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fkksa-2015-abrahman-Synthesis, characterization and chromogenicproperties.pdf Available under License Creative Commons Attribution. Download (762kB) | Preview |
Abstract
The hydrazine and hydrazide compounds were subjected to condensation reaction with ketone and different aldehyde derivatives affording the corresponding expected hydrazones.Tow hydrazone ligands, namely, 4-hydroxy-(2-hydroxy-3-methoxybenzylidene)benzohydrazide(L1) and 4-hydroxy-(2-hydroxy-4-methoxybenzylidene) benzohydrazide(L2) were synthesized and characterized. The complexationof these ligands with Pb2+ was also investigatedand characterized. The chemical structures were found to be consistent with both analytical and spectroscopic data (CHN, FTIR, UV/Vis, TGA, 1H NMR and 13C NMR). The stoichiomtric ratio of their complexes with Pb2+ was found to be 1:1 for (L1-Pb2+) and (L2-Pb2+). The chromogenic properties of the ligands upon their complexation with Pb2+ was carried out in different solvents including methanol, ethanol, acetone, acetonitrile, dimethylsulphoxide, and tetrahydrofuran. DMSO was found to be the best solvent forthe complexation.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Acetonitrile; Dimethylsulfoxide; Ethano; 4-hydroxybenzoylhydrazine; Tetrahydrofuran; Methanol; Hydrochloric acid; 2-Hdroxy-3-methoxybenzaldehyde; 2-Hydroxy-4-methoxybenzaldehyde |
| Subjects: | T Technology > TP Chemical technology |
| Faculty/Division: | Faculty of Chemical & Natural Resources Engineering |
| Depositing User: | Noorul Farina Arifin |
| Date Deposited: | 01 Apr 2016 03:57 |
| Last Modified: | 24 Jan 2018 02:25 |
| URI: | http://umpir.ump.edu.my/id/eprint/12578 |
| Download Statistic: | View Download Statistics |
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