Hydration of Alkenes With Aqueous Acid
Hydration of Alkenes to Give Alcohols When alkenes are treated with aqueous acid (H3O+) they can be converted to alcohols. Formation of the new C-OH
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Halogenation of Alkenes and Halohydrin Formation
Bromination, Chlorination, and Halohydrin Formation from Alkenes Alkenes undergo halogenation when treated with Cl2, Br2 and (less commonly) I2 to give vicinal dihalides These reactions
Read morem-CPBA (meta-chloroperoxybenzoic acid)
m-Chloroperoxybenzoic Acid (m-CPBA) For The Epoxidation of Alkenes m-CPBA (meta-chloroperoxybenzoic acid) is a useful reagent for the formation of epoxides from alkenes (note – often
Read moreOsO4 (Osmium Tetroxide) for Dihydroxylation of Alkenes
Osmium tetroxide, OsO4 Osmium tetroxide (OsO4) is a useful reagent for the dihydroxylation of alkenes The products of these reactions are 1,2-diols (“vicinal” diols), where the two
Read morePalladium on Carbon (Pd/C) for Catalytic Hydrogenation of Alkenes
Catalytic Hydrogenation of Alkenes With Pd/C (And Friends) Alkenes (and alkynes) will undergo addition of hydrogen (H2) in the presence of a metal catalyst such
Read moreCyclopropanation of Alkenes
Cyclopropanation of Alkenes Alkenes can undergo addition reactions from carbenes to give cyclopropanes. There are three main pathways for this reaction that are generally covered in introductory
Read moreAlkene Addition Pattern #2: The “Three-Membered Ring” Pathway
The “Three-Membered Ring” Pathway In Alkene Mechanisms: Halogenation, Oxymercuration, Halohydrin Formation, and Acidic Epoxide Opening In the last post we walked through a proposal for
Read moreElimination Reactions (2): The Zaitsev Rule
Elimination Reactions: The Zaitsev Rule Elimination reactions usually occur such that they are removing a hydrogen from the carbon attached to the fewest hydrogens. This
Read moreThe E1 Reaction
The E1 Reaction – Three Key Pieces of Evidence, and a Mechanism Last time in this walkthrough on elimination reactions, we talked about two types
Read moreBulky Bases in Elimination Reactions
Elimination Reactions Using “Bulky Bases” – When The Zaitsev Product Is Minor We’ve recently talked about Zaitsev’s rule in elimination reactions, and how the transition
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