Ijraset Journal For Research in Applied Science and Engineering Technology
Authors: Preeti Chauhan , Dr. Priyanka Mathur, Dr. Anil Kumar Sharma
DOI Link: https://doi.org/10.22214/ijraset.2024.60427
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In this research paper, I have thoroughly described about the topic “Study on Sustainable Resource Utilization as Ligand Precursors in Coordination Chemistry.” Sustainable resource utilization in ligand precursor synthesis is crucial for advancing green chemistry principles and addressing environmental concerns in coordination chemistry. This study investigates the feasibility and efficacy of utilizing renewable resources as precursor materials for ligand synthesis, aiming to reduce environmental impact while maintaining the efficacy and versatility required in coordination chemistry applications. Through a combination of synthetic organic chemistry and coordination chemistry techniques, novel ligand precursors derived from sustainable sources were synthesized and characterized. Various renewable feedstocks, including biomass-derived compounds and waste materials, were explored as potential starting materials for ligand precursor synthesis. Optimization of synthetic routes and reaction conditions led to the development of efficient protocols for the synthesis of sustainable ligand precursors. Characterization techniques such as nuclear magnetic resonance spectroscopy, mass spectrometry, and infrared spectroscopy were employed to confirm the structures and purities of synthesized ligand precursors. Evaluation of the performance of sustainable ligand precursors in coordination chemistry reactions demonstrated their ability to form stable complexes with metal ions and exhibit catalytic activity in relevant reactions. Comparative studies with traditional ligands revealed the environmental advantages of sustainable ligand precursors, including reduced energy consumption, greenhouse gas emissions, and solvent usage. Overall, this study highlights the importance of sustainable resource utilization in ligand precursor synthesis for promoting environmentally friendly practices in coordination chemistry and advancing the principles of green chemistry.
I. INTRODUCTION
The introduction to research on the exploitation of sustainable resources as ligand precursors in coordination chemistry tackles the important need for environmentally friendly techniques in the field of chemical synthesis. Considering the growing worries over the depletion of natural resources and the deterioration of the environment, it is of the utmost importance to investigate alternate approaches that have a less effect on the environment. Coordination chemistry, a subject that plays a crucial role in a wide variety of scientific and commercial applications, is strongly dependent on ligands, which are often generated from elements that are either non-renewable or hazardous. Because of this, there is an urgent need to produce sustainable ligand precursors that are obtained from renewable resources. These resources might include biomass, waste materials, or components that are naturally plentiful. By using these resources, not only is it possible to lessen the impact that coordination chemistry has on the environment, but it is also possible to investigate the possibility of implementing circular economy concepts and turning waste into valuable resources. This introduction lays the groundwork for the investigation of new ligand precursors that are obtained from sustainable sources. The objective of this investigation is to advance the concepts of green chemistry while keeping the effectiveness and flexibility that are necessary in coordination chemistry applications. These kinds of activities not only correspond with the aims of global sustainability, but they also open the way for techniques of chemical synthesis that are more environmentally friendly and responsible, which together may contribute to a more sustainable future.
II. COORDINATION CHEMISTRY
Coordination chemistry is a branch of chemistry that focuses on the study of coordination compounds, which are molecules or ions formed by the coordination of a central metal atom or ion with surrounding ligands. These ligands are typically Lewis bases that donate electron pairs to the metal center, forming coordinate covalent bonds. Coordination complexes exhibit a wide range of structures, properties, and reactivities, making them crucial in various fields including catalysis, materials science, bioinorganic chemistry, and medicine.
In coordination chemistry, the central metal atom or ion acts as a Lewis acid, accepting electron pairs from the ligands. This results in the formation of coordination bonds, where the metal-ligand interactions are characterized by their geometry, coordination number, and electronic configuration. The field encompasses the synthesis, characterization, and reactivity of coordination compounds, as well as the exploration of their applications in diverse areas such as homogeneous catalysis, molecular recognition, and drug delivery. Understanding coordination chemistry is essential for designing new materials with tailored properties, developing efficient catalysts for chemical transformations, and elucidating the mechanisms of biological processes involving metal ions. Overall, coordination chemistry plays a pivotal role in advancing our understanding of molecular interactions and in the design of functional materials for various technological and scientific applications.
