1.

Record Nr.

UNINA9911019731103321

Autore

Verma Dakeshwar Kumar

Titolo

Green Chemical Synthesis with Microwaves and Ultrasound

Pubbl/distr/stampa

Newark : , : John Wiley & Sons, Incorporated, , 2024

©2024

ISBN

9783527844470

3527844473

9783527844494

352784449X

Edizione

[1st ed.]

Descrizione fisica

1 online resource (409 pages)

Altri autori (Persone)

VermaChandrabhan

OteroPaz

Disciplina

660.0286

Soggetti

Green chemistry

Microwave heating

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di contenuto

Cover -- Title Page -- Copyright -- Contents -- About the Editors -- Preface -- Chapter 1 Ultrasound Irradiation: Fundamental Theory, Electromagnetic Spectrum, Important Properties, and Physical Principles -- 1.1 Introduction -- 1.2 Cavitation History -- 1.2.1 Basics of Cavitation -- 1.2.2 Types of Cavitation -- 1.3 Application of Ultrasound Irradiation -- 1.3.1 Sonoluminescence and Sonophotocatalysis -- 1.3.2 Industrial Cleaning -- 1.3.3 Material Processing -- 1.3.4 Chemical and Biological Reactions -- 1.4 Conclusion -- Acknowledgments -- References -- Chapter 2 Fundamental Theory of Electromagnetic Spectrum, Dielectric and Magnetic Properties, Molecular Rotation, and the Green Chemistry of Microwave Heating Equipment -- 2.1 Introduction -- 2.1.1 Historical Background -- 2.1.2 Green Chemistry Principles for Sustainable System -- 2.2 Fundamental Concepts of the Electromagnetic Spectrum Theory -- 2.3 Electrical, Dielectric, and Magnetic Properties in Microwave Irradiation -- 2.4 Microwave Irradiation Molecular Rotation -- 2.5 Fundamentals of Electromagnetic Theory in Microwave Irradiation -- 2.5.1 Electromagnetic Radiations and Microwave -- 2.5.2 Heating Mechanism of Microwave:



Conventional Versus Microwave Heating -- 2.6 Physical Principles of Microwave Heating and Equipment -- 2.7 Green Chemistry Through Microwave Heating: Applications and Benefits -- 2.8 Conclusion -- References -- Chapter 3 Conventional Versus Green Chemical Transformation: MCRs, Solid Phase Reaction, Green Solvents, Microwave, and Ultrasound Irradiation -- 3.1 Introduction -- 3.2 A Brief Overview of Green Chemistry -- 3.2.1 Definition and Historical Background -- 3.2.2 Significance -- 3.3 Multicomponent Reactions -- 3.4 Solid Phase Reactions -- 3.5 Microwave Induced Synthesis -- 3.6 Ultrasound Induced Synthesis -- 3.7 Green Chemicals and Solvents.

3.8 Conclusions and Outlook -- References -- Chapter 4 Metal‐Catalyzed Reactions Under Microwave and Ultrasound Irradiation -- 4.1 Ultrasonic Irradiation -- 4.1.1 Iron‐Based Catalysts -- 4.1.2 Copper‐Based Catalysts -- 4.1.2.1 Dihydropyrimidinones by Cu‐Based Catalysts -- 4.1.2.2 Dihydroquinazolinones by Cu‐Based Catalysts -- 4.1.3 Misalliances Metal‐Based Catalysts -- 4.2 Microwave‐Assisted Reactions -- 4.2.1 Solid Acid and Base Catalysts -- 4.2.1.1 Condensation Reactions -- 4.2.1.2 Cyclization Reactions -- 4.2.1.3 Multi‐component Reactions -- 4.2.1.4 Friedel-Crafts Reactions -- 4.2.1.5 Reaction Involving Catalysts of Biological Origin -- 4.2.1.6 Reduction -- 4.2.1.7 Oxidation -- 4.2.1.8 Coupling Reactions -- 4.2.1.9 Micelliances Reactions -- 4.2.1.10 Click Chemistry -- 4.3 Conclusion -- Acknowledgments -- References -- Chapter 5 Microwave‐ and Ultrasonic‐Assisted Coupling Reactions -- 5.1 Introduction -- 5.2 Microwave -- 5.2.1 Microwave‐Assisted Coupling Reactions -- 5.2.2 Ultrasound‐Assisted Coupling Reactions -- 5.3 Conclusion -- References -- Chapter 6 Synthesis of Heterocyclic Compounds Under Microwave Irradiation Using Name Reactions -- 6.1 Introduction -- 6.2 Classical Methods for Heterocyclic Synthesis Under Microwave Irradiation -- 6.2.1 Piloty-Robinson Pyrrole Synthesis -- 6.2.2 Clauson-Kaas Pyrrole Synthesis -- 6.2.3 Paal-Knorr Pyrrole Synthesis -- 6.2.4 Paal-Knorr Furan Synthesis -- 6.2.5 Paal-Knorr Thiophene Synthesis -- 6.2.6 Gewald Reaction -- 6.2.7 Fischer Indole Synthesis -- 6.2.8 Bischler-Möhlau Indole Synthesis -- 6.2.9 Hemetsberger-Knittel Indole Synthesis -- 6.2.10 Leimgruber-Batcho Indole Synthesis -- 6.2.11 Cadogan-Sundberg Indole Synthesis -- 6.2.12 Pechmann Pyrazole Synthesis -- 6.2.13 Debus-Radziszewski Reaction -- 6.2.14 van Leusen Imidazole Synthesis -- 6.2.15 van Leusen Oxazole Synthesis.

