PowerPoint Presentation: Cyclisation By Intra Molecular Addition Of Nucleophiles To Other Double Bonds. The compounds other than carbonyl groups with double bonds include those with activated C S and C N groups that act as electrophiles. These are also exo trig type of cyclisation reactions Name-Reaction.com is your go-to source for Organic Chemistry Reactions. Beautiful, Clear, and Detailed Mechanisms make Learning Organic Chemistry Easier than ever. Redox reactions are matched sets: if one species is oxidized in a reaction, another must be reduced. Keep this in mind as we look at the five main types of redox reactions: combination, decomposition, displacement, combustion, and disproportion. 5. Organic Spectrometry II. Reactions, Mechanisms, Multiple Bonds 6. Organic Reactions *(Not yet Posted) 7. Reactions of Haloalkanes, Alcohols, and Amines. Nucleophilic Substitution 8. Alkenes and Alkynes 9. Formation of Alkenes and Alkynes. Elimination Reactions 10. Alkenes and Alkynes. Addition Reactions 11.