2-Thiophenecarboxylic acid, 4,4'-(3,3,4,4,5,5-hexafluoro-1-cyclopentene-1,2-diyl)bis[5-methyl-

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CAS: 384330-49-8
MF: C17H10O4F6S2
MW: 456.3793
Synonyms: 2-Thiophenecarboxylic acid, 4,4'-(3,3,4,4,5,5-hexafluoro-1-cyclopentene-1,2-diyl)bis[5-methyl-

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Minato

Yokohama National University
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Jong-Man Kim

Hanyang University
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Co-reporter: Woomin Jeong;Mohammed Iqbal Khazi;Dong-Hoon Park;Young-Sik Jung;Jong-Man Kim
pp: 5230-5238
Publication Date(Web):
DOI: 10.1002/adfm.201600032

“Digitalization” represents one approach to shift society's dependence on paper-based communication. However, thus far, this tactic has not had a significant impact on global paper consumption, which has risen over the past few decades. The escalating demand of paper making and consumption has resulted in an intensified negative effect on the environment. Because of this, the development of rewritable paper or erasable ink appears to be an ideal approach to alleviate the increasing demand for paper. In the investigation described herein, novel light-stimulated (UV–vis), reversible color switching, photochromic diarylethene (DE) derivatives are designed, which serve as cyan, magenta, and yellow colored ink materials for full color ink-jet printing. The structures of the DE derivatives are unique in that they contain hydrophilic ethylene glycol chains that enable them to be compatible with aqueous based, ink-jet printing systems. The results of these studies demonstrate that the new DE derivatives can be used in a printing system based on the “write–erase–write” concept that utilizes the same paper multiple times. The approach appears to be ideal for reducing the negative environmental consequences of paper production and consumption.

Jean-luc Pozzo

Université Bordeaux 1
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Co-reporter: Guillaume Sevez;Xavier Sallenave;Jiaan Gan;Annie Colin;Hassan Saadoui;Jianfeng Pan;Ahmed Saleh;Fritz Vögtle;Jean-Luc Pozzo
pp: 888-893
Publication Date(Web):17 SEP 2007
DOI: 10.1002/poc.1253

1,2-Bisthienylperfluorocyclopentenes covalently linked to two aggregative side-arms derived from 11-aminoundecanoic acid have been designed to self-assemble leading to the formation of supramolecular gels which could be reversibly and independently revealed or suppressed upon acidity, temperature changes and also light irradiation. Copyright © 2007 John Wiley & Sons, Ltd.