6.2.16 Robinson-Gabriel Reaction -- 6.2.17 Hantzsch Thiazole Synthesis -- 6.2.18 Einhorn-Brunner Reaction -- 6.2.19 Pellizzari Reaction -- 6.2.20 Huisgen Reaction -- 6.2.21 Finnegan Tetrazole Synthesis -- 6.2.22 Four‐component Ugi‐azide Reaction -- 6.2.23 Kröhnke Pyridine Synthesis -- 6.2.24 Bohlmann-Rahtz Pyridine Synthesis -- 6.2.25 Boger Reaction -- 6.2.26 Skraup Reaction -- 6.2.27 Gould-Jacobs Reaction -- 6.2.28 Friedländer Quinoline Synthesis -- 6.2.29 Povarov Reaction -- 6.3 Conclusion -- Acknowledgments -- References -- Chapter 7 Microwave‐ and Ultrasound‐Assisted Enzymatic Reactions -- 7.1 Introduction -- 7.2 Influence Microwave Radiation on the Stability and Activity of Enzymes -- 7.3 Principle of Ultrasonic‐Assisted Enzymolysis -- 7.4 Applications of Ultrasonic‐Assisted Enzymolysis -- 7.4.1 Proteins and Other Plant Components Can Be Transformed and Extracted -- 7.4.2 Modification of Protein Functionality -- 7.4.3 Enhancement of Biological Activity -- 7.4.4 Ultrasonic‐Assisted Acceleration of Hydrolysis Time -- 7.5 Enzymatic Reactions Supported by Ultrasound -- 7.5.1 Lipase -- 7.5.2 Protease -- 7.5.3 Polysaccharide Enzymes -- 7.6 Biodiesel Production via Ultrasound‐Supported Transesterification -- 7.6.1 Homogenous



Acid‐Catalyzed Ultrasound‐Assisted Transesterification -- 7.6.2 Transesterification with Ultrasound Assistance and Homogenous Base Catalysis -- 7.6.3 Heterogeneous Acid‐Catalyzed Ultrasound‐Assisted Transesterification -- 7.6.4 Heterogeneous Base‐Catalyzed Ultrasound‐Assisted Transesterification -- 7.6.5 Enzyme‐Catalyzed Ultrasound‐Assisted Transesterification -- 7.7 Conclusions -- Acknowledgments -- References -- Chapter 8 Microwave‐ and Ultrasound‐Assisted Synthesis of Polymers -- 8.1 Introduction -- 8.2 Microwave‐Assisted Synthesis of Polymers -- 8.3 Ultrasound‐Assisted Synthesis of Polymers -- 8.4 Conclusion -- References.

Chapter 9 Synthesis of Nanomaterials Under Microwave and Ultrasound Irradiation -- 9.1 Introduction -- 9.2 Synthesis of Metal Nanoparticles -- 9.3 Synthesis of Carbon Dots -- 9.4 Synthesis of Metal Oxides -- 9.5 Synthesis of Silicon Dioxide -- 9.6 Conclusion -- References -- Chapter 10 Microwave‐ and Ultrasound‐Assisted Synthesis of Metal‐Organic Frameworks (MOF) and Covalent Organic Frameworks (COF) -- 10.1 Introduction -- 10.2 Principles -- 10.2.1 Principles of Microwave Heating -- 10.2.2 Principle of Ultrasound‐Assisted Techniques -- 10.2.3 Advantages and Disadvantages of Microwave‐ and Ultrasound‐Assisted Techniques -- 10.3 MOF Synthesis by Microwave and Ultrasound Method -- 10.3.1 Microwave‐Assisted Synthesis of MOF -- 10.3.2 Ultrasound‐Assisted Synthesis of MOFs -- 10.4 Factors That Affect MOF Synthesis -- 10.4.1 Solvent -- 10.4.2 Temperature and pH -- 10.5 Application of MOF -- 10.6 COF Synthesis by Microwave and Ultrasound Method -- 10.6.1 Ultrasound‐Assisted Synthesis of COFs -- 10.6.2 Microwave‐Assisted Synthesis of COF -- 10.6.3 Structure of COF (2D and 3D) -- 10.7 Factors Affecting the COF Synthesis -- 10.8 Applications of COFs -- 10.9 Future Predictions -- 10.10 Summary -- Acknowledgments -- References -- Chapter 11 Solid Phase Synthesis Catalyzed by Microwave and Ultrasound Irradiation -- 11.1 Introduction -- 11.2 Wastewater Treatment -- 11.3 Biodiesel Production -- 11.4 Oxygen Reduction Reaction -- 11.5 Alcoholic Fuel Cells -- 11.6 Conclusion and Future Plans -- References -- Chapter 12 Comparative Studies on Thermal, Microwave‐Assisted, and Ultrasound‐Promoted Preparations -- 12.1 Introduction -- 12.1.1 Background on Preparative Techniques in Chemistry -- 12.1.2 Overview of Thermal, Microwave‐Assisted, and Ultrasound‐Promoted Preparations -- 12.1.3 Significance of Comparative Studies in Enhancing Synthetic Methodologies.

12.1.3.1 Optimization of Conditions -- 12.1.3.2 Efficiency Improvement -- 12.1.3.3 Methodological Advances -- 12.1.3.4 Sustainability and Green Chemistry -- 12.2 Fundamentals of Thermal, Microwave‐Assisted, and Ultrasound‐Assisted Reactions -- 12.2.1 Explanation of Thermal Reactions and Their Advantages and Limitations -- 12.2.2 Introduction to Microwave‐Assisted Reactions and How They Differ from Traditional Method -- 12.2.3 Understanding the Principles and Mechanisms of Ultrasound‐Promoted Reactions -- 12.3 Case Studies in Organic Synthesis -- 12.3.1 Examining Examples of Organic Reactions Performed Under Thermal Conditions -- 12.3.1.1 Esterification Reaction Under Thermal Conditions -- 12.3.1.2 Dehydration of Alcohols -- 12.3.1.3 Oxidation of Aldehydes to Carboxylic Acids Using Water -- 12.3.2 Case Studies Showcasing the Application of Microwave‐Assisted Reactions -- 12.3.2.1 Microwave‐Assisted C C Bond Formation -- 12.3.2.2 Microwave‐Assisted Cyclization -- 12.3.2.3 Microwave‐Assisted Dehydrogenation Reactions -- 12.3.2.4 Microwave‐Assisted Organic Synthesis -- 12.3.3 Highlighting Successful Instances of Ultrasound‐Promoted Organic Synthesis -- 12.3.3.1 Ultrasound‐Promoted in Organic Synthesis -- 12.3.3.2 Ultrasound‐Promoted Oxidations -- 12.3.3.3 Ultrasound‐



Promoted Esterification -- 12.3.3.4 Ultrasound‐Promoted Cyclization -- 12.4 Scope and Limitations -- 12.4.1 Discussing the Applicability of Each Method to Different Reaction Types -- 12.4.2 Identifying the Limitations and Challenges Faced by Each Technique -- 12.4.3 Opportunities for Combining Approaches to Overcome Specific Limitations -- 12.5 Future Directions and Emerging Trends -- 12.5.1 Overview of Recent Advancements and Ongoing Research in Thermal, Microwave, and Ultrasound‐Assisted Preparations -- 12.5.1.1 Food Processing Technologies.

12.5.1.2 Chemical Routes to Materials: Thermal Oxidation of Graphite for Graphene Preparation.

Sommario/riassunto

This book, edited by Dakeshwar Kumar Verma, Chandrabhan Verma, and Paz Otero, delves into the application of microwave and ultrasound irradiation in green chemical synthesis. It explores how these technologies can improve the efficiency and environmental impact of chemical reactions. The book covers fundamental theories, contemporary trends, and practical applications, including the synthesis of heterocycles, polymers, and nanomaterials. It aims to provide insights into reducing energy consumption and minimizing hazardous waste in chemical processes. The intended audience includes researchers, scientists, and students in the field of chemistry and chemical engineering.



2.

Record Nr.

UNINA9910583503403321

Titolo

Recent Advances in Electrical Engineering, Electronics and Energy : Proceedings of the CIT 2021 Volume 2 / / edited by Miguel Botto-Tobar, Henry Cruz, Angela Diaz Cadena

Pubbl/distr/stampa

Cham : , : Springer International Publishing : , : Imprint : Springer, , 2022

ISBN

3-031-08288-5

Edizione

[1st ed. 2022.]

Descrizione fisica

1 online resource (278 pages) : illustrations (chiefly color)

Collana

Lecture Notes in Electrical Engineering, , 1876-1119 ; ; 932

Disciplina

621.3

Soggetti

Automatic control

Electric power production

Control and Systems Theory

Electrical Power Engineering

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di bibliografia

Includes bibliographical references and index.

Sommario/riassunto

This book constitutes the proceedings of the XVI Multidisciplinary International Congress on Science and Technology (CIT 2021), held in Quito, Ecuador, on 14–18 June 2021, proudly organized by Universidad de las Fuerzas Armadas ESPE in collaboration with GDEON. CIT is an international event with a multidisciplinary approach that promotes the dissemination of advances in Science and Technology research through the presentation of keynote conferences. In CIT, theoretical, technical, or application works that are research products are presented to discuss and debate ideas, experiences, and challenges. Presenting high-quality, peer-reviewed papers, the book discusses the following topics: · Electrical and Electronic · Energy and Mechanics.