Science topics: ChemistryGreen Chemistry
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Green Chemistry - Science topic
Green Methodologies in Organic Synthesis
Publications related to Green Chemistry (10,000)
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Cardanol is the renewable phenolic material that is isolated from Cashew Nut Shell liquid (CNSL). CNSL has created a lot of interest because of its special structural characteristics and adaptability. This review paper looks at the progress of cardanol metathesis, which shows a crucial chemical change that reorganizes carbon-carbon double bonds to...
A borrowing hydrogen approach to produce bio‐based surfactants is described. The process utilizes ubiquitous amino acids and common alcohols without protecting group manipulations. Surfactants are synthesized in a single step using a commercially available ruthenium‐based catalyst in a waste‐free manner with nearly ideal atom economy. The versatili...
The growing threats faced by toxic metals in the environment are directly linked to industrialization, urbanization, and climate change. These processes have intensified the global distribution of pollutants such as cadmium, lead, and mercury, creating significant public health risks. Toxic metals now infiltrate ecosystems through various pathways,...
This paper represents an effective and reliable high-performance liquid chromatography-diode array detector (HPLC-DAD) method for the regular assay of Clorsulon (CLR) and Moxidectin (MOX) anti-parasitic drugs in injection solution and pure powder without derivatization processes. The mobile phase was composed of acetonitrile: methanol: water: aceti...
Regulatory agencies prioritize the safety and efficacy of pharmaceuticals. In this context, our research aims to develop a simple, sensitive, and eco-friendly LCMS-compatible high-performance liquid chromatography stability indicating analytical method (SIAM) technique to identify impurities in Acalabrutinib (ACB) under various stress conditions. T...
This current study focusses on the investigation of the self‐healing abilities of metallopolymers containing different kinds of metal complexes, which were processed by direct digital light processing (DLP) based three‐dimensional (3D) printing. For this purpose, 2‐phenoxyethyl acrylate is mixed with ligand‐containing monomers either based on triph...
Lipases are biocatalysts of significant industrial and medical relevance, owing to their ability to hydrolyze lipid substrates and catalyze esterification reactions under mild conditions. This review provides a comprehensive overview of microbial lipases’ production, purification, and biochemical properties. It explores optimized fermentation strat...
Little scholarly research has been published on the cosmetic uses of tannins. This study identifies the emerging uses of tannin as cosmeceutical ingredient in skin and hair care products. We conclude offering a green chemistry, health and economic perspective on future developments concerning the use of tannins in cosmetic products massively employ...
The highly effective catalysis of the Biginelli reaction has been demonstrated under solvent‐free conditions, using praseodymium (III) nitrate (Pr(NO3)3·6H2O) as a novel catalyst. Notably, this is the first instance of Pr(NO3)3·6H2O being used as a catalyst in an organic reaction. This method offers several advantages, including high yields (85%–98...
In this study, a new nitrogen-enriched multiwall carbon nanotube is prepared and utilized to stabilize palladium species. After the characterization of this new composite, it was applied as a catalyst in the reduction of nitroarenes and hydrodesulfurization of dibenzothiophene. Using this newly established catalyst, a wide range of aromatic nitro c...
In this study, a simple, rapid, and sensitive capillary electrophoresis (CE) method was developed that allows simultaneous analysis of zonisamide (ZNS), rufinamide (RFN), and lamotrigine (LMT) in pharmaceutical preparations. This study introduces the first application of CE for the simultaneous determination of ZNS, RFN, and LMT in pharmaceutical d...
A green protocol for the telescoped synthesis of (E)‐2‐Aryl‐4‐styryl‐1H‐pyrrolo[3,4‐c]quinoline‐1,3(2H)‐diones were developed, employing a well‐characterized deep eutectic solvent (DES) as a catalyst for a transition metal‐free cascade dehydrogenation and sp³ C─H functionalization to yield styryl‐heterocycles (6a–q). The structures of 6c, 6i, and 6...
Amidines are a vital class of bioactive compounds and often necessitate multiple components for their synthesis. Therefore, exploring efficient and sustainable methodologies for their synthesis is indispensable. Herein, we disclose an alternative and greener method for synthesizing an unexplored new class of amidines through the photochemical syner...
This study optimized the extraction of flavonoids from Fagonia cretica using deep eutectic solvents (DESs), focusing on key factors such as the type of DES used, molar ratio, water content, solid/liquid ratio, extraction temperature, and time. Among six DESs tested, the betaine-acetic acid combination exhibited the highest extraction efficiency, at...
Natural matrices have historically been a cornerstone in drug discovery, offering a rich source of structurally diverse and biologically active compounds. However, research on natural products often faces significant challenges due to the complexity of natural matrices, such as urine, and the limitations of bioactivity assessment assays. To ensure...
