In an article, author is Yu, Mingming, once mentioned the application of 82-76-8, Product Details of 82-76-8, Name is 8-(Phenylamino)naphthalene-1-sulfonic acid, molecular formula is C16H13NO3S, molecular weight is 299.3443, MDL number is MFCD00003998, category is naphthyridines. Now introduce a scientific discovery about this category.
1,8-Naphthyridine and 8-hydroxyquinoline modified Rhodamine B derivatives: Turn-on fluorescent and colorimetric sensors for Al3+ and Cu2+
Based on Rhodamine B, two Al3+/Cu2+-selective chemosensors were synthesized, which display a high selectivity for Al3+ and Cu2+ among environmentally and biologically relevant metal ions. A 1,8-Naphthyridine modified rhodamine derivative can detect Al3+ in ethanol with off-on fluorescence behavior, and detect Cu2+ in aqueous solution with colorimetric method. The 8-Hydroxyquinoline-based rhodamine sensor can detect Al3+ in ethanol with both off-on fluorescence and colorimetric methods. The detection mechanism involves a ring-opening process as a consequence of metal complex formation. Job’s plots and a time-of-flight mass spectral study indicated that each chemosensor chelated Al3+/Cu2+ with 1:1 stoichiometry. The binding of the chemosensors and Al3+/Cu2+ is chemically reversible by the addition of F-/EDTA solution, respectively. (C) 2013 Elsevier Ltd. All rights reserved.
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Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem