostatic interactions:: a cation as solvent-tunable brake [J].

Ghosh, P ;

Federwisch, G ;

Kogej, M ;

Schalley, CA ;

Haase, D ;

Saak, W ;

Lützen, A ;

Gschwind, RM .

ORGANIC & BIOMOLECULAR CHEMISTRY, 2005, 3 (15) :2691-2700

[6] Cyclodextrin-based molecular machines [J].

Harada, A .

ACCOUNTS OF CHEMICAL RESEARCH, 2001, 34 (06) :456-464

[7] Complexation of ferrocene derivatives by the cucurbit[7]uril host: A comparative study of the cucurbituril and cyclodextrin host families [J].

Jeon, WS ;

Moon, K ;

Park, SH ;

Chun, H ;

Ko, YH ;

Lee, JY ;

Lee, ES ;

Samal, S ;

Selvapalam, N ;

Rekharsky, MV ;

Sindelar, V ;

Sobransingh, D ;

Inoue, Y ;

Kaifer, AE ;

Kim, K .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005, 127 (37) :12984-12989

[8]

Jun SI, 2000, TETRAHEDRON LETT, V41, P471

[9] Shuttling through anion recognition [J].

Keaveney, CM ;

Leigh, DA .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2004, 43 (10) :1222-1224

[10] Inclusion of methylviologen in cucurbit[7]uril [J].

Kim, HJ ;

Jeon, WS ;

Ko, YH ;

Kim, K .

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2002, 99 (08) :5007-5011

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