Note: Intro -- Green Solvents II -- Preface -- Editor's Biography -- Acknowledgments -- Contents -- Contributors -- Chapter 1: Ionic Liquids as Green Solvents: Progress and Prospects -- 1.1 Introduction -- 1.2 History of Ionic Liquids (ILs) -- 1.3 Structure of Ionic Liquids (ILs) -- 1.3.1 Cations -- 1.3.2 Anions -- 1.4 Synthesis of Ionic Liquids (ILs) -- 1.4.1 Quaternization Reactions -- 1.4.2 Anion-Exchange Reactions -- 1.4.2.1 Lewis-Acid-Based Ionic Liquids (ILs) -- 1.4.2.2 Anion Metathesis -- 1.5 Properties of Ionic Liquids (ILs) -- 1.5.1 Melting Point -- 1.5.2 Volatility -- 1.5.3 Thermal Stability -- 1.5.4 Viscosity -- 1.5.5 Density -- 1.5.6 Polarity -- 1.5.7 Conductivity and Electrochemical Window -- 1.5.8 Toxicity -- 1.5.9 Air and Moisture Stability -- 1.5.10 Cost and Biodegradability -- 1.6 Solvent Properties and Solvent Effects -- 1.6.1 Solute-Ionic Liquids (ILs) Interactions -- 1.6.1.1 Interaction of Ionic Liquids (ILs) with Water -- 1.6.1.2 Interaction of Ionic Liquids (ILs) with Acid and Base -- 1.6.1.3 Interaction of Ionic Liquids (ILs) with Aromatic Hydrocarbon -- 1.6.1.4 Interaction with Chiral Substrates -- 1.7 Conclusions -- References -- Chapter 2: Ionic Liquids as Green Solvents for Alkylation and Acylation -- 2.1 Introduction -- 2.2 Alkylation -- 2.2.1 Ionic Liquids as Green Solvents -- 2.2.2 Ionic Liquids as Dual Green Solvents and Catalysts -- 2.2.3 Ionic Liquids Immobilized on Solid Supports -- 2.3 Acylation -- 2.3.1 Ionic Liquids as Green Solvents -- 2.3.2 Ionic Liquids in Dual Role as Green Solvents and Catalysts -- 2.3.3 Immobilized Ionic Liquids -- 2.4 Remarks -- References -- Chapter 3: Ionic Liquids as Green Solvents for Glycosylation Reactions -- 3.1 Introduction -- 3.2 Preparation of Acid-Ionic Liquids -- 3.3 Reusability of Acid-Ionic Liquids -- 3.4 Tunability and Basicity of Ionic Liquids. , 3.5 Nonvolatility of Ionic Liquids -- 3.6 Conclusions -- References -- Chapter 4: Ionic Liquid Crystals -- 4.1 Introduction -- 4.2 Ionic Liquid Crystals Based on Organic Cationsand Anions -- 4.2.1 Imidazolium-Based Ionic Liquid Crystals -- 4.2.2 Pyrrolidinium-Based Ionic Liquid Crystals -- 4.2.3 Pyridinium and Bipyridinium-Based IonicLiquid Crystals -- 4.2.4 Morpholinium-, Piperazinium-, and Piperidinium-BasedIonic Liquid Crystals -- 4.2.5 Ammonium-Based Ionic Liquid Crystals -- 4.2.6 Guanidinium-Based Ionic Liquid Crystals -- 4.2.7 Phosphonium-Based Ionic Liquid Crystals -- 4.2.8 Anions -- 4.3 Ionic Liquid Crystals Based on Metal Ions -- 4.4 Polymeric Ionic Liquid Crystals -- 4.4.1 Main-Chain Ionic Liquid-Crystalline Polymers -- 4.4.2 Side-Chain Ionic Liquid-Crystalline Polymers -- 4.4.3 Dendrimers -- 4.5 Applications of Ionic Liquid Crystals -- 4.6 Conclusions -- References -- Chapter 5: Application of Ionic Liquids in Extraction and Separation of Metals -- 5.1 Introduction -- 5.2 Processing Metal Oxides and Ores with Ionic Liquids -- 5.2.1 Metal Oxides Processing -- 5.2.2 Mineral Processing -- 5.3 Electrodeposition of Metals Using Ionic Liquids -- 5.3.1 Electrodeposition of Aluminum -- 5.3.2 Electrodeposition of Magnesium -- 5.3.3 