Recent advancements have focused on developing innovative and renewable technologies for energy production and storage. Batteries are regarded as an affordable, practical, and effective way to meet the growing needs for energy storage. Nanocomposite materials hold significant promise for both research and practical applications because of their sup...
Electrocatalytic nitrate reduction reaction (NO3RR) in alkaline electrolyte presents a sustainable pathway for energy storage and green ammonia (NH3) synthesis. However, it remains challenging to obtain high activity and selectivity due to the limited protonation and/or desorption processes of key intermediates. Herein, we propose a strategy to reg...
Energy conversion and storage are the key challenges in green chemistry that have garnered significant attention in recent decades. Heterostructure materials, with their unique interfaces, robust architectures, and synergistic effects, show great promise in enhancing energy conversion and storage capabilities. However, the intricate relationship be...
Industries are increasingly turning to green chemistry, with laccase enzymes garnering attention due to their ability to use oxygen to produce water as a by-product while catalyzing a wide range of reactions. Bacterial laccases, though less explored, offer stability at high temperatures and pH levels. However, they require mediator systems to handl...
Red-light-activated photocatalysis has become a powerful approach for achieving sustainable chemical transformations, combining high efficiency with energy-saving, mild conditions. By harnessing the deeper penetration and selectivity of red and near-infrared light, this method minimizes the side reactions typical of higher-energy sources, making it...
Nowadays, most of the chemical recycling approaches for plastic waste aim primarily for the depolymerization of single polymer plastics or the multiple steps depolymerization of a plastic mixture which in both cases is considered time, cost and energy consuming. Herein, we present an optimized, single step approach for non-catalyzed hydrolysis of m...
The seafood industry discharges voluminous amounts of discards, consisting of fishery by-catch, process discards, and effluents. Traditional disposals of these side stream materials by landfill, ocean dumping, and incineration are responsible for serious environmental pollution. Emission of greenhouse gases including carbon dioxide, methane, and ni...
The total stopping power, range and stopping time were calculated using relativity theory equation of Betha's at energies ranging from 1 MeV to 1000 MeV. Depending on the nuclear reactions that produce charged particles such as nuclei 2046Ca, 2246Ti and 1225Mg decompose into alpha-beta and a proton, respectively, where the nuclear energy levels and...
Functionalized pyridines and 1,2‐dihydropyridines are crucial organic entities in natural products, organic materials, drugs and catalysts. Despite progress, a facile and eco‐friendly synthesis remains desirable so far. In this context, we disclose a novel visible light‐promoted radical cascade sulfonylation‐cyclization‐aromatization of N‐propargyl...
Photocatalysis is one of the potential applications for environmental cleanup with unique properties like thermal, optical, electrical and structural properties. A facile green synthesis method was employed to synthesize Bi2O3 nanoparticles using Costus igneus leaf extract as a fuel for combustion synthesis. Costus igneus leaf extract was used as a...
Solar panels are difficult to dispose of and environmentally unfriendly because they contain potentially hazardous compounds and materials that are difficult to dispose of or recycle. As such, all‐organic solar cells (AOSCs), which comprise only organic materials, have received considerable attention as environmentally friendly alternatives. Althou...
The Type II heterojunction, characterized by its favorable band alignment, facilitated efficient charge separation in photocatalysts. Concurrently, oxygen vacancies can enhance light absorption and activated reactants, thereby improving photocatalytic efficiency. This study presented the synthesis of Bi‐TCPP/Bi2S3 heterojunction photocatalysts, whi...
Magnetic catalysts are known for their exceptional reusability and recyclability, which not only makes the process more cost-effective but also aligns with green chemistry principles. The use of magnetic catalysts in the synthesis of 2,4,5-triaryl imidazoles presents a sustainable, efficient, and versatile approach that aligns with the evolving dem...
The development of effective photocatalysts for environmental applications is still a critical aspect of green chemistry. This study explores copper oxide (CuxO) catalysts supported on titanium dioxide (TiO2) and zinc oxide (ZnO) for the photocatalytic reduction of maleic acid to succinic acid under ultraviolet (UV) light in water. The main goal wa...
This manuscript introduces a groundbreaking study on the development and application of magnetically recoverable catalysts for the efficient multicomponent synthesis of organosulfur compounds. Capitalizing on the unique advantages of magnetic recovery, these catalysts streamline the synthesis process, offering an innovative solution that marries ef...
Current trends in organic synthesis as well as in chemistry education highlight the principles of Green chemistry and call for new synthetic procedures that conform to the actual ecological and economic requirements according to the Green deal and other global challenges. This includes, for instance, replacement of aggressive and toxic reagents, op...
Pyrazolo[1,5-a]pyrimidines are a notable class of heterocyclic compounds with potent protein kinase inhibitor (PKI) activity, playing a critical role in targeted cancer therapy. Protein kinases, key regulators in cellular signalling, are frequently disrupted in cancers, making them important targets for small-molecule inhibitors. This review explor...
