Chemistry 331: Lecture Outlines for Exam 3 Chapter 7: Stereochemistry Enantiomers Chirality Optical activity Absolute configuration: R and S Fischer projections Reactions that create a chiral center Compounds Containing Two or More Chiral Centers Diastereomers and enantiomers Meso compounds Stereoisomers in substituted cyclohexanes Reactions that produce diastereomers Resolution of Enantiomers Chapter 8: Nucleophilic Substitution Nucleophilic Substitution Functional group transformation Leaving groups Two mechanisms SN2 Mechanism Kinetics Stereochemistry Mechanism Steric effects Nucleophiles and nucleophilicity SN1 Mechanism Kinetics Carbocation stability Stereochemistry Solvent effects Substitution vs Elimination Substitutions of Alcohols Sulfonate esters Reaction with HX Chapter 9: Alkynes Nomenclature Structure/Properties Structure Acidity of terminal alkynes Preparation of Alkynes Alkylation of terminal alkynes Elimination of dihalides Reactions of Alkynes Hydrogenation Metal-ammonia reduction Hydration Addition of halogens Ozonolysis © Copyright 2008, University of Colorado at Colorado Springs