Electrodeposition of Titanium -- 5.4 Ionic Liquids in Solvent Extraction of Metal Ions -- 5.5 Conclusions -- References -- Chapter 6: Potential for Hydrogen Sulfide Removal Using Ionic Liquid Solvents -- 6.1 Introduction -- 6.2 Ionic Liquids as Physical Solvents for H 2 S Removal -- 6.3 Hybrid Solvents Comprising Ionic Liquids and Amines -- 6.4 Conclusions and Outlook -- References -- Chapter 7: Biocatalytic Reactions in Ionic Liquid Media -- 7.1 Introduction -- 7.2 Biocatalyst Tested in Ionic Liquids -- 7.2.1 Lipases -- 7.2.2 Esterases and Proteases -- 7.2.3 Glycosidases -- 7.2.4 Oxidoreductases. , 7.3 Effect of the Ionic Liquid Composition on the Activity and Stability of Enzymes -- 7.4 Biotransformation in Ionic Liquids -- 7.4.1 Synthesis of Flavour Esters -- 7.4.2 Biotransformations of Polysaccharides and Nucleotides -- 7.4.3 Synthesis of Biodiesel -- 7.4.4 Synthesis of Polyesters -- 7.4.5 Resolution of Racemates -- 7.4.6 Synthesis of Carbohydrates -- 7.5 Conclusions -- References -- Chapter 8: Ionic Liquids/Supercritical Carbon Dioxide as Advantageous Biphasic Systems in Enzymatic Synthesis -- 8.1 Introduction -- 8.2 Supercritical Carbon Dioxide in Enzymatic Synthesis -- 8.3 Ionic Liquids as Reaction Media in Enzymatic Synthesis -- 8.4 Supercritical Carbon Dioxide/Ionic Liquid Biphasic System in Enzymatic Synthesis -- 8.5 Conclusions -- References -- Chapter 9: Ionic Liquids as Lubricants -- 9.1 Introduction -- 9.2 Overview of Ionic Liquids (ILs) -- 9.2.1 Definition and Types of Ionic Liquids (ILs) -- 9.2.2 Relationship Between Molecular Structure and Properties of Ionic Liquids (ILs) -- 9.3 Common Ionic Liquids (ILs) as Lubricants -- 9.3.1 Ionic Liquids (ILs) as Lubrication Oils -- 9.3.1.1 Ionic Liquids (ILs) as Lubrication Oils for Fe Alloy/Steel or Steel/Steel Contacts -- 9.3.1.2 Ionic Liquids (ILs) as Lubrication Oils of Light Alloys -- 9.3.1.3 Ionic Liquids (ILs) as Lubrication Oils for Specific Contacts -- 9.3.1.4 Ionic Liquids (ILs) as Lubrication Oils Under Vacuum -- 9.3.2 Ionic Liquids (ILs) as Lubrication Additives -- 9.3.2.1 Ionic Liquids (ILs) as Water Additives -- 9.3.2.2 Ionic Liquids (ILs) as Mineral Oil Additives -- 9.3.2.3 Ionic Liquids (ILs) as Synthetic Oil and Lubrication Grease Additives -- 9.3.2.4 Ionic Liquids (ILs) as Polymer Material Additives -- 9.3.3 Additives of Ionic Liquid (IL) Lubricants -- 9.3.4 Thin Films -- 9.4 Function of Ionic Liquids (ILs) as Lubricants. , 9.4.1 Function of Ionic Liquids (ILs) as Lubrication Oils -- 9.4.2 Function of Ionic Liquids (ILs) as Additives or Thin Films -- 9.5 Lubrication Mechanism -- 9.6 Conclusions and Outlook -- References -- Chapter 10: Stability and Activity of Enzymes in Ionic Liquids -- 10.1 Introduction -- 10.1.1 Ionic Liquid in Reference to Its Origin -- 10.1.2 Ionic Liquid as a Solvent -- 10.1.3 Enzymes in Ionic Liquids -- 10.2 Enzyme Stability in Ionic Liquids -- 10.2.1 Stability of Lipases -- 10.2.2 Stability of Monellin -- 10.2.3 Stability of Cytochrome c -- 10.2.4 Stability of α -Chymotrypsin -- 10.2.5 Stability of Penicillin G Acylase -- 10.3 Methods of Stabilizing Proteins/Enzymes