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Front Cover: Effect of Oligoethylene Chains on the Formation of Photoresponsive Nanotubes by Azobenzene Dyad (Eur. J. Org. Chem. 17/2020)
Author(s) -
Saito Takuho,
Yagai Shiki
Publication year - 2020
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.202000558
Subject(s) - azobenzene , photoisomerization , isomerization , chemistry , ethylene glycol , monomer , photochemistry , irradiation , polymer chemistry , polymer , organic chemistry , catalysis , physics , nuclear physics
The Front Cover shows the highly ordered self‐assembled nanotubes by scissor‐shaped azobenzene dyad possessing oligo(ethylene glycol) chains, wherein the hydrophilic chains are wrapped inside the tubular nanostructure. Upon UV light irradiation, the nanotubes smoothly disassemble into monomers by trans‐to‐cis isomerization of azobenzene units. Although subsequent visible light irradiation induces the back photoisomerization of azobenzene units, the nanotubes are not reconstructed in line with the azobenzene isomerization, and amorphous agglomerates are formed. More information can be found in the Communication by T. Saito and S. Yagai.