Stereochemical and Stereophysical Behaviour of Macrocycles

Introduction to Volume 2Contributors to this VolumeChapter 1 Stereochemistry of Metallic Macrocyclics 1. Introduction 1.1. Historical Survey 1.2. Chemical Classification 1.3. Molecular Conformation 2. The Conformation of Chemical Rings 2.1. Small Ring Systems 2.2. Large Rings 2.3. Macrocyclic Rings 3. The Structure of Macrocyclics 3.1. Small-Ring Macrocyclics 3.2. Medium-Sized Macrocyclics 3.3. Large Macrocyclics 3.4. Larger Macrocyclics 4. Steric Effects of Coordination Geometry 5. Conclusion Acknowledgments ReferencesChapter 2 Thermodynamic and Stereochemical Aspects of the Macrocyclic and Cryptate Effects 1. Introduction 1.1. The Macrocyclic and Cryptate Effect 2. Cation-Ligand Interactions 3. Experimental Methods 4. Solvent Effects Upon Complex Formation 5. Complex Formation with Different Noncyclic Ligands with Various Cations 5.1. Noncyclic Polyethers 5.2. Noncyclic Ligands Containing Different Donor Atoms 6. Macrocyclic Ligands 6.1. Crown Ether Complexes 6.2. Influence of Structural Changes of the Ligand Upon Complex Formation 6.3. Benzo-Crown Ether complexes 6.4. Keto-Crown Ether Complexes 7. Macrocyclic and Macrobicyclic Ligands with Different Donor Atoms 7.1. Thia Crown Ethers and their Complexes 7.2. Aza Crown Ethers and Cryptands 8. Complexes of Aza Crown Ethers and Cryptands 8.1. Alkali Ion Complexes 8.2. Alkaline-Earth Ion Complexes 8.3. Silver Ion Complexes 8.4. Lead Ion Complexes 8.5. Copper, Cobalt and Nickel Ion Complexes 9. Conclusion Acknowledgments ReferencesChapter 3 Stereochemical Aspects of Macrocyclic Complexes of Transition Metal Ions 1. Introduction 2. Copper and Nickel 3. Silver and Gold 4. Palladium and Platinum 5. Rhodium and Iridium 6. Manganese and Chromium 7. Niobium and Tantalum 8. Molybdenum and Tungsten 9. Technetium and Rhenium 10. Ruthenium and Osmium ReferencesSubject Index