Computational Approaches for the Prediction of pKa Values

ISBN: 9781138199910 出版年：2013 页码：164 Shields, George C Seybold, Paul G CRC Press

Introduction Absolute pKa Calculations Thermodynamic Cycles Gas Phase Gibbs Free Energy Calculations Solvation Gibbs Free Energy Calculations Pitfalls and Lessons from the Literature Concluding Remarks on Absolute pKa Calculations Relative pKa Calculations Quantitative Structure-Acidity Relationships (QSARs) Basic Principles of the QSAR approach Hammett and Taft Constants The Search for Useful Quantum Chemical Descriptors Alternative Approaches Commercial and Free Programs Oxyacids and Related Compounds Alcohols, Phenols, and Carboxylic Acids Phosphonic Acids Hydroxamic Acids and Oximes Silanols Thiols Nitrogen Acids Aliphatic Amines Anilines Azoles and Some Other Heterocyclics Amino Acids Pyridines and Related Heterocyclics Purines and Pyrimidines Additional Types of Acids Carbon Acids Inorganic Acids Polyprotic Acids Superacids Excited State Acids Acids in Non-aqueous Solvents Deuterium Oxide Dimethyl Sulfoxide Acetonitrile Tetrahydrofuran 1,2-Dichloroethane Other Solvents and Commentary Additional Factors Influencing Acidity and Basicity Thermodynamics Temperature Effects on Acidity Steric Effects and Hydrogen Bonding Isotope Effects Conclusions