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  • Proceeding Paper
  • Open Access
9 Views
7 Pages

11 November 2025

This research focuses on synthesizing novel tetrahydroquinoline–1,2,3-triazole hybrids as potential agents for neurodegenerative diseases, particularly Alzheimer’s disease (AD). The series of structurally distinct hybrid compounds synthes...

  • Proceeding Paper
  • Open Access

11 November 2025

This study explores the design, synthesis and preliminary in silico screening of novel thiadiazole-isatin hybrid derivatives targeting diabetes mellitus. Building on thiadiazole and isatin compounds’ demonstrated antidiabetic potential, the res...

  • Proceeding Paper
  • Open Access

Ligand-Based Identification of Naturally Occurring 1E3G Receptor Inhibitors for Treating Prostate Cancer

  • Abu Sayed,
  • Ifteakhar Uddin,
  • Sanjida Banu,
  • Umme Ayman,
  • Nabil Jonayeth Alvee,
  • Mohammed Raihan Uddin and
  • Joya Datta Ripa

13 November 2025

Background: Prostate cancer is one of the most prevalent malignancies worldwide, with the androgen receptor (1E3G) playing a central role in disease progression. Methodology: This study applied computational approaches to identify natural 1E3G inhibi...

  • Proceeding Paper
  • Open Access
87 Views
11 Pages

Determination of Pesticide Residues in Drinking Water Using the LC-MS/MS Method and Evaluation of the Results for 2023 and 2024

  • Miroslava Kuzniarová,
  • Milena Dömötörová,
  • Martina Micháliková and
  • Zuzana Lukačovičová

This study focuses on the determination of pesticide residues in drinking water in Slovakia using the LC-MS/MS method, covering a target list of approximately 90 pesticides selected according to the national drinking water risk assessment. The aim of...

  • Proceeding Paper
  • Open Access

Design, Synthesis, Spectral Characterization, and Antidepressant Evaluation of 2,4-Diphenylquinoline Derivatives

  • Abubakar Sadiq Yakubu,
  • Asmau Nasir Hamza,
  • Idris Yunusa Abdullahi,
  • Maryam Abdullahi,
  • Idris Abdullahi,
  • Rabiu Bako and
  • Idris Umar

20 November 2025

Depression is a debilitating neuropsychiatric disorder and a leading cause of disability worldwide, with current therapeutic options often limited by delayed onset of action, inadequate efficacy, and undesirable side effects. The quinoline scaffold,...

  • Proceeding Paper
  • Open Access

13 November 2025

Diabetic retinopathy (DR), an eye disease that is a threatening cause of irreversible blindness, always challenging to detect and diagnose on time. There are many ophthalmic invasive procedures which exist in medical science for the diagnosis of ocul...

  • Proceeding Paper
  • Open Access

11 November 2025

Recently, interest in multifunctional materials has increased; therefore, we developed a system that combines biocompatibility, gradient changing, and antibacterial properties. We aim to combine these properties in the development of a biomimetic sys...

  • Proceeding Paper
  • Open Access

Synthesis of Two Amphiphilic Organocatalysts Derived from L-Proline

  • Erika Alarcón-Matus,
  • Cuauhtémoc Alvarado-Sanchéz,
  • Oswaldo I. Hernández-Abreu,
  • Quirino Torres-Sauret,
  • Erika M. Ramos-Rivera,
  • Luis F. Roa,
  • Ever A. Blé-González and
  • Nancy Romero-Ceronio

12 November 2025

Organocatalysts synthesized from L-proline have demonstrated effectiveness in catalyzing various asymmetric reactions. Additionally, the choice of reaction medium plays a crucial role; using environmentally friendly solvents, such as water or brine s...

  • Proceeding Paper
  • Open Access

In Silico Study of Obeticholic Acid Analogs as FXR Agonists

  • Julio A. Seijas,
  • Silvia Vázquez-Gómez,
  • Francisco Meijide and
  • M. Pilar Vázquez-Tato

21 November 2025

Nuclear receptors are ligand-activated transcription factors that, in response to lipophilic hormones, vitamins, and dietary lipids, regulate numerous aspects of mammalian physiology. Bile acid receptors represent well-defined targets for the develop...

  • Proceeding Paper
  • Open Access

Optimization of Alternative Techniques for the Extraction of Natural Pigments from Beetroot Waste

  • María Victoria Schultheis,
  • Candela Acuña,
  • Vanina A. Guntero and
  • Cristián A. Ferretti

11 November 2025

The increasing demand for natural compounds with functional properties in the food, pharmaceutical, and cosmetic industries highlights the importance of sustainable sourcing. Beetroot, rich in betalains, with significant antioxidant potential, is a p...

