Characterization of a slippage stopper for the 1,2-bis(pyridinium)ethane-[24]crown-8 ether [2]pseudorotaxane motif

Bolla MA; Tiburcio J; Loeb SJ

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Characterization of a slippage stopper for the 1,2-bis(pyridinium)ethane-[24]crown-8 ether [2]pseudorotaxane motif

机译：1,2-双（吡啶鎓）乙烷-[24]冠-8醚[2]假轮烷基序的止滑剂的表征

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摘要

Comparison of 1,2-bis(pyridinium)ethane axles containing iso-nicotinate esters (R=ethyl, iso-propyl, cyclohexyl, cycloheptyl) as the pyridinium unit shows that the cyclohexyl group provides a stopper size that allows slippage to be used as a method for pseudorotaxane/rotaxane formation employing dibenzo-24-crown-8 ether (DB24C8) as the wheel. Rates of complexation and decomplexation were measured in a number of solvent systems and the kinetic and thermodynamic parameters associated with the process reported. (C) 2008 Elsevier Ltd. All rights reserved.

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《Tetrahedron》 |2008年第36期|共5页
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Bolla MA; Tiburcio J; Loeb SJ;
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正文语种 eng
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1; 2-BIS(PYRIDINIUM)ETHANE AXLES; WHEELS; ROTAXANES; MOLECULES; TEMPLATE; LIGANDS; POLYROTAXANES;

机译：1;2-双（吡啶）乙烷基;车轮;ROTAXANES;分子;模板;配体;POLYROTAXANES;

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1. Characterization of a slippage stopper for the 1,2-bis(pyridinium)ethane-[24]crown-8 ether [2]pseudorotaxane motif [J] . Bolla MA, Tiburcio J, Loeb SJ Tetrahedron . 2008,第36期

机译：1,2-双（吡啶鎓）乙烷-[24]冠-8醚[2]假轮烷基序的止滑剂的表征
2. Electrochemically induced dethreading of a 2-pseudorotaxane based on the 1,2-bis(4,4 '-pyridinium)ethane/24-crown-8 ether motif [J] . Gorodetsky B, Branda NR Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2005,第39期

机译：基于1,2-双（4,4'-吡啶）乙烷/ 24-冠-8醚基序的2-伪轮烷的电化学诱导脱线
3. The Effect of Incorporating Fréchet Dendrons into Rotaxanes and Molecular Shuttles Containing the 1,2-Bis(pyridinium)ethane⊂[24]Crown-8 Templating Motif [J] . David A. Tramontozzi Dr. Natalie D. Suhan Dr. S. Holger Eichhorn Prof. Stephen J. Loeb Prof. Chemistry - A European Journal . 2010,第15期

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Characterization of a slippage stopper for the 1,2-bis(pyridinium)ethane-[24]crown-8 ether [2]pseudorotaxane motif

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