Common Names for Ketones Named as alkyl attachments to-C=O. Use Greek letters instead of numbers. O CH3-C-CH-CH3 CH3CH-C-CH-CH3 CH3 Br CH3 methyl isopropyl ketone a-bromoethyl isopropyl ketone Chapter 18 8Chapter 18 8 Common Names for Ketones ▪ Named as alkyl attachments to —C═O. ▪ Use Greek letters instead of numbers. methyl isopropyl ketone a-bromoethyl isopropyl ketone CH3 C O CH CH3 CH3 CH3CH C O CH CH3 CH3 Br