  • Proceeding Paper
  • Open Access

Bionematicidal Potential of Undecanoic Acid Against Plant Root Parasitic Nematodes

  • João Trindade,
  • Marina Costa,
  • Leidy Rusinque,
  • Ana Rita Varela and
  • Jorge M. S. Faria

12 November 2025

The growing demand for sustainable and cost-effective alternatives to synthetic nematicides has driven interest in naturally derived compounds with selective activity against plant-parasitic nematodes. In this study, we evaluated the bionematicidal p...

  • Proceeding Paper
  • Open Access

New Plant Growth Regulators of Benzimidazole Series

  • Alena V. Yegorova,
  • Anna E. Sklyar,
  • Alevtina Yu. Yegorova and
  • Vyacheslav S. Grinev

11 November 2025

Benzimidazole derivatives have a wide range of biological activity, including growth-regulating activity in relation to plants. The study of the structure-activity relationship (SAR) in a number of benzimidazole derivatives is important for the devel...

  • Proceeding Paper
  • Open Access

12 November 2025

Quinoline derivatives are recognized for their strong antimicrobial activity, particularly as lipase and reductase inhibitors, with drugs like Bosutinib and Lenvatinib based on this scaffold. This study aimed to design and synthesize novel quinoline-...

  • Proceeding Paper
  • Open Access

11 November 2025

New β-amino ketone Mannich derivatives were synthesized in good yields. Molecular docking studies were conducted to evaluate their potential as inhibitors of acetylcholinesterase and tubulin, while their antioxidant activity was assessed using t...

  • Proceeding Paper
  • Open Access

13 November 2025

Alzheimer’s disease (AD) is a neurodegenerative disease that accounts for more than 80% of dementia cases worldwide. This a neurological disorder that encompasses various stages of development (mild, moderate, or severe cognitive impairment), i...

  • Proceeding Paper
  • Open Access

11 November 2025

Algae are sustainable sources of bioactive compounds widely used in health and wellness applications, though supporting evidence is limited. This study characterized and compared aqueous extracts and purified fractions from Fucus vesiculosus, Gracila...

  • Proceeding Paper
  • Open Access

13 November 2025

Reverse micelles (RMs) are versatile nanostructures traditionally formed in low-polarity organic solvents, but the need for greener alternatives has limited their broader applicability. Here, we demonstrate for the first time that a hydrophobic Natur...

  • Proceeding Paper
  • Open Access

Approaches to the Synthesis of New Symmetrical Bridged Bis(6-hydroxypyrimidin-4(3H)-ones)

  • Darya Mikhailovna Stepkina,
  • Sofya Sergeevna Merkusheva,
  • Denis Andreevich Kolesnik,
  • Galina Vladimirovna Ksenofontova and
  • Igor Pavlovich Yakovlev

12 November 2025

Introduction. The synthesis of new symmetrical bridged bis(6-hydroxypyrimidin-4(3H)-ones) is of significant interest in modern chemistry and pharmaceuticals. Due to their unique structure, such systems have the potential to create new drugs with impr...

  • Proceeding Paper
  • Open Access

Discovery of a Selective PI3K Inhibitor Through Structure-Based Docking and Multilevel In Silico Validation

  • Manjiri Bharasakare,
  • Rahul D. Jawarkar,
  • Pravin N. Khatale and
  • Pramod V. Burakle

12 November 2025

Phosphoinositide 3-kinase (PI3K) represents a pivotal therapeutic target implicated in cellular proliferation, metabolic processes, and oncogenic mechanisms. This research delineates a comprehensive in silico methodology for identifying effective, ph...

  • Proceeding Paper
  • Open Access

Tocopherol–Doxorubicin Conjugate as a Lipid–Prodrug: Synthetic Methods, Self-Assembly, Breast Cancer Cell Inhibition, and Theoretical Analysis

  • Lara Caires,
  • Dina Maciel,
  • Rita Castro,
  • Mara Gonçalves,
  • Jorge A. M. Pereira,
  • José S. Câmara,
  • Jolanta Jaśkowska,
  • João Rodrigues,
  • Helena Tomás and
  • Ruilong Sheng

11 November 2025

Developing natural lipid-based conjugates/prodrugs has emerged as a promising topic in pharmaceutical chemistry and biomedicine. In this work, a natural antioxidant lipid, α-tocopherol (vitamin E), was covalently connected with doxorubicin (Dox...

