Self-Assembly Syntheses of Di(ethylene glycol)-Containing [2]Catenanes and Their Derivatization
Date Issued
2015
Date
2015
Author(s)
Huang, Jing-Ting
Abstract
Catenanes are mechanically-interlocked molecular architectures consisted of two or more interlocked macrocycles, in which the interlocked rings cannot be separated without breaking any of the covalent bonds. To reach the most thermodynamic stable state, the macrocycles will prefer to ""stay "" in a conformation that can maximize their interactions. Using external stimuli to alternate the complexation preference of the macrocycle to the stations can cause the migration of the macrocycle and display the ""on "" and ""off "" states based on analytical spectroscopy. Herein, we report the synthesis of hetero[2]catenane from two different dialdehydes, two diamines, and one Na+ ion based on using the Na+ ion as template to align two diethylene glycol chains in an orthogonal alignment.
Subjects
catenanes
ethylene glycol unit
imines
molecular recognition
template-directed synthesis
Type
thesis
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