An article Synthesis, Photophysical Properties, and Metal-Ion Recognition Studies of Fluoroionophores Based on 1-(2-Pyridyl)-4-Styrylpyrazoles WOS:000490421100050 published article about INTRAMOLECULAR CHARGE-TRANSFER; TURN-ON CHEMOSENSOR; FLUORESCENT CHEMOSENSOR; COLORIMETRIC DETECTION; NANOMOLAR DETECTION; PROBE; HG2+; DERIVATIVES; CONSTANTS; PYRAZOLO in [Orrego-Hernandez, Jessica; Portilla, Jaime] Univ los Andes, Dept Chem, Bioorgan Cpds Res Grp, Carrera 1 18A-10, Bogota 111711, Colombia; [Cobo, Justo] Univ Jaen, Dept Quim Inorgan & Organ, Campus Lagunillas, Jaen 23071, Spain in 2019.0, Cited 41.0. The Name is 1-(4-Nitrophenyl)ethanone. Through research, I have a further understanding and discovery of 100-19-6. Product Details of 100-19-6
A convenient access toward novel fluoroionophores based on 1-(2-pyridyl)-4-styrylpyrazoles (PSPs) substituted at position 3 with donor or acceptor aryl groups is reported. The synthesis proceeds in two steps: the first one via Wittig olefination of the appropriate 4-formylpyrazole and then Mizoroki-Heck coupling to yield the desired products in an overall yield of up to 69%. Photophysical properties of products (4-styryl) and their intermediates (4-vinyl) were explored, finding that they have strong blue-light emission with high quantum yields (up to 66%) due to ICT phenomena. The 3-phenyl PSP was studied as a turn-off fluorescent probe in metal ion sensing, finding a high selectivity to Hg2+ (LOD = 3.1 x 10(-7)M) in a process that could be reversed with ethylenediamine. The sensing mechanism and binding mode of the ligand to Hg2+ were established by HRMS analysis and H-1 NMR titration tests.
Product Details of 100-19-6. Welcome to talk about 100-19-6, If you have any questions, you can contact Orrego-Hernandez, J; Cobo, J; Portilla, J or send Email.
Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem