Bio Active Solvent Free Synthesis of 7,7-dimethyl-4-Phenyl -Tetra Hydro Quinazaloine-(1H,3H)- 2,5-Diones Derivatives Employing Methanesulfonic Acid | Chapter 11 | Challenges and Advances in Chemical Science Vol. 7

Due to its broad variety of biological activities, such as antibacterial and fungicidal activity, the synthesis of 7,-dimethyl-4-phenyl tetrahydroquinazalones- (1H, 3H)-2, 5-diones derivatives has received a lot of attention. The current investigation of an efficient and cost-effective method for the synthesis of 7,7-dimethyl-4-phenyl tetrahydroquinazalones-(1H,3H)-2,5-diones derivatives using dimedone, urea, and substituted aromatic aldehyde using Methanesulfonic acid

Spectral Analysis of 4f-4f Transitions for the Interaction of Nd(III) with L-Histidine in the Presence and Absence of Zn(II) in Different Organic Solvents | Chapter 10 | Challenges and Advances in Chemical Science Vol. 7

Using their absorption spectra as a probe, various parameters such as percent covalency (), the Slater-Condon (FK), the Nephelauxetic ratio (), bonding parameters (b1/2), and Lande orbit-spin coupling (4f) have been determined for the Nd(III)-L-histidine complex. The influence of the Zn(II) ion in the complexation was examined using a variety of solvents, including acetonitrile, DMF,

Ion Association Constants and Calculation of Thermodynamic Parameters of N-[(benzoyl-amino) thioxomethyl] Serine Copper (II) Chloride in Methanol + Water Mixed Solvents | Chapter 9 | Challenges and Advances in Chemical Science Vol. 7

Conductance values of a complex, N-[(benzoyl-amino) thioxomethyl] serine copper (II) chloride was estimated in methanol-water mixed solvents, viz.,  Xmethanol =0.0000 – 1.0000 at temperature ranges283.15 to 313.15 K. From the experimental results, the ion association constants (KA) and limiting equivalent conductance (^0)  were determined by analyzing conductivity data concerning Shedlovskyequations for the electrolytes. The Walden

Study on Leaching Pattern of Phosphate Glass Fertilizers with Different Compositions under Soxhlet Distillation Conditions | Chapter 8 | Challenges and Advances in Chemical Science Vol. 7

The goal of this research is to investigate the leaching of phosphate glass fertilisers of various compositions under Soxhlet distillation settings. In the phosphate systems, glass fertilisers were melted at 900-950°C after soaking for 1 hour. Under Soxhlet distillation conditions with distilled water, a leaching investigation of these glasses was done for a maximum of

Fabrication of Reusable Ceramic Film Based on Nanostructured Ag/Ag-TiO2 Materials for Photo Catalysis Applications | Chapter 7 | Challenges and Advances in Chemical Science Vol. 7

The goal of this research is to develop low-cost, reusable nanostructured materials based on Ag/TiO2 for photocatalysis. Using a simple oxidation process of a Ti-Ag coating, vertical Agx/TiO2 nanorods were effectively produced. The samples were developed in a phase of ceramic-like materials that can be used for photocatalysis applications multiple times. By spin-coating silver nitrate

Assessment of Inorganic Chemical Composition of PM2.5 Aerosols in Tiaret-City, Algeria | Chapter 6 | Challenges and Advances in Chemical Science Vol. 7

The goal of this study is to determine and quantify the inorganic compounds in PM2.5 aerosols collected in educational establishments in Tiaret, Algeria, using a two-stage Dekati® PM10 impactor. It also planned to track the dispersion of these particles in areas near forests, urban fabric, and metropolitan areas with heavy traffic, as well as to

Research on Nature and Extent of Salt-affected Agricultural Soils in Ho – Keta Plain in the Volta Region of Ghana | Chapter 5 | Challenges and Advances in Chemical Science Vol. 7

Soil salinization is one of the primary environmental challenges that has a significant negative impact on long-term agricultural production. A study was done at the Ho-Keta plain in Ghana’s Volta Region to determine the amount of salt-affected agricultural soil deterioration. From Anyako, Anyenui, and Atiehife, two soil series, Oyebi and Ada, were selected in three

Determination of Synthesis and Characterization of Nano-Acetamiprid: New Plant Safeguard Nanomaterial | Chapter 4 | Challenges and Advances in Chemical Science Vol. 7

Nanomaterials are one form of material that is currently being used to minimise environmental pollution around the world. Nanopesticides improve efficacy, durability, and reduce the amount of active ingredient in pesticides. Quick disintegration in soil or plant, targeted distribution, apparent solubility, and controlled release are all potential goals of nanotechnology in pesticides. The author described

Study on Organocatalytic Asymmetric Michael Addition in Aqueous Media by a Hydrogen-Bonding Catalyst and Application for Inhibitors of GABAB Receptor | Chapter 3 | Challenges and Advances in Chemical Science Vol. 7

Catalysts based on (R, R)-1,2-diphenylethylenediamine are chiral organic catalysts that can be used to perform asymmetric Michael additions to,-unsaturated nitroalkenes under neutral circumstances. Depending on the reaction conditions, the role of an aqueous medium for organic catalytic activity can be inverted in terms of hydrophilic-hydrophobic function. In this study, a thiourea-based catalyst replaced with 3,5-(CF3)2-Ph

Effects of Platinum and Palladium Metals on Ni/ Mg1−xCex 4+O Catalysts in the CO2 Reforming of Methane | Chapter 2 | Challenges and Advances in Chemical Science Vol. 7

Catalysts Ni/Mg1−xCex4+O and Ni,Pd,Pt/Mg1−xCex4+O were developed using the co-precipitation–impregnation methods. Catalyst characterization took place using XRD, H2-TPR, XRF, XPS, Brunauer–Emmett–Teller (BET), TGA, TEM, and FE-SEM. Testing the catalysts for the dry reforming of CH4 took place at temperatures of 700–900°C. Findings from this study revealed a higher CH4 and CO2 conversion using the tri-metallic Ni,Pd,Pt/Mg1−xCex4+O