Anion recognition by 1,3-disiloxane-1,1,3,3-tetraols in organic solvents |
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| Authors: | Shin-ichi Kondo Natsumi Okada Masaki Yamamura |
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| Affiliation: | a Department of Chemistry and Chemical Biology, Graduate School of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan
b International Education and Research Center for Silicon Science (Silicon Center), Graduate School of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan |
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| Abstract: | Anion recognition by 1,3-disiloxane-1,1,3,3-tetraols has been elucidated by 1H NMR titrations and ESI-MS in organic solvents. The association constants of the receptors for halide anions are larger than those of silanediol and 1,3-disiloxane-1,3-diol due to the cooperative hydrogen bonds by four silanol hydroxy groups of 1,3-disiloxane-1,1,3,3-tetraols. |
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| Keywords: | Anion recognition 1 3-Disiloxane-1 1 3 3-tetrol Hydrogen bond NMR titration Artificial receptor |
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