109 Ketones from Ozonolysis Ozonolysis of alkenes yields ketones if one of the unsaturated carbon atoms is disubstituted CHo 1.0 2.Zn/H30 +CH20 CH. CH 70% @2004 Thomson/Brooks ColeKetones from Ozonolysis • Ozonolysis of alkenes yields ketones if one of the unsaturated carbon atoms is disubstituted p. 109