  • Proceeding Paper
  • Open Access

13 November 2025

7-hydroxycoumarin-4-acetic acid has been synthesized via Pechman condensation. In silico evaluation 7-hydroxycoumarin-4-acetic acid as a ligand of different structures of CYPs from PDB database was completed. The results of docking reveal possibiliti...

  • Proceeding Paper
  • Open Access

Convenient Gould–Jacobs Synthesis of 4-Quinolone Core Using Eaton’s Reagent

  • Daniela S. Mansilla,
  • Silvia E. Asís and
  • Gisela C. Muscia

13 November 2025

The Gould–Jacobs reaction for the synthesis of ethyl 4-quinolone-3-carboxylate derivatives is described. Thus, the condensation of 4-subtituted anilines and EMME to give the corresponding diethyl anilinomethylene malonate was carried out via ne...

  • Proceeding Paper
  • Open Access

In Silico Analysis of Fluoroquinolone Derivatives as Inhibitors of Bacterial DNA Gyrase

  • Evelin Jadán,
  • Juan Diego Guarimata and
  • Javier Santamaría-Aguirre

13 November 2025

Antimicrobial resistance represents a mounting global health concern, primarily attributable to the widespread and indiscriminate use of antibiotics. This has led to the emergence of resistant strains and a gradual decline in the clinical efficacy of...

  • Proceeding Paper
  • Open Access

13 November 2025

Tetrakis (Hydroxymethyl) Phosphonium chloride (THPC) in aqueous solution reacts with amines to form aminomethylenephosphines. The reaction was studied with piperidine, and THPC was used with PEI. The reaction with PEI leads to new polymers with phosp...

  • Proceeding Paper
  • Open Access

Valorization of Olive Oil Residues: Phytochemical Analysis and Potential Bioactivity

  • Carlos Alvarez,
  • Mauricio Bedoya and
  • Margarita Gutiérrez

11 November 2025

The valorization of olive oil production residues represents an innovative and sustainable strategy aligned with circular economy principles and the United Nations Sustainable Development Goals. In this study, we aimed to explore the phytochemical co...

  • Proceeding Paper
  • Open Access

11 November 2025

Heat transfer fluids (HTFs) play a crucial role across a range of industries, absorbing and conveying thermal energy in applications, including as essential components in concentrating solar power systems. As a continuation of previous work, we look...

  • Proceeding Paper
  • Open Access

The Influence of Cucurbit[7]uril on the Photophysical Properties of Encapsulated Styryl Dye

  • Olga P. Kolesnikova,
  • Denis A. Ivanov,
  • Igor V. Kryukov and
  • Nikolai Kh. Petrov

14 November 2025

The interaction between the styryl dye 4-{(E)-2-[4-(dimethylamino)phenyl]vinyl}-1-methylpyridinium iodide (DASPI) and cucurbit[7]uril (CB[7]) in aqueous solution was studied by optical spectroscopy methods. Due to negatively charged portals, cucurbit...

  • Proceeding Paper
  • Open Access
356 Views
8 Pages

Evaluation of Metal–Organic Framework-Based Adsorbents for Preconcentration of Pesticides from Water Samples

  • Yumi Tenawa,
  • Mai Furukawa,
  • Ikki Tateishi,
  • Hideyuki Katsumata and
  • Satoshi Kaneco

Metal-organic frameworks (MOFs) are porous crystalline materials composed of metal ions and organic ligands. By varying the combinations of metal centers and ligands, their structural properties, adsorption performance, and stability in aqueous envir...

  • Proceeding Paper
  • Open Access

13 November 2025

We investigated quantum chemical parameters for single-molecule magnets using theoretical calculations using the density functional theory (DFT), which includes the Hubbard component (PBE+U). An investigation is conducted into the transition metal ph...

  • Proceeding Paper
  • Open Access

13 November 2025

Parasitic diseases are some of the most lethal and pervasive infections globally, causing millions of cases of morbidity and mortality annually. Plasmodium falciparum is the predominant vector-borne pathogen, resulting in 0.5 million fatalities annua...

  • Proceeding Paper
  • Open Access

13 November 2025

Black raspberries exhibit polyphenolic radical scavenging activity. This was demonstrated by analyzing changes in the absorption and emission spectra of galvinoxyl and black raspberry extract, respectively. Black raspberries are rich in polyphenols,...

