CHEMICAL STRATEGY FOR THE SYNTHESIS OF CHALCONES AS DEHYDROACETIC ACID DERIVATIVES AND THEIR LANTANIUM(III) COMPLEXES DOI Open Access
Viktor Chernii, Iryna Tretyakova,

Natalia Fedosova

и другие.

Ukrainian Chemistry Journal, Год журнала: 2024, Номер 90(2), С. 67 - 80

Опубликована: Март 29, 2024

In this study, a series of condensed deri­vatives dehydroacetic acid with chalcone structure were synthesized by the Knevenagel reaction using isopropanol as solvent. The yield was 30–75%. It shown that obtained compounds are capable chelating rare earth metals, including La(III) ions. All complexes have distorted three coordinated ligands according to MALDI MS spectral data. presence water molecules in confirmed thermal study such TG and DTA is dehydration hydroxocomplexes occurs at temperature 120–180 °C, further increase 300–400 °C leads destruction organic release CO2 water. According Horowitz – Metzger method, activation energy process metal ion La(L1)3⋅3H2O complex about 64.2 kJ/mol. optical properties been investigated means UV-Vis spectroscopy measurements, demonstrating induces optically more favourites behaviour compared starting li­gands. varying nature substituents length polymethene chain composition acid-­based chalcones affects their properties. molar extinction coefficient(ε) values ranged from 2.4 105 L⋅mol-1⋅cm-1 5.5⋅105L⋅mol-1⋅cm-1, suggests strong thedehydroacetic acid-based Further modifications antenna moieties for development highly UV-Visible progress various potential.

Язык: Английский

Synergistic effect of Canarium strictum leaves extract and KI on the corrosion protection of mild steel in 15% HCl solution DOI Creative Commons

Reema H. Aldahiri,

Mahmoud A. Hussein,

Soha M. A. Al-Bukhari

и другие.

Scientific Reports, Год журнала: 2025, Номер 15(1)

Опубликована: Янв. 28, 2025

The inhibitory potential of an alcoholic extract derived from Canarium strictum leaves (CSL) was evaluated as a corrosion inhibitor for mild steel (MS) in 15% HCl solution. Furthermore, to enhance its inhibition effectiveness, the influence potassium iodide (KI) also examined. and adsorption characteristics CSL were comprehensively analysed through weight loss measurement, electrochemical impedance measurement (EIS), potentiodynamic polarization (PP), UV–visible spectroscopy, Fourier transform infrared spectroscopy (FTIR), atomic force microscopy (AFM), scanning electron energy dispersive (SEM–EDS). effect temperature immersion time on investigated. studied exhibited maximum efficiency 92.2% at 700 ppm alone, while adding 5 KI 96.8% observed. Moreover, with KI, 98% observed extended 48 h. PP results showed that + good mixed-type system. Adsorption data best fitted Langmuir isotherm model, thermodynamic, kinetic, surface analyses shed light mechanism.

Язык: Английский

Процитировано

1

One-pot synthesis of E-chalcones using a multifunctional catalyst comprised of ruthenium nanoparticles and palladium N-heterocyclic carbene complexes immobilized on silica DOI Creative Commons

Manisha Durai,

Yufei Wu, Jacob Johny

и другие.

Chemical Science, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

The one-pot synthesis of valuable E -chalcones is achieved using a multifunctional Ru@SiO 2 -[Pd–NHC] catalytic system combining molecular and nanoparticle sites for efficient carbonylative Sonogashira coupling selective hydrogenation.

Язык: Английский

Процитировано

1

A critical review of coordination chemistry of pyrimidine and pyridazine compounds: Bonding, chelation and corrosion inhibition DOI
Taiwo W. Quadri, Ekemini D. Akpan, Saheed E. Elugoke

и другие.

Coordination Chemistry Reviews, Год журнала: 2024, Номер 523, С. 216285 - 216285

Опубликована: Ноя. 2, 2024

Язык: Английский

Процитировано

8

Evaluation of 14-(p-tolyl)-14H-dibenzo[a,j]xanthene as a Highly Efficient Organic Corrosion Inhibitor for Mild Steel in 1 M HCl: Electrochemical, Theoretical, and Surface Characterization DOI Creative Commons

Azzeddine Belkheiri,

Khadija Dahmani,

Mohamed Khattabi

и другие.

International Journal of Electrochemical Science, Год журнала: 2024, Номер 19(12), С. 100873 - 100873

Опубликована: Ноя. 12, 2024

Язык: Английский

Процитировано

4

Role of chalcogens in corrosion inhibition: A comprehensive review DOI

Sheetal,

Ashish Kumar Singh,

Sheetal Kundu

и другие.

Inorganic Chemistry Communications, Год журнала: 2025, Номер unknown, С. 114085 - 114085

Опубликована: Фев. 1, 2025

Язык: Английский

Процитировано

0

Spectro-Thermal Characterization, DFT Calculations and Antimicrobial Activities of Oxime Ligand and Its Mn(II) & Co(II) Metal Complexes DOI Open Access
Reema Chand, M.F. Ahmed,

Bibhesh K. Singh

и другие.

Journal of Advanced Chemical Sciences, Год журнала: 2025, Номер 11(1), С. 832 - 837

Опубликована: Март 16, 2025

An appropriate conventional method was employed to synthesize a new oxime-based ligand, 2,4-dihydroxybenzaldehyde oxime, and its transition metal (II) complexes with Mn Co ions. The coordination behavior, bonding nature, crystal structures of these were elucidated using spectroscopic techniques, including FT-IR, UV-Visible, powder X-ray diffraction. UV-Visible spectral analysis suggests that both exhibit an octahedral geometry. Additionally, molecular modeling through Density Functional Theory (DFT) calculations provided detailed insights into their electronic properties, stability trends, potential reactivity. optimized structural parameters, bond lengths angles, determined DFT the B3LYP functional 6-31G**, 6-311G**(d,p), LanL2DZ basis sets.

Язык: Английский

Процитировано

0

Bio-based polyurethane patches from itaconic acid and chalcone with excellent antimicrobial, biocompatible and biodegradable properties DOI

Mengqiu Quan,

Yuqing Wang,

Genzheng Sha

и другие.

Applied Materials Today, Год журнала: 2025, Номер 44, С. 102684 - 102684

Опубликована: Март 22, 2025

Язык: Английский

Процитировано

0

Improving the surface properties of steel alloy via benzothienopyran-based inhibitor for environmental functional material with excellent electrochemical stability DOI

M’bark Elhaid,

Mouna El Khabchi,

R. Salghi

и другие.

Process Safety and Environmental Protection, Год журнала: 2025, Номер unknown, С. 107119 - 107119

Опубликована: Апрель 1, 2025

Язык: Английский

Процитировано

0

Heteroatomic multiple bonded corrosion inhibitors: Coordination chemistry, bonding and synergistic behavior of σ-donors and π-acceptors DOI
Chandrabhan Verma,

Promila,

Shikha Dubey

и другие.

Coordination Chemistry Reviews, Год журнала: 2025, Номер 537, С. 216683 - 216683

Опубликована: Апрель 15, 2025

Язык: Английский

Процитировано

0

Study of initial corrosion and protection behavior of bronze from the Western Zhou Dynasty assisted by BTA DOI

Haoyu Cao,

Zhipeng Liang, Yiyong Wang

и другие.

Corrosion Science, Год журнала: 2024, Номер 239, С. 112419 - 112419

Опубликована: Авг. 28, 2024

Язык: Английский

Процитировано

2