This study examines green chemistry's emergence in Nigerian universities through analysis of perspectives from an 8-member focus group of experts in nanochemistry, green chemistry, and chemistry education. The 6-hour discussion evaluates awareness levels, implementation barriers, and future prospects. While participants recognize green chemistry's...
Polymer corrosion inhibitors are reported to form dense films on carbon steel surfaces, and their thermostability enables survival in harsh downhole environments. In this paper, PEG-OTs was synthesized by mechanochemistry using ball mill by grafting tosyl on PEG. Using this solvent-free green chemistry, non-toxic PEG and PEG-OTs with various molecu...
The objective of this work is to synthesize Mn2O3 nanoparticles (NPs) using green method based on olive leaf extract (OLE). These nanoparticles are intended for photocatalytic applications, specifically the degradation of pollutants and dyes using methylene blue (MB) as a test substance. The synthesized material, initially described as manganese ox...
Continuous exploration of innovative and sustainable solutions within green chemistry is imperative to tackle challenges inherent in traditional production processes. This study examined three novel methods for obtaining polyphenolic extracts from dill seeds: nonthermal high voltage electric discharge (HVED), subcritical water extraction (SWE), and...
Life cycle assessment (LCA) was used, next to green chemistry concepts, to compare the full environmental impacts of the epoxidation of a bio‐based monomer, which can be used for the synthesis of vitrimers. On a laboratory scale, the synthesis of the monomer can either be done via a petrochemical route or via an enzymatic reaction pathway. Both rea...
Obesity poses a significant global health challenge, necessitating the search for novel therapeutic agents to address this epidemic. Chromenes, known for their diverse bioactivities, hold promise as potential anti-obesity compounds, yet research in this area remains limited. This pioneering study represents the first exploration of synthetic chrome...
Computational prediction of enzymatic reactions represents a crucial challenge in sustainable chemical synthesis across various scientific domains, ranging from drug discovery to materials science and green chemistry. These syntheses rely on proteins that selectively catalyze complex molecular transformations. These protein catalysts exhibit remark...
Green chemistry has emerged as a pivotal approach in addressing environmental concerns and
promoting sustainability in chemical processes and industries. The goal of green chemistry is to do
this by rationally designing chemical and processes based on a set of measurement and principles
that have been developed over the previous many decades. Sever...
The portable X-ray fluorescence (pXRF) spectrometry has been very useful for the characterization of different earth materials, and its application for foliar analysis is really promising. The performance of pXRF for foliar analysis depends on several factors such as concentration of the elements, fluorescence yield which is influenced by atomic nu...
For the first time, a novel aptasensing interface based on smart integration of pseudo-gold nanobons (AuNBs) and Ti3C2Tx MXene is introduced for high selective detection of carbamazepine (CBZ). The large specific surface area achieved from the proposed nanocomposite increases the targeted immobilization of the Apt sequence on the surface via AuNBs...
Blended textile waste constitutes a substantial portion of the global textile waste stream, making recycling essential for minimizing the industry’s environmental impact. Although polyester/cotton recycling is well developed, many other blended textiles are routinely landfilled owing to a lack of effective recycling technologies. This review critic...
Background: Alkaloids are bioactive nitrogenous compounds with significant pharmacological applications, including analgesic, anti-inflammatory, anticancer, neuroprotective, and antimicrobial effects. Conventional extraction methods rely on toxic organic solvents, leading to environmental concerns and inefficiencies in yield and purity. The adoptio...
Graphene, a two-dimensional allotrope of carbon with exceptional mechanical, electrical, and thermal properties, has gained significant attention for various applications, including energy storage, sensors, and electronics. To meet the increasing demand for graphene in a sustainable manner, researchers have explored its extraction from waste materi...
Organosilicon chemistry is a valuable branch of chemistry science, particularly in organic synthesis, because compounds containing carbon–silicon (C–Si) bonds are valuable in various fields such as pharmaceuticals, agrochemicals, and materials science. Copper catalysts have emerged as a pivotal tool in the formation of carbon–silicon bonds, offerin...
Developing methods for the analysis of hazardous chemicals and complex parenteral formulations is a challenging process. To address these challenges, the integration of green chemistry principles and design of experiments proves highly effective. This study introduces a novel approach that combines green analytical chemistry and design of experimen...
A novel green synthesis method was developed for sulfur-doped carbon dots (S-C-dots) using chicken egg white (CEW) and L-cysteine for the rapid and cost-effective detection of copper ions (Cu2+) in water. This one-pot, room-temperature, base-catalyzed approach eliminated the need for energy-intensive processes and purification steps, adhering to th...
