Electrophilic aromatic substitution (SEAr) is an organic reaction in which an atom that is attached to an aromatic system (usually hydrogen) is replaced...
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compounds can undergo electrophilic substitution as well. In electrophilic substitution in aromatic compounds, an atom appended to the aromatic ring, usually...
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Electrophiles are involved in electrophilic substitution reactions, particularly in electrophilic aromatic substitutions. In this example, the benzene...
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In electrophilic aromatic substitution reactions, existing substituent groups on the aromatic ring influence the overall reaction rate or have a directing...
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A nucleophilic aromatic substitution (SNAr) is a substitution reaction in organic chemistry in which the nucleophile displaces a good leaving group, such...
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the same ring position in an intermediate compound in an electrophilic aromatic substitution. Trimethylsilyl, tert-butyl, and isopropyl groups can form...
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flame, due to high C:H ratio Undergo electrophilic substitution reactions and nucleophilic aromatic substitutions Arenes are typically split into two categories...
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Electrophilic attack to an aromatic system results in electrophilic aromatic substitution rather than an addition reaction. Typical electrophilic additions...
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to prevent electrophilic aromatic substitution. They can also be installed as directing groups to affect the position where a substitution may take place...
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chemistry, an electrophilic aromatic halogenation is a type of electrophilic aromatic substitution. This organic reaction is typical of aromatic compounds...
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Electron-withdrawing groups also tend to reduce Lewis basicity. Electrophilic aromatic substitution is famously affected by EWGs. The effect is transmitted by...
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seven years later by J. J. Thomson. Second, he is describing electrophilic aromatic substitution, proceeding (third) through a Wheland intermediate, in which...
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caused by substitution of anilines to become weaker bases, compared to substitution of isomers in the meta and para position. Electrophilic aromatic substitution...
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Nitration (redirect from Aromatic nitration)
or tetranitrated. The substituents on aromatic rings affect the rate of this electrophilic aromatic substitution. Deactivating groups such as other nitro...
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of aromatic compounds. It is toxic to humans. Relative to benzene, it is electron-rich. It thus participates more rapidly in electrophilic aromatic substitution...
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NO+2, which is important in nitration reactions involving electrophilic aromatic substitution. This type of reaction, where protonation occurs on an oxygen...
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Friedel–Crafts reaction (category Substitution reactions)
aromatic ring. Friedel–Crafts reactions are of two main types: alkylation reactions and acylation reactions. Both proceed by electrophilic aromatic substitution...
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cyclohexadienyl cation that appears as a reactive intermediate in electrophilic aromatic substitution. For historic reasons this complex is also called a Wheland...
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The Bischler–Napieralski reaction is an intramolecular electrophilic aromatic substitution reaction that allows for the cyclization of β-arylethylamides...
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of nitro groups in aromatic compounds retards electrophilic aromatic substitution but facilitates nucleophilic aromatic substitution. Nitro groups are...
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Directed ortho metalation (category Substitution reactions)
Directed ortho metalation (DoM) is an adaptation of electrophilic aromatic substitution in which electrophiles attach themselves exclusively to the ortho-...
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θ-Hexachlorocyclohexane Chlorination of benzene under electrophilic aromatic substitution conditions (Cl2/FeCl3 or Cl2/AlCl3) produces chlorobenzene...
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Sandmeyer reaction (category Substitution reactions)
complementary to electrophilic aromatic substitution. The Sandmeyer reaction is an example of a radical-nucleophilic aromatic substitution (SRNAr). The radical...
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Benzene (category Aromatic hydrocarbons)
common reactions of benzene involve substitution of a proton by other groups. Electrophilic aromatic substitution is a general method of derivatizing...
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associated with electrophilic aromatic substitution reactions and the products follow the arene substitution pattern. So, a given substituted phenyl compound...
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classic patterns of electrophilic aromatic substitution (for example, a meta nitro group inhibits the reaction), although substitution ortho to the amine...
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Chemical reaction (section Substitution)
reaction takes place almost exclusively in aromatic hydrocarbons, where it is called electrophilic aromatic substitution. The electrophile attack results in...
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Meta-selective C–H functionalization (section Meta-alkylation achieved by remote ortho-ruthenation and electrophilic-type substitution)
effect of substituents. Taking the well-known Friedel–Craft electrophilic aromatic substitution as example, electron donating groups direct the electrophile...
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(i) generation of arylmetal species by electrophilic aromatic substitution mechanism (common for electrophilic Pd, Pt, Au, Hg species), (ii) cleavage...
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Benzoic acid (section Aromatic ring)
benzoic acid can occur at either the aromatic ring or at the carboxyl group. Electrophilic aromatic substitution reaction will take place mainly in 3-position...
28 KB (2,436 words) - 23:31, 8 August 2024