The transformation of simple hydrocarbons into more complex and valuable products via catalytic C¨CH bond functionalisation has revolutionised modern synthetic chemistry. In an article, author is Wang, Jin-Tao, once mentioned the application of 86-99-7, Name: 7-Chloroquinolin-4-ol, Name is 7-Chloroquinolin-4-ol, molecular formula is C9H6ClNO, molecular weight is 179.603, MDL number is MFCD00006778, category is quinoxaline. Now introduce a scientific discovery about this category.
A fast-response turn-on quinoline-based fluorescent probe for selective and sensitive detection of zinc (II) and its application
A readily available Schiff base quinoline derivative, quinoline-2-carboxaldehyde (pyridine-2-carbonyl)-hydrazine (QCPCH), has been synthesized via a one-step condensation reaction. It is used as a turn-on fluorescent probe for detecting Zn2+ with high selectivity, sensitivity, and rapid response time of less than 3 s. In addition, the probe QCPCH shows a low detection limit of 72 nM and a large linear detection range (0-180 mu M). The mechanism of probe QCPCH for sensing Zn2+ is proposed to be based on the combined effects of chelation-induced enhanced fluorescence (CHEF) and inhibiting photoinduced electron transfer (PET); this is further demonstrated by the Job’s plot analysis, Benesi-Hilde-brand study, FT-IR spectrum, and H-1 NMR titration. Furthermore, the QCPCH is successfully applied to determine Zn2+ in real water samples, and is made into test strips for fast, convenient, quantitative and qualitative detection of Zn2+.
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Reference:
Quinoline – Wikipedia,
,Quinoline | C9H7N – PubChem