A Level Organic Chemistry: Reaction mechanisms - aromatic electrophilic alkylation
Revising Advanced Organic Chemistry Doc Brown's GCE Chemistry
Revision Notes PART 10 Summary of organic reaction mechanisms - A mechanistic introduction to organic chemistry and explanations of different types of organic reactions
Part 10.8 Aromatic Hydrocarbons - Arenes - Electrophilic substitution reactions - ALKYLATION
Part 10.8 AROMATIC HYDROCARBONS (ARENES) - introduction to arene electrophilic substitutions. Alkylation to give alkyl-aromatics like methylbenzene [Friedel-Crafts reaction]. The orientation of products in aromatic substitution (1,2-; 1,3-; and 1,4- positions for two substituents in the benzene ring, old names - ortho/meta/para substitution products). The revision notes include full diagrams and explanation of the mechanisms and the 'molecular' equation and reaction conditions and other con-current reaction pathways and products are also explained for the reaction mechanisms of aromatic hydrocarbons like benzene and methylbenzene.
Part 10.8 AROMATIC HYDROCARBONS (Arenes)
10.8.1 Introduction to the reactivity of aromatic compounds
e.g. the arenes benzene and methyl benzene
Why do aromatic hydrocarbon molecules primarily react via electrophilic substitution reaction?
10.8.4 The electrophilic substitution of an arene - alkylation mechanism (Friedel-Crafts reaction)
Organic synthesis of alkyl substituted aromatic compounds by reaction of halogenoalkanes (haloalkanes) with benzene/methylbenzene
mechanism 23 - electrophilic substitution by an alkyl group in the benzene ring
10.8.7 The orientation of products in aromatic electrophilic substitution reactions
keywords phrases: reaction conditions formula intermediates organic chemistry reaction mechanisms electrophilic substitution methylbenzene benzene C6H6 + R3C-Cl ==> C6H5-CR3 + HCl R' = CH3 electrophilic substitution alkylation methylbenzene C7H8: C6H5CH3 + R3C-Cl ==> R3C-C6H4CH3 + HCl benzene
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