  • Proceeding Paper
  • Open Access

11 November 2025

β-Lactams are key scaffolds in synthetic and medicinal chemistry, valued for both therapeutic relevance and synthetic utility. Classical ketene-imine [2+2] cycloadditions often employ stabilized aryl ketenes, which display reduced reactivity and...

  • Proceeding Paper
  • Open Access

Structural Insights into Plasmepsin Inhibition by Phenolic Compounds from African Mistletoe (Tapinanthus globiferus) Parasitizing Vitex Doniana

  • Momoh Hassanah,
  • Jimoh Yusuf,
  • Dauda Garba,
  • Yau Jamilu,
  • Mohammed Ibrahim Sule and
  • Yahaya Mohammed Sani

21 November 2025

The parasitic disease malaria necessitates novel drug targets due to increasing Plasmodium falciparum resistance. The purpose of this work was to investigate the antimalarial properties of four metabolites, namely catechin (Y10), catechin-3-gallate (...

  • Proceeding Paper
  • Open Access

Nanostructured Algerian Coal: A Sustainable Carbon Source for Advanced Synthetic Applications

  • Meriem Ferfar,
  • Youssouf Driouche,
  • Amina Dridi,
  • Souad Narsis,
  • El Fahem Sakher and
  • Aissa Benselhoub

12 November 2025

Algerian coal, traditionally exploited as a fossil fuel, can be valorized as a nanostructured carbon source for sustainable technologies. Reinterpreted physicochemical data highlight porous morphology, nanocrystalline carbon (~18 nm), and diverse fun...

  • Proceeding Paper
  • Open Access

13 November 2025

Bridged 1,3-diazine bisazomethines were synthesized via the nucleophilic addition of phenylenediamines to 4,6-dihydroxypyrimidine-5-carbaldehydes in methanol/water. Structures were confirmed by NMR spectroscopy. In silico screening (PASS-online, CLC-...

  • Proceeding Paper
  • Open Access

12 November 2025

Computer-aided docking combined with AlphaFold-based protein modeling revealed strong binding affinities of the ligand DOLA ((Z)-5-(dimethylamino)-N-(octadec-9-en-1-yl)naphthalene-1-sulfonamide) to metabolic proteins in the insect species Tenebrio mo...

  • Proceeding Paper
  • Open Access

13 November 2025

Docking calculations in semi-automatic virtual screening mode have been performed using AutoDock Vina (5 × 5 × 5 nm grid box, centered on the chain A) and FYTdock helper software. N-hexanoyl ciprofloxacin has been found to bind with chiti...

  • Proceeding Paper
  • Open Access

13 November 2025

Cytochrome P450 1B1 (CYP1B1) is an important anticancer target due to its overexpression in tumors and role in carcinogen metabolism. In this work, we attempted to build a first-generation QSAR model for 63 synthesized inhibitors using Quantum Chemic...

  • Proceeding Paper
  • Open Access

A Novel Approach to Using Magnetite Nanoparticles in Heterogeneous Catalysis: Microwave Assisted Synthesis of 1,3-Oxathiolan-5-ones

  • Fernando Javier Lorenzo,
  • Gabriela Montiel Schneider,
  • Verónica Leticia Lassalle,
  • Darío Cesar Gerbino and
  • Romina Andrea Ocampo

11 November 2025

We report a solvent-free, microwave-assisted protocol for the synthesis of 2,2-disubstituted 1,3-oxathiolan-5-ones catalyzed by magnetite nanoparticles (MNPs). A design of experiments (DoE) approach was employed to optimize reaction parameters using...

  • Proceeding Paper
  • Open Access

21 November 2025

This study researches the underexplored potential of the palladium-catalyzed Hayashi–Miyaura reaction in asymmetric synthesis, focusing on the preparation of novel derivatives of 2,2-diaryl-1-nitroethanes. These compounds are of interest as pot...

  • Proceeding Paper
  • Open Access

Computational Insights into the Open–Closed Equilibrium of Substituted Spiropyrans: Stability and Optical Properties

  • Matías Capurso,
  • Gabriel Radivoy,
  • Juan Mancebo-Aracil,
  • Fabiana Nador and
  • Viviana Dorn

11 November 2025

Spiropyran (SP)–Merocyanine (MC) systems represent versatile molecular switches, with their open–closed equilibrium can be finely tuned by their structural characteristics. In this study, we combined conformational sampling, DFT (Density...

