Antioxidant-substituted tetrapyrazinoporphyrazine as a fluorescent sensor for basic anions |
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| Authors: | Hill Jonathan P Subbaiyan Navaneetha K D'Souza Francis Xie Yongshu Sahu Satyajit Sanchez-Ballester Noelia M Richards Gary J Mori Toshiyuki Ariga Katsuhiko |
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| Affiliation: | WPI-Centre for Materials Nanoarchitectonics, National Institute of Materials Science, Namiki 1-1, Tsukuba, Ibaraki, 305-0044, Japan. Jonathan.Hill@nims.go.jp |
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| Abstract: | Tetrapyrazinoporphyrazine substituted at its periphery with eight antioxidant 3,5-di-t-butyl-4-hydroxyphenyl groups behaves as a turn-on fluorescent sensor for fluoride anions. Conversely, the precursor antioxidant-substituted 1,2-phthalonitrile was found to act in turn-off mode suggesting that the origin of the phenomenon lies at the phenolate-substituted 1,4-pyrazinyl moiety. |
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