ORGANIC CHEMISTRY Chapter 13 2-addition CH=CH-CH-CH HCI CH2=CH-CH=CH, 25C 78% CI H CH-CH=CH-CH 4-addition 22% Mechanism H-CI CH,=CH-CH=CH, + CH2=CH—CH-CH3-CH2CH=CH—CH2 CH2=CH-CH--CH3 CICH2-CH=CH一CH3 Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 13 CH2 CH CH CH2 CH2 CH CH CH2 Cl CH2 CH CH CH2 Cl 1,2-addition 1,4-addition HCl H H 25°C 78% 22% 4 3 2 1 CH2 CH CH CH2 H Cl Mechanism Mechanism CH2 CH CH CH3 CH2 CH CH CH3 Cl CH2 CH CH CH3 Cl Cl ClCH2 CH CH CH3