Friedel-crafts Study guides, Class notes & Summaries

Diagrams showing the synthesis pathways of aromatic compounds, including benzene and phenols. Reagents, conditions and reaction type are colour coordinated (E.S = electrophilic substitution, N.A = nucleophilic addition)

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Chapter 18 EAS Questions and Answers 100% correct Electrophilic Aromatic Substitution -reaction in which an electrophile is substituted for a hydrogen on an aromatic ring -many different types of EAS reactions based on what functional group replaces the hydrogen Alkene vs Benzene Alkenes undergo addition reactions but Benzenes react differently under similar reagents. Don't confuse the two, one is Aromatic and the other isn't. Aromatic Requirements The organic structure must...

this document contains the Electrophilic Aromatic Substitution (Aromatic compounds) Ar-H = aromatic compound 1. Nitration 2 sulfonation 3 halogenation 4 friedel-crafts alkylation Substituent groups on a benzene ring affect electrophilic aromatic substitution reactions in two ways: reactivity activate (faster than benzene) or deactivate (slower than benzene) orientation ortho- + para- direction or meta- direction

Every AQA A-level Chemistry A2 mechanism summarised

In depth notes involving benzene reactions

An introduction to heterocycles with examples of aromatic and non-aromatic heterocycles and how the aromaticity is formed in the 5 and 6 membered heterocycles. It then goes on to look at the reactions of 5 membered heterocycles including Friedel Crafts, Mannich reaction and Vilsmeir Reaction. This is further developed by looking at how they react when already substituted and how resonance forms explain their selectivity. Metallation and reduction reactions are looked at. How to synthesise hetero...

Most notes are types and structure drawn with chemdraw, some mechanism, and quite cheat sheet are shown in neat handwriting produced on ipad. Most reactions show detailed step-wise mechanism (with electron transfer arrows) Material covered are as shown below Aromaticity: Aromatic, non-aromatic, anti-aromatic Benzylic reactivity: SN1, SN2, Bromination (radical), Chemoselective oxidation Electrophilic aromatic substitution (EAS): halogenation, other activating agents, Friedel-Crafts Rearrangement ...

Notes on the types of carbocations and their relative reactivity, their reactions including rearrangements and shifts, how readily they will migrate. Reactions of benzene including Fiedel Crafts alkylation and acylation, nitration, sulfonation. A look at further substitution and the impact of resonance, inductive effects and steric factors at controlling additional substitution. Ways to form substituted aromatics are then given including Diels Alder and carbonyl condensation. A few reactions of ...

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