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Issue 11, 2016
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Synthesis and properties of chiral nanoparticles based on (pS)- and (pR)-decasubstituted pillar[5]arenes containing secondary amide fragments

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Abstract

Employing induced asymmetric synthesis, new decasubstituted pillar[5]arenes containing (R)-(+)- or (S)-(−)-1-phenylethane-1-acetamide fragments have been obtained and characterized. Using NTA and TEM, and circular dichroism spectroscopy, it was shown that the amidopillar[5]arenes synthesized form spherical chiral nanoscale aggregates in CHCl3. During heating, both positive and negative Cotton effects corresponding to nanoparticles in CHCl3 reversibly decrease. Keeping the nanoparticles at room temperature results in a decrease in their size and intensification of the Cotton effect.

Graphical abstract: Synthesis and properties of chiral nanoparticles based on (pS)- and (pR)-decasubstituted pillar[5]arenes containing secondary amide fragments

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Article information


Submitted
01 Dec 2015
Accepted
12 Jan 2016
First published
18 Jan 2016

RSC Adv., 2016,6, 9124-9131
Article type
Paper

Synthesis and properties of chiral nanoparticles based on (pS)- and (pR)-decasubstituted pillar[5]arenes containing secondary amide fragments

D. N. Shurpik, P. L. Padnya, V. G. Evtugyn, T. A. Mukhametzyanov, A. A. Khannanov, M. P. Kutyreva and I. I. Stoikov, RSC Adv., 2016, 6, 9124
DOI: 10.1039/C5RA25562G

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