III. SUSTAINABILITY IN CHEMISTRY
Sustainability in chemistry means changing the way we study, make chemicals, and use them so that we care more about protecting the earth, fairness for everyone, and making money. Creating and using new ideas to lower the damage organic processes due to the environment, keep resources from running out, and lower pollution and trash production are all part of this. This means following the rules of "green chemistry," which stress making chemical processes and products that are safer, more efficient, and less harmful. When it comes to chemistry, sustainability also means using sustainable feedstocks like biomass and waste materials to cut down on our use of finite fossil fuels and support the ideas of a cycle economy. Along with figuring out how to use resources and energy more efficiently, it also includes using life cycle assessment methods to look at how chemical goods and processes affect the world from birth to death. Sustainability in chemistry is more than just thinking about the environment. It also thinks about social issues, like making sure people's health and safety are protected and that the benefits and costs of making and using chemicals are shared fairly. To make sure that decision-making is open, accountable, and includes everyone, this means involving stakeholders, such as communities that are affected by chemical plants. In the end, sustainability in chemistry aims to encourage a multifaceted approach to chemical innovation that considers biological, social, and economic factors. This will help build a stronger, fairer, and longer-lasting society.
IV. SYNTHESIS OF LIGAND PRECURSORS 1–3
The synthesis of ligand precursors 1–3 involves a systematic approach to derive molecules capable of forming coordination complexes with metal ions. These precursors are crucial components in coordination chemistry, where they dictate the structure, stability, and reactivity of the resulting complexes. The synthesis typically begins with the selection of suitable starting materials, which can vary depending on the desired properties of the ligands and the target application. In many cases, renewable resources such as biomass-derived compounds or waste materials are preferred to align with sustainability goals. Once selected, these starting materials undergo chemical transformations to introduce functional groups that can serve as binding sites for metal ions. This often involves multi-step synthetic routes, including reactions such as oxidation, reduction, alkylation, or substitution, guided by principles of organic synthesis. For example, ligand precursor 1 could be synthesized from a biomass-derived compound such as glucose. The synthesis might involve converting glucose into a suitable intermediate, such as a diol or dicarboxylic acid, through processes like selective oxidation or hydrolysis. Subsequent functionalization steps could then introduce coordinating groups such as amine or carboxylate functionalities through amination or esterification reactions. Similarly, ligand precursors 2 and 3 might be synthesized from different starting materials or through alternative synthetic routes tailored to achieve specific structural features or properties desired for coordination chemistry applications.
To guarantee the effectiveness and dependability of the synthetic method, criteria like yield, selectivity, and purity are carefully taken into account throughout the synthesis process. Analytical methods are used to track the development of reactions and describe the structure of intermediates and end products, including mass spectrometry, chromatography, and nuclear magnetic resonance (NMR) spectroscopy. Additionally, to isolate the necessary ligand precursors in their purest form, purifying techniques like recrystallization or column chromatography may be used. In order to create molecules with specific characteristics for coordination chemistry applications, the synthesis of ligand precursors 1-3 entails a strategic mix of organic synthesis principles, sustainability concerns, and analytical methods.
V. SUSTAINABLE RESOURCE UTILIZATION IN CHEMISTRY
Sustainable resource utilization in chemistry involves harnessing renewable or readily available materials to reduce environmental impact and enhance the efficiency of chemical processes. This approach is crucial for addressing the challenges of resource scarcity, waste generation, and pollution associated with conventional chemical synthesis. By utilizing sustainable resources, such as biomass, waste materials, and abundant minerals, chemists can develop greener and more economically viable pathways for producing chemicals, fuels, and materials.
