ORGANIC CHEMISTRY Chapter 8 =C A-B A-C-C-B Electrophilic addition H-X H-C-C-X H-OSO3H H-C-C-OSO,H C=C H-OH H-C-C-OH HA X-X X-C-C-X Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 8 C C X X H OSO3H H OH H X H C C X H C C OSO3H H C C OH X C C X HA C C + A B A C C B Electrophilic addition