in Ionic Liquids -- 10.3.1 Stabilization by Ionic Liquid Coating -- 10.3.2 Stabilization by Anchoring with Carbon Nanotubes -- 10.3.3 Stabilization by Capping with Nanoparticles -- 10.3.4 Stabilization by Entrapment in Hydrogels -- 10.3.5 Stabilization by Enzyme Modification -- 10.3.6 Stabilization by Emulsification of Ionic Liquids -- 10.4 Catalytic Activity of Enzymes in Ionic Liquids -- 10.4.1 Biotransformations by Lipases and Esterases -- 10.4.1.1 Esterification and Transesterification Reaction -- 10.4.1.2 Enantioselective Hydrolysis Reaction -- 10.4.1.3 Enantioselective Acylation Reaction -- 10.4.1.4 Kinetic Resolution of Alcohols -- 10.4.2 Reactions Catalyzed by Proteases -- 10.4.3 Carbohydrate Synthesis by Glycosidases -- 10.4.4 Hydrocyanation Reaction by Lyases -- 10.4.5 Biocatalytic Redox Reactions by Oxidoreductases -- 10.4.6 Enzymatic Polymerization Reaction in Ionic Liquids -- 10.5 Stability/Activity Vis-à-vis Solvent Property of Ionic Liquids: A Structure-Activity Relationship (SAR) Analysis -- 10.6 Conclusions -- References -- Chapter 11: Supported Ionic Liquid Membranes: Preparation, Stability and Applications -- 11.1 Introduction. , 11.2 Methods of Preparation and Characterization of Supported Ionic Liquid Membranes -- 11.3 Stability of Supported Ionic Liquid Membranes -- 11.4 Mechanism of Transport Through Supported Ionic Liquid Membranes -- 11.5 Fields of Application of Supported Liquid Membranes -- 11.6 Conclusions -- References -- Chapter 12: Application of Ionic Liquids in Multicomponent Reactions -- 12.1 Introduction -- 12.1.1 Ionic Liquids Based on 1-Butyl-3-methylimidazolium -- 12.1.1.1 1-Butyl-3-methylimidazolium -- 12.1.1.2 1-Butyl-3-methylimidazolium Hexafluorophosphate -- 12.1.1.3 1-n-Butyl-3-methylimidazolium Bromide -- 12.1.1.4 Butyl Methyl Imidazolium Hydroxide -- 12.1.1.5 Other 1-Butyl-3-methylimidazolium-Based Ionic Liquids -- 12.1.2 Other Imidazole-Based Ionic Liquids -- 12.1.2.1 Ionic Liquid-Supported Iodoarenes -- 12.1.2.2 1,3- n -Dibutylimidazolium Bromide -- 12.1.2.3 1- n -Butylimidazolium Tetrafluoroborate -- 12.1.2.4 1-Ethyl-3-methylimidazole Acetate -- 12.1.2.5 An Acidic Ionic Liquid -- 12.1.2.6 Task-Specific Ionic Liquids -- 12.1.2.7 1-Methyl-3-heptyl-imidazolium Tetrafluoroborate -- 12.1.2.8 1-[2-(Acetoacetyloxy)ethyl]-3-methylimidazolium Hexafluorophosphate-Bound Acetoacetate -- 12.1.2.9 1-[2-(Acetoacetyloxy)ethyl]-3-methylimidazolium Tetrafluoroborate- or Hexafluorophosphate-Bound b -oxo Esters -- 12.1.2.10 1-(2-Hydroxyethyl)-3-methylimidazolium Tetrafluoroborate or Hexafluorophosphate and N -(2-Hydroxyethyl)pyridinium Tetrafluoroborate or Hexafluorophosphate -- 12.1.2.11 PEG-1000-Based Dicationic Acidic Ionic Liquid -- 12.1.2.12 1-Ethyl-3-methylimidazolium ( S)-2-Pyrrolidinecarboxylic Acid Salt -- 12.1.2.13 1-Methyl-3-pentylimidazolium Bromide -- 12.1.2.14 3-Methyl-1-sulfonic Acid Imidazolium Chloride -- 12.1.3 Other Ionic Liquids -- 12.2 Conclusions -- References. , Chapter 13: Ionic Liquids as Binary Mixtures with Selected Molecular Solvents, Reactivity Characterisation and Molecular-Microscopic Properties.