Issue 30, 2015

Photoresponsive self-assembled hexameric capsules based on calix[4]resorcinarenes bearing azobenzene dendron conjugates as side chains

Abstract

We synthesized calix[4]resorcinarenes bearing various azobenzene dendron conjugates as side chains, wherein the azobenzene moiety is a photoresponsive unit and the dendron moiety is a capsule-destabilizing unit, and then studied the photoresponsive properties of their self-assembled hexameric capsules in conjunction with guest encapsulation in H2O-saturated CDCl3. It was found that correlation between the trans-to-cis photoisomerization of the azobenzene dendron side chains of hosts and the consequent capsule destabilization leading to guest release largely depends on the nature of the dendron moieties, such as their steric bulkiness or hydrophilicity.

Graphical abstract: Photoresponsive self-assembled hexameric capsules based on calix[4]resorcinarenes bearing azobenzene dendron conjugates as side chains

Supplementary files

Article information

Article type
Paper
Submitted
16 May 2015
Accepted
01 Jul 2015
First published
07 Jul 2015

Org. Biomol. Chem., 2015,13, 8359-8364

Author version available

Photoresponsive self-assembled hexameric capsules based on calix[4]resorcinarenes bearing azobenzene dendron conjugates as side chains

T. Sakano, T. Ohashi, M. Yamanaka and K. Kobayashi, Org. Biomol. Chem., 2015, 13, 8359 DOI: 10.1039/C5OB00997A

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