ORGANIC CHEMISTRY Chapter 17 17.7c Direct Alkylation of Ketones via Lithium enolate CH CH CH LDA CH3-I CH DME C6HsCH2-Br CH CH2C6H5 Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 17 17.7C Direct Alkylation of Ketones via Lithium Enolate O CH3 LDA DME O CH3 Li CH3 I O CH3 CH3 C6H5CH2 Br O CH3 CH2C6H5