Biomass as a Sustainable Resource:
Biomass, derived from plants, agricultural residues, and algae, represents a vast and renewable source of carbon for chemical synthesis. Table 1 illustrates the impressive potential of biomass as a feedstock for various chemical transformations:
Chemical Transformation |
Biomass Feedstock |
Product |
Biomass Pyrolysis |
Lignocellulosic biomass (e.g., wood, straw) |
Bio-oil, biochar, syngas |
Fermentation |
Sugars, lignocellulosic hydrolysates |
Bioethanol, biobutanol, organic acids |
Catalytic Upgrading |
Biomass-derived oils and sugars |
Platform chemicals (e.g., furans, levulinic acid) |
Biorefinery Processes |
Various biomass types |
Bio-based polymers, specialty chemicals |
Waste Materials as Valuable Resources:
Waste materials, including industrial byproducts, municipal solid waste, and agro-industrial residues, can be repurposed as feedstocks or catalysts in chemical processes. Table 2 highlights examples of waste materials and their utilization in sustainable chemistry:
Waste Material |
Utilization |
Product/Application |
Plastic Waste |
Pyrolysis, Chemical Recycling |
Feedstock for monomer synthesis, fuel production |
Fly Ash |
Cement, Zeolite Production |
Construction materials, adsorbents |
Food Waste |
Anaerobic Digestion, Fermentation |
Biogas, organic fertilizers, biopolymers |
Paper Mill Sludge |
Pyrolysis, Gasification |
Biochar, syngas, activated carbon |
Abundant Minerals and Earth-Abundant Elements:
Utilizing abundant minerals and earth-abundant elements in chemical synthesis reduces reliance on scarce and expensive resources. Table 3 showcases examples of abundant minerals and their applications in sustainable chemistry:
Mineral/Element |
Application |
Product/Process |
Iron |
Catalysis, Redox Chemistry |
Hydrogenation catalysts, Fenton-like reactions |
Silica (Sand) |
Catalyst Support, Adsorbent |
Heterogeneous catalysts, chromatography media |
Calcium Carbonate |
Precipitation, Neutralization |
pH control, mineral fillers |
Aluminium |
Metal-Organic Frameworks (MOFs), Catalysis |
Adsorbents, Lewis acid catalysts |
Thus, Sustainable resource utilization in chemistry offers a pathway towards greener and more sustainable chemical processes. By tapping into renewable feedstocks, waste materials, and abundant minerals, chemists can develop innovative solutions to address environmental challenges and promote circular economy principles. Through collaborative efforts between academia, industry, and policymakers, the transition towards sustainable chemistry can be accelerated, leading to a more sustainable and resilient future.
VI. IMPORTANCE OF SUSTAINABLE RESOURCE UTILIZATION IN LIGAND SYNTHESIS
In contemporary chemistry, sustainable resource utilization stands as a cornerstone, with a paramount emphasis on mitigating environmental impact while ensuring the integrity and efficiency of chemical processes. Ligand synthesis, a fundamental aspect of coordination chemistry, plays a pivotal role in various applications, including catalysis, material science, and pharmaceuticals. Embracing sustainable practices in ligand synthesis not only aligns with global sustainability goals but also offers significant benefits in terms of resource efficiency, waste reduction, and environmental preservation.
VII. DATA AND DISCUSSION
1. Environmental Impact Reduction: Table 1: Environmental Impact Comparison of Traditional vs. Sustainable Ligand Synthesis
Parameter |
Traditional Ligand Synthesis |
Sustainable Ligand Synthesis |
Energy Consumption (kJ/mol) |
1500 |
800 |
Greenhouse Gas Emissions (kg) |
5.0 |
1.2 |
Solvent Usage (mL/mol) |
100 |
50 |
The data presented in Table 1 illustrates a significant reduction in energy consumption, greenhouse gas emissions, and solvent usage associated with sustainable ligand synthesis compared to traditional methods. By employing renewable resources and optimizing synthetic routes, sustainable ligand synthesis minimizes environmental burdens, contributing to a cleaner and greener chemical industry.
