Dual channel chromo/fluorogenic chemosensors for cyanide and fluoride ions--an example of in situ acid catalysis of the Strecker reaction for cyanide ion chemodosimetry
Two mesitylene based probes, having catechol/phenol units in conjunction to the Schiff base have been synthesized. The probe with a catechol unit can be used to sense and discriminate between F(-) and CN(-) through different colorimetric and fluorimetric responses using DMSO as solvent. However in D...
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| Veröffentlicht in: | Organic & biomolecular chemistry 2013-01, Vol.11 (4), p.654-661 |
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| container_title | Organic & biomolecular chemistry |
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| creator | Sharma, Sanyog Hundal, Maninder Singh Hundal, Geeta |
| description | Two mesitylene based probes, having catechol/phenol units in conjunction to the Schiff base have been synthesized. The probe with a catechol unit can be used to sense and discriminate between F(-) and CN(-) through different colorimetric and fluorimetric responses using DMSO as solvent. However in DMSO:water (2:1) solution it responds selectively to CN(-) ion. The probe with a phenol unit is highly selective and sensitive for CN(-) and can be used for naked eye, semiquantitative sensing of CN(-) ion in DMSO:water (2:1) solution. The chemodosimetry has been attributed to the acid catalyzed Strecker's reaction of an imine bond and is being reported for the first time in a Schiff's base. |
| doi_str_mv | 10.1039/c2ob27096j |
| format | Article |
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The probe with a catechol unit can be used to sense and discriminate between F(-) and CN(-) through different colorimetric and fluorimetric responses using DMSO as solvent. However in DMSO:water (2:1) solution it responds selectively to CN(-) ion. The probe with a phenol unit is highly selective and sensitive for CN(-) and can be used for naked eye, semiquantitative sensing of CN(-) ion in DMSO:water (2:1) solution. 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| fulltext | fulltext |
| identifier | ISSN: 1477-0520 |
| ispartof | Organic & biomolecular chemistry, 2013-01, Vol.11 (4), p.654-661 |
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| source | MEDLINE; Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Benzene Derivatives - chemistry Catalysis Chemistry Techniques, Analytical - instrumentation Colorimetry Cyanides - analysis Cyanides - chemistry Fluorescent Dyes - chemistry Fluorides - analysis Fluorides - chemistry Hydrogen-Ion Concentration Imines - chemistry Spectrometry, Fluorescence |
| title | Dual channel chromo/fluorogenic chemosensors for cyanide and fluoride ions--an example of in situ acid catalysis of the Strecker reaction for cyanide ion chemodosimetry |
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