All reagents for synthesis were purchased from commercial sources and were used without further purification. Analytical thin layer chromatography (TLC) was carried out using Merck (Darmstadt, Germany) TLC Silica gel 60 F254 aluminium sheets and visualized under UV or by appropriate stain. P-anisaldehyde and potassium permanganate were the most used. Column chromatography was carried out using Sigma Aldrich (Darmstadt, Germany) technical grade silica gel (pore size 60 Å, 230–400 mesh particle size, 40–63 μm particle size). In the experiments to determine the chelating ability of the compound, aqueous solutions of buffers, metals, pyrocatechol violet (C19H14O7S, Sigma Aldrich, Darmstadt, Germany), and ferrozine (C20H13N4NaO6S2, 97.0%, Sigma-Aldrich, Darmstadt, Germany) were prepared using ultrapure water (Simplicity® Water Purification System, Merck, Darmstadt, Germany, 18.2 MΩ.cm). 3CdSO4.8H2O (98%), CuSO4.5H2O (p.a, 99%), and FeSO4.7H2O (p.a, 99%) were purchased from Alfa Aesar, Riedel-de-Haën and Merck (Darmstadt, Germany), respectively. Ligand solution was prepared in dimethyl sulfoxide (99.5%, LAB-SCAN Ltd., Poland). Absolute ethanol (99.8%, Honeywell, Charlotte, NC, USA) was used to prepare the solution of 5,7-Dibromo-8-hydroxyquinoline (97%, Alfa Aesar, Karlsruhe, Germany).
Tlc silica gel 60 f254 aluminium
Manufactured by Merck Group
Sourced in Germany
TLC Silica gel 60 F254 aluminium is a thin-layer chromatography (TLC) plate made of silica gel coated on an aluminum backing. The silica gel layer contains a fluorescent indicator F254 that enables visualization of separated compounds under ultraviolet light. This product is a standard component used in TLC analysis for the separation, identification, and purification of chemical compounds.
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Lab products found in correlation
Simplicity water purification system, by Merck Group (1 mentions)
Technical grade silica gel, by Merck Group (1 mentions)
Feso4 7h2o, by Thermo Fisher Scientific (1 mentions)
Cuso4 5h2o, by Thermo Fisher Scientific (1 mentions)
Absolute ethanol, by Honeywell (1 mentions)
Geduran, by Merck Group (1 mentions)
Silica gel 40 63 μm, by Merck Group (1 mentions)
Optics spectrometer, by Bruker (1 mentions)
2 protocols using tlc silica gel 60 f254 aluminium
1
Chelation Ability Characterization of Quinoline
2
General Procedures for Organic Synthesis
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General Methods. All reactions were carried under argon atmosphere. DMF, acetone, THF, toluene, MeCN and acetic acid were used as received from Sigma Aldrich. CH 2 Cl 2 was dried using a dry solvent station GT S100 system. NMR Spectra (1H, 13C) were performed at 298 K. 1H (500 MHz or 300 MHz) and 13C (125 MHz) NMR chemical shifts are reported relative to internal TMS (δ = 0.00 ppm) or to residual protiated solvent. Data are presented as follows: chemical shift (ppm), multiplicity (s = singlet, d = doublet, t = triplet, q = quartet, sept = septet, m = multiplet, br = broad), coupling constant J (Hz) and integration. HRMS data were recorded on a microTOF spectrometer equipped with an orthogonal electrospray (ESI) interface. Thin layer chromatography was performed using Merck TLC silica gel 60 F254 aluminium sheets using petroleum ether/EtOAc or CH 2 Cl 2 /acetone as eluant and visualized using permanganate stain, ninhydrin stain, vanillin stain and/or UV light. Merck Geduran® 40-63 μm silica gel was used for column chromatography. Infrared spectra were reported in frequency of absorption using Alpha Bruker Optics spectrometer.
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