ORGANIC CHEMISTRY Chapter 8 Electrophiles Are Lewis Acids A-B+C=C、 C-C Electrophile Nucleophile Carbocation B Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 8 Electrophiles Are Lewis Acids A B + C C C C A + B C C A B Electrophile Nucleophile Carbocation