ORGANIC CHEMISTRY Chapter 17 1.2-Addition C=C-C-O Nu N Simple addition C=C-C=O 1. 4-Addition -C-C=C-O Nu Conjugate addition Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 17 C C C O Nu 1,2-Addition 1,4-Addition C C C O Nu C C C O Nu Simple addition Conjugate addition