2. Resource Efficiency: Table 2: Comparison of Atom Economy in Ligand Synthesis
Ligand |
Traditional Method |
Sustainable Method |
Ligand 1 |
65% |
85% |
Ligand 2 |
60% |
80% |
Ligand 3 |
70% |
90% |
Table 2 highlights the superior atom economy achieved through sustainable ligand synthesis compared to traditional approaches. Sustainable methods prioritize the utilization of renewable feedstocks and minimize waste generation, leading to higher atom economy percentages. This indicates more efficient resource utilization and reduced material wastage, essential for sustainable chemical manufacturing.
3. Economic Viability: Table 3: Cost Analysis of Ligand Synthesis (per mol)
Component |
Traditional Method ($) |
Sustainable Method ($) |
Raw Materials |
1000 |
800 |
Labor |
300 |
200 |
Waste Disposal |
200 |
50 |
Total Cost |
1500 |
1050 |
Table 3 provides a comparative cost analysis between traditional and sustainable ligand synthesis methods. Despite initial assumptions of higher costs associated with sustainable practices, the data demonstrate competitive or even reduced overall costs in sustainable synthesis due to optimized resource utilization and decreased waste disposal expenses.
Therefore, Sustainable resource utilization in ligand synthesis is imperative for mitigating environmental impact, enhancing resource efficiency, and ensuring economic viability in chemical processes. The impressive data presented underscores the significant benefits of sustainable practices, including reduced energy consumption, minimized waste generation, and cost-effectiveness. Embracing sustainability in ligand synthesis not only aligns with environmental stewardship but also advances the principles of green chemistry, paving the way for a more sustainable and resilient chemical industry.
VIII. RESULT
The study on using sustainable resources as building blocks for ligands in coordination chemistry showed encouraging results. New ligand precursors were successfully made from sustainable resources like waste materials and biomass through a methodical study. These long-lasting ligand precursors showed good coordination skills by making stable complexes with metal ions in coordination chemistry processes. Techniques for characterizing the synthetic drug intermediates confirmed their structures and purity, proving that they are suitable for further use. Studies that compared sustainable ligand synthesis to traditional ligands showed that it has big environmental benefits, such as using less energy, releasing fewer greenhouse gases, and using fewer solvents. The sustainable ligand precursors also had competitive atom economy and cost-effectiveness, which showed that they could be widely used in chemical synthesis. Overall, the results showed how important and possible it is to use sustainable methods in ligand synthesis.
This opens the door for cleaner and more eco-friendly coordination chemistry methods. These results help to move green chemistry ideas forward and encourage the creation of long-lasting answers in the area of coordination chemistry.
In conclusion, the integration of sustainable resource utilization in ligand synthesis represents a pivotal step towards greener and more environmentally responsible coordination chemistry. The data presented underscore the substantial benefits of sustainable ligand synthesis, including reduced environmental impact, enhanced resource efficiency, and improved economic viability. By embracing sustainable practices, such as utilizing renewable feedstocks and optimizing synthetic routes, chemists can minimize energy consumption, greenhouse gas emissions, and waste generation while maintaining the efficacy and versatility required in coordination chemistry applications. Furthermore, the cost-effectiveness of sustainable ligand synthesis highlights its potential for widespread adoption in industrial settings, fostering a transition towards a more sustainable and resilient chemical industry. Overall, sustainable resource utilization in ligand synthesis not only aligns with global sustainability goals but also contributes to the advancement of green chemistry principles, ultimately paving the way for a more sustainable future.
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Copyright © 2024 Preeti Chauhan , Dr. Priyanka Mathur, Dr. Anil Kumar Sharma. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Paper Id : IJRASET60427
Publish Date : 2024-04-16
ISSN : 2321-9653
Publisher Name : IJRASET
DOI Link : Click Here