  • Proceeding Paper
  • Open Access

12 November 2025

Fused polycyclic 1,7-naphthyridines are important N-heterocyclic scaffolds with potential applications in medicinal chemistry and materials science. Conventional methods for their synthesis often require harsh conditions or multiple steps, limiting f...

  • Proceeding Paper
  • Open Access

11 November 2025

A theoretical study of anti–syn Mannich compound type β-amino ketones using DFT was performed to identify the more stable conformer with a higher energy gap, indicating greater stability and lower reactivity. Docking studies suggest low bi...

  • Proceeding Paper
  • Open Access

A Green and Efficient One-Pot Synthesis of 2,3-Diphenylquinoxaline Using Sodium Hypochlorite as a Sustainable Oxidant

  • Nitin R. Deore,
  • Vivek P. Shewale,
  • J. Oscar C. Jimenez-Halla,
  • Pragya,
  • Arun Gabaji Dholi,
  • Darien I. Martinez-Valencia,
  • Tushar Janardan Pawar and
  • Sachin V. Patil

12 November 2025

A highly efficient and sustainable one-pot method for the synthesis of 2,3-diphenylquinoxaline (DPQ) is presented. The reaction employs sodium hypochlorite as an inexpensive and eco-friendly oxidant for the conversion of benzoin, followed by condensa...

  • Proceeding Paper
  • Open Access

11 November 2025

Tuberculosis (TB) remains a major global health concern, underscoring the urgent need for innovative therapeutic approaches. In this study, we aimed to identify potential inhibitors of phenyloxazoline synthase MbtB, an essential enzyme involved in th...

  • Proceeding Paper
  • Open Access

Optimized Alkaline Extraction of Lignin from Maize Stover Agricultural Waste

  • Jaime Juan Huerta-Delgado,
  • Aura Cristina Alvarado-Villafan,
  • Zaira Valeria Barrientos-Rico,
  • Hannah Sofía Morales-Hernández,
  • Paulina Jocelyn Rico-Velázquez and
  • Pedro A. Cano

11 November 2025

Lignin, an abundant biopolymer in biomass, represents significant potential for environmental applications, particularly in heavy metal adsorption from contaminated water. In Mexico, maize stover, a major agricultural by-product in the Bajío r...

  • Proceeding Paper
  • Open Access

Kinetic Study of the Reaction Between 7-Methoxy-1-Tetralone and Glyoxylic Acid via Basic Catalysis

  • Asley K. Robles,
  • Elvia V. Cabrera,
  • Michelle E. Herrera,
  • Jhonny Correa-Abril and
  • Ullrich Stahl

11 November 2025

The present study focuses on the kinetics of the Knoevenagel condensation reaction between 7-methoxy-1-tetralone (1) and glyoxylic acid (2), catalyzed by potassium tert-butoxide in tert-butanol as a solvent, using a batch-type system under nitrogen a...

  • Proceeding Paper
  • Open Access

Study on Diels–Alder Reaction of Spilanthol

  • Rodrigo Barrón-Velázquez,
  • Mariana Macías-Alonso,
  • Edgar I. Juárez-Robles and
  • Joaquín González Marrero

12 November 2025

This study explores the Diels–Alder reaction using spilanthol, a natural diene isolated from Heliopsis longipes roots, to synthesize potentially bioactive compounds. Spilanthol was purified through silica gel column chromatography, yielding 16...

  • Proceeding Paper
  • Open Access

Impact of B-Ring Substitution on the Anti-Inflammatory Activity of Nitrochalcones

  • Erika Alarcón-Matus,
  • Alam Yair Hidalgo,
  • Carlos Ernesto Lobato-García,
  • Abraham Gómez-Rivera,
  • Luis Fernando Roa de la Fuente,
  • Cuauhtémoc Alvarado-Sánchez,
  • Hidemí Aguilar-Mariscal,
  • Miguel Ángel Vilchis-Reyes and
  • Nancy Romero Ceronio

12 November 2025

A series of three chalcones with a nitro moiety in ring B (compounds 3a–c) was obtained by following a classic Claisen–Schmidt condensation procedure, which involved hydro-alcoholic conditions at room temperature. The reaction yields are...

  • Proceeding Paper
  • Open Access

12 November 2025

2-Benzylidene-1-indanones constitute a family of heterocyclic compounds with a wide range of pharmacological and material applications. Here we present preliminary results of new chemistry in this field. An acid-mediated aldolic condensation of 1-ind...

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Chem. Proc. - ISSN 2673-4583