Novel photo-switchable polymers based on calix[4]arenes

Szymon Wiktorowicz; Vladimir Aseyev; Heikki Tenhu

doi:10.1039/c2py20020a

Novel photo-switchable polymers based on calix[4]arenes

Szymon Wiktorowicz
, Vladimir Aseyev
, Heikki Tenhu^*

^*Corresponding author for this work

Not published at VTT

University of Helsinki

Research output: Contribution to journal › Article › Scientific › peer-review

12 Citations (Scopus)

Abstract

5,17-Dinitrocalix[4]arenes with varying lower rim substituents (butyl, dodecyl chains), locked in the cone conformation, were synthesized and further subjected to reductive coupling reactions to yield a new type of photoswitchable polymers - poly(azocalix[4]arenes). These rigid polymers can undergo reversible photoswitching between the trans and cis form upon irradiation with specific wavelengths, as well as slow thermal isomerisation back to the preferred trans form.

Original language	English
Pages (from-to)	1126-1129
Number of pages	4
Journal	Polymer Chemistry
Volume	3
Issue number	5
DOIs	https://doi.org/10.1039/c2py20020a
Publication status	Published - 1 Jan 2012
MoE publication type	A1 Journal article-refereed

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abstract = "5,17-Dinitrocalix[4]arenes with varying lower rim substituents (butyl, dodecyl chains), locked in the cone conformation, were synthesized and further subjected to reductive coupling reactions to yield a new type of photoswitchable polymers - poly(azocalix[4]arenes). These rigid polymers can undergo reversible photoswitching between the trans and cis form upon irradiation with specific wavelengths, as well as slow thermal isomerisation back to the preferred trans form.",

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N2 - 5,17-Dinitrocalix[4]arenes with varying lower rim substituents (butyl, dodecyl chains), locked in the cone conformation, were synthesized and further subjected to reductive coupling reactions to yield a new type of photoswitchable polymers - poly(azocalix[4]arenes). These rigid polymers can undergo reversible photoswitching between the trans and cis form upon irradiation with specific wavelengths, as well as slow thermal isomerisation back to the preferred trans form.

AB - 5,17-Dinitrocalix[4]arenes with varying lower rim substituents (butyl, dodecyl chains), locked in the cone conformation, were synthesized and further subjected to reductive coupling reactions to yield a new type of photoswitchable polymers - poly(azocalix[4]arenes). These rigid polymers can undergo reversible photoswitching between the trans and cis form upon irradiation with specific wavelengths, as well as slow thermal isomerisation back to the preferred trans form.

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JO - Polymer Chemistry

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Novel photo-switchable polymers based on calix[4]arenes

Abstract

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