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Iridium complex bearing urea groups as a phosphorescent chemosensor for chiral anion recognition
- Authors
- Hu, Ying; Li, Yinan; Joung, Joonyoung F.; Yin, Jun; Park, Sungnam; Yoon, Juyoung; Hyun, Myung Ho
- Issue Date
- 31-3월-2017
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Phosphorescent chemosensor; Iridium complex; Anion recognition; Chiral recognition; Chemosensor
- Citation
- SENSORS AND ACTUATORS B-CHEMICAL, v.241, pp.224 - 229
- Indexed
- SCIE
SCOPUS
- Journal Title
- SENSORS AND ACTUATORS B-CHEMICAL
- Volume
- 241
- Start Page
- 224
- End Page
- 229
- ISSN
- 0925-4005
- Abstract
- Luminescent, chemosensors for chiral molecules have drawn significant attention. In this study, a new iridium complex 1 bearing two urea groups and ethyl naphthalene groups was synthesized as a phosphorescent chemosensor for chiral anion recognition. Addition of t-Boc amino acids induced phosphorescence enhancement with the maximum emission at 560 nm. As large as K-D/K-L value of 5.0 was observed for iridium complex 1 with phenylgylcine. Two urea groups provide a preorganized binding site for the carboxylates, whereas two ethyl naphthalenes act as chiral barriers. (C) 2016 Elsevier B.V. All rights reserved.
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