A5067629588- Corrosion Behavior and Inhibition
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Inorganic and Organometallic Chemistry
- Concrete Corrosion and Durability
- Synthesis and biological activity
- Metal complexes synthesis and properties
- Hydrogen embrittlement and corrosion behaviors in metals
- Synthesis and Characterization of Heterocyclic Compounds
- Crystal structures of chemical compounds
- Multicomponent Synthesis of Heterocycles
- Conducting polymers and applications
- Nonlinear Optical Materials Research
- Catalytic Processes in Materials Science
- Mesoporous Materials and Catalysis
- Electrochemical Analysis and Applications
- Oxidative Organic Chemistry Reactions
- Computational Drug Discovery Methods
- Catalytic Cross-Coupling Reactions
- Crystallography and molecular interactions
- Organometallic Compounds Synthesis and Characterization
- Synthesis and Reactivity of Sulfur-Containing Compounds
- Phenothiazines and Benzothiazines Synthesis and Activities
- Metal-Organic Frameworks: Synthesis and Applications
- Magnetism in coordination complexes
Universiti Teknologi MARA
2015-2025
Faculty (United Kingdom)
2012-2017
Aims This study aimed to synthesize and characterize a Schiff base ligand, (Z)-2-(2-oxoindolin-3-ylidene)hydrazinecarbothioamide (1), its copper(II) (2) zinc(II) (3) complexes, as well evaluate their binding interactions with the epidermal growth factor receptor (EGFR) anticancer activity against human lung cancer A549 cell line.
Two diazine Schiff base ligands, HLa and HLb, derived from thiocarbohydrazide salicylaldehyde derivatives were synthesized using the microwave-assisted synthesis approach. The confirmation of both ligands was elucidated through physiochemical spectroscopy techniques as well single X-ray crystallography diffraction. analyses showed that formed azine instead thiocarbohydrazone based on missing thione, C=S moiety, throughout FTIR NMR spectrascopic data. This finding further concluded by crystal...
A series of bisthiourea ligands, namely 1,2-bis(N'-2-methoxybenzoylthioureido)-4-nitrobenzene (T1), 1,2-bis(N'-3–methoxybenzoylthioureido)-4-nitrobenzene (T2) and 1,2-bis(N'-4-methoxybenzoylthioureido)-4-nitrobenzene (T3) have been successfully synthesised. The reaction was performed using 2:1 ratio. structures the ligands characterised by elemental analysis (CHNS), IR spectroscopy, aH Nuclear Magnetic Resonance (NMR) melting point determination method. thiourea were screened for their...
The title compound, C(19)H(15)ClN(2), adopts an E configuration with respect to the position of chloro-benzene and diphenyl-amine groups on C=N azomethine bond. mol-ecule is not planar, central six-membered ring making angles 12.26 (10) 44.18 (11)° 4-chloro-phenyl phenyl rings, respectively. In crystal structure, weak C-H⋯π inter-actions contribute stabilization packing.
The efficiency of novel Schiff base namely (E)-N1-(4-chlorobenzylidene)-N4-phenylbenzene-1,4-diamine (K2) investigated as corrosion inhibitor mild steel in 1M HCl using polarization technique, electrochemical impedance spectroscopy (EIS) and scanning electron microscopy (SEM). results showed that this behaved a good even at low concentration. Polarization curve indicate K2 generally is mixed inhibitor, which act dominantly cathodic inhibitor. technique EIS tested different concentrations...
A Schiff base, 3-(phenylimino)indolin-2-one, was successfully obtained from the condensation reaction of isatin and aniline in absolute ethanol with a yield 72%. The ligand characterized via physical spectroscopic techniques namely melting point, Elemental Analysis (C, H, N), 1H Nuclear Magnetic Resonance (NMR) Fourier Transform Infrared (FTIR) Spectroscopy. corrosion inhibiting property base that mixture its starting materials on mild steel 1 M HCl solution studied through Electrochemical...
Series of metal organic frameworks from nitrogen based ligand were synthesized as efficient and reusable catalyst via mixed linker methods. The thermogravimetric study the framework (MIXMOF) reveals that complexes are potential thermally stable materials. palladium supported catalysts exhibits high catalytic activity toward Suzuki-Miyaura cross coupling reaction can be reused several times without any visible loss even after five consecutive times.