Schiff bases, a class of compounds derived from the condensation of primary amines with carbonyl groups, have garnered significant interest due to their versatile chemical properties and ability to form stable complexes with various metal ions. This review provides an in-depth exploration of the wide-ranging applications of novel Schiff bases and t...
In this study, a hydrothermal method was applied for the synthesis of hierarchical ZSM-5 from sugarcane bagasse ash (SCBA) as a precursor using starch as a green template. The synthesis was conducted by the hydrothermal method with the molar composition of 1.000:0.250:0.067:30.00 for SiO2:NaOH:Al(OH)3:H2O. For comparison, the synthesis without the...
The first successful synthesis of 1,2,3‐triazoles using CyreneTM as a biodegradable and non‐toxic solvent in click chemistry has been developed. In contrast to previous methods, this sustainable approach allows product isolation by simple precipitation in water, eliminating the need for organic solvent extractions and column chromatography purifica...
The Italian chemical company Versalis (belonging to ENI) recently announced the decision to close two Steam Crackers e one Reformer in the near future. The decision is related to the structural crisis of the entire European chemical industry sector and the chronic weakness of what remains of the Italian petrochemical industry. Hence Italy closes de...
Este artigo aborda o dilema da agricultura moderna entre atender à crescente demanda global por alimentos e minimizar os impactos ambientais associados às práticas agrícolas convencionais. Projeta-se que a população mundial alcance 10 bilhões de pessoas até 2050, pressionando o setor agrícola a adotar práticas intensivas que, embora aumentem a prod...
By collecting both green chemistry and environmental impact metrics, researchers can quantitatively discuss the circularity and sustainability of various chemical and material products and processes. Specific extensive quantities from a transformation are related to afford intensive properties for a system which can be compared across systems. Beca...
The rapidly expanding industrialization and global increase in economic activities have drawn attention to the concerning accumulation of waste. The textile industry plays a significant role in environmental pollution, especially in and water pollution. Harmful dyes used during the fabrication process are mixed with water bodies through sewage or w...
This review article provides a detailed summary of current advances in the field of heterogeneous catalysis using silver nanoparticles. The applications of Ag nanoparticles have received a lot of attention over the past few years. The simple synthetic protocols and their green chemistry approach have raised the popularity of novel nanocatalysts. Mo...
La educación es uno de los principales Objetivos de Desarrollo Sostenible (ODS) para avanzar en los cambios que requiere la humanidad. El objetivo del presente artículo es estudiar la integración de la química verde en el currículo educativo como un mecanismo para avanzar en el desarrollo sostenible. Metodológicamente, el estudio consistió en una r...
Electrochemical oxidation of biomass‐derived 5‐hydroxymethylfurfural (HMF) provides an environmentally friendly route for producing the sustainable polymer monomer 2,5‐furandicarboxylic acid (FDCA). Thus, precisely adjusting the synergistic adsorption among key reactive species, such as HMF and OHads, on the carefully designed catalyst surface is e...
This review examined various analytical approaches for extracting some persistent organic pollutants (POPs) from environmental and food matrices containing lipid components. The impact of the lipid component on the extraction of such hazardous chemicals from fatty matrices is well-known due to their lipophilicity. The analysis of the scientific lit...
Ammonia electrosynthesis through the lithium‐mediated approach has recently reached promising results towards high activity and selectivity in aprotic media, reaching high Faradaic efficiency (FE) values and NH3 production rates. To fasten the comprehension and optimization of the complex lithium‐mediated nitrogen reduction system, for the first ti...
Introducción: La gestión del uso de seguro de las sustancias químicas en su ciclo de vida es crítico, los países se fortalecen implementando diversas políticas mejorando la gestión de sustancias químicas. Este estudio clasifica y prioriza sustancias químicas de uso industrial SQI según el Sistema Globlamente Armonizado (SGA), movilidad ambiental y...
Contact electrification (CE) spans from atomic to macroscopic scales, facilitating charge transfer between materials upon contact. This interfacial charge exchange, occurring in solid–solid (S–S) or solid–liquid (S–L) systems, initiates radical generation and chemical reactions, collectively termed contact-electro-chemistry (CE-Chemistry). As an em...
The electrooxidation of ethylene glycol (EG) to formate converts low-cost raw materials into high-value chemicals, promoting green chemistry, reducing fossil fuel dependence and supporting sustainable production. Currently, there are still several challenges, including inadequate catalyst stability, room for improvement in faradaic efficiency, and...
Ethenzamide (2-ethoxybenzamide), besides acetylsalicylic acid, is one of the mostly used salicylic acid derivatives in pharmaceuticals. It has analgesic and anti-inflammatory effects that originate from the inhibition of cyclooxygenase (COX-1) activity, thus blocking prostaglandin synthesis. In this work, efficient and eco-friendly methods were dev...