Common Names R for Ketones Named as alkyl attachments to -C=O. Use Greek letters instead of numbers. 0 em t cu-cu CHCH-C-CH-CHs CH3 Br CH3 methyl isopropyl ketone a-bromoethyl isopropyl ketone Chapter 18 9Chapter 18 9 Common Names for Ketones • Named as alkyl attachments to -C=O. • Use Greek letters instead of numbers. CH3 C O CH CH3 CH3 CH3CH C O CH CH3 CH3 Br methyl isopropyl ketone a-bromoethyl isopropyl ketone =>