AbstractSchiff base compounds, namely, N,N′-dibensylideneethane-1,2-diamine (baen), N,N′-bis(4-chlorobenzylidene)ethane-1,2-diamine (cbaen), N,N′-bis(4-methyl benzylidene)ethane-1,2-diamine (mbaen) and 4-(((2-4-hydroxybenzylidene amino)ethylimino) methyl)phenol (hbaen) were tested as corrosion inhibitors on mild steel in 1M HCl via polarisation method. These compounds synthesised from the corresponding substituted benzaldehydes ethylenediamine. Results indicate that presence of chloro,...
The efficiency of two Schiff base compounds namely (E)-N 1 -benzylidene-N 4 -phenylbenzene-1,4-diamine (K1) and -(4-methoxybenzylidene)-N - phenylbenzene-1,4-diamine (K2) as corrosion inhibitors were compared with its parent amine N-phenyl-1,4-phenylenediamine (NPPD). Investigations have been made at 25 0C by electrochemical impedance spectroscopy (EIS) polarization measurements in which the rates decrease percentage inhibition efficiencies surface coverage degree increase increasing...
In the title compound, C(19)H(13)ClN(2), dihedral angle formed by imidazole core with chloro-phenyl and phenyl rings are 24.07 (4) 67.24 (4)°, respectively.
Electrodeposition was carried out on mild steel surface in 0.3 M sodium hydroxide solution (70% distilled water: 30% ethanol) containing 0.1 salicylideneaniline using cyclic voltammetry and chronoamperometry techniques. Both techniques show the formation of films surface. The corrosion behavior electrodeposited studied electrochemical impedance spectroscopy (EIS) technique at various immersion times 0.5 chloride (NaCl). study indicates that resistance against increases after being with...
In this study, 2 flexible and pre-organized tetraamide compounds derived from N-6-[(4-pyridylmethylamino)carbonyl]-pyridine-2-carboxylic acid methyl ester namely 1,2-bis[N,N’-6-(4-pyridylmethylamido)pyridyl-2-carboxyamido]pentane (L1) 1,2-bis[N,N’-6-(4-pyridylmethylamido)pyridyl-2-carboxyamido]hexane (L2) have been successfully synthesized when reacted with diamines in 1:2 ratio. These new were built combination of 3 main components, as a trend requires for anion receptor which are (i)...
Two Schiff bases, 3-(4-hydroxyphenylimino)-1,3-dihydroindol-2-one (OPI) and 3-(4-Chloro-phenylimino)-1,3-dihydroindol-2-one (CPI) were successfully synthesized through condensation reactions giving yields of 82% 63%, respectively. The compounds characterized via physical spectroscopic techniques, namely elemental analysis (C, H, N), 1H 13C Nuclear Magnetic Resonance (NMR) spectroscopy, Fourier Transform Infrared (FTIR) spectroscopy melting point. corrosion inhibiting property the bases on...
The title compound, C(22)H(19)ClN(2)O(4), has the appearance of a warped butterfly. One 2-hydr-oxy-3-methoxy-benzyl-idene-amino fragment is planar [with maximum deviation 0.056 (3) Å] and forms dihedral angle 9.85 (9)° with central benzene ring. other not planar; however, methoxy-phenol group 0.033 (2) makes 41.7 (3)° mol-ecule stabilized by intra-molecular O-H⋯N hydrogen bonding. crystal structure weak inter-molecular C-H⋯O bonding C-H⋯π inter-actions.
In this study, N-(benzylcarbamothioyl) benzamide(A1) with its Cu(II) and Ni(II) complexes were successfully synthesized using condensation method. The compounds characterized by elemental analysis (CHNS), IR spectroscopy, NMR (1H) spectroscopy melting point analysis. have been evaluated as new inhibitors for the corrosion of mild steel in 1M HCl solution potentiodynamic polarization electrochemical impedance (EIS) techniques. Polarization measurements showed that these derivatives are...
A series of Schiff base ligand, SALMPD, and its mono- trinuclear Zn(II) metal complexes were synthesised from m-phenylenediamine salicylaldehyde in alcoholic solution. The synthesis ligand mononuclear complex using conventional condensation method, while the was done microwave-assisted method. structure each compound elucidated by elemental analysis, infrared 1H NMR spectroscopy. spectrum SALMPD shows a strong azomethine (C=N) band at 1621.62cm-1, indicates formation ligand. Upon...