ORGANIC CHEMISTRY Chapter 17 17.7A Regioselective Formation of Enolate anions H H H weak base CH3 H CHS-CHSL H protic solvent H Kinetic Thermodynamic (less stable enolate) (more stable enolate H [(CH3)2C]N Li H H CH H CH Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 17 17.7A Regioselective Formation of Enolate Anions O CH3 H H H O CH3 H H O CH3 H H Kinetic (less stable enolate) Thermodynamic (more stable enolate) weak base protic solvent O CH3 H H H [(CH3)2C]2N Li O CH3 H H Li