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Alkylation of aromatic compounds with al...

Alkylation of aromatic compounds with aliphatic compounds like halides in presence of Lewis acid catalyst is known as Friedel-Crafts alkylation. It is an exapmle of electrophilic substitution.

In the process of acylation, `R-overset(O)overset(||)C-` group is introduced to the ring. Compounds having (`+` mesomeric groups) like `-NH_(2)` do not give Friedel-Crafts reaction because these compounds undergo conjugation with the catalyst. In the alkylation process, most branched alkyl group is substituted because isomerisation of carbonium ion takes place. In some Friedel-Crafts reactions, the nature of product changes with the solvent used in the reaction.
Predict whether the following statements are ture or false:
Carbocations undergo isomerisation in Frieded-Crafts reaction. In each of the following alkyl halides the isomerisation takes place:
`CH_(3)-CH_(2)-CH_(2)-Cl`,
`CH_(3)-CH_(2)-CH_(2)-CH_(2)-Cl`
(a) True (b) False

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Alkylation of aromatic compounds with aliphatic compounds like halides in presence of Lewis acid catalyst is known as Friedel-Crafts alkylation. It is an exapmle of electrophilic substitution. In the process of acylation, R-overset(O)overset(||)C- group is introduced to the ring. Compounds having ( + mesomeric groups) like -NH_(2) do not give Friedel-Crafts reaction because these compounds undergo conjugation with the catalyst. In the alkylation process, most branched alkyl group is substituted because isomerisation of carbonium ion takes place. In some Friedel-Crafts reactions, the nature of product changes with the solvent used in the reaction. Predict whether the following statements are ture or false: Following compounds easily give Friedel-Crafts reaction: (a) True (b) False

Alkylation of aromatic compounds with aliphatic compounds like halides in presence of Lewis acid catalyst is known as Friedel-Crafts alkylation. It is an exapmle of electrophilic substitution. In the process of acylation, R-overset(O)overset(||)C- group is introduced to the ring. Compounds having ( + mesomeric groups) like -NH_(2) do not give Friedel-Crafts reaction because these compounds undergo conjugation with the catalyst. In the alkylation process, most branched alkyl group is substituted because isomerisation of carbonium ion takes place. In some Friedel-Crafts reactions, the nature of product changes with the solvent used in the reaction. Predict whether the following statements are ture or false: AlCl_(3) (aq.) is used as catalst in Frieded-Crafts reaction: (a) True (b) False

Friedel - Crafts alkylation

Alkylation of aromatic compounds with aliphatic compounds like halides in presence of Lewis acid catalyst is known as Friedel-Crafts alkylation. It is an exapmle of electrophilic substitution. In the process of acylation, R-overset(O)overset(||)C- group is introduced to the ring. Compounds having ( + mesomeric groups) like -NH_(2) do not give Friedel-Crafts reaction because these compounds undergo conjugation with the catalyst. In the alkylation process, most branched alkyl group is substituted because isomerisation of carbonium ion takes place. In some Friedel-Crafts reactions, the nature of product changes with the solvent used in the reaction. Predict whether the following statements are ture or false: When benzene is treated with CHCl_(3) in presence of AlCl_(3) catalyst, the following reaction takes place: (a) True (b) False

Alkylation of aromatic compounds with aliphatic compounds like halides in presence of Lewis acid catalyst is known as Friedel-Crafts alkylation. It is an exapmle of electrophilic substitution. In the process of acylation, R-overset(O)overset(||)C- group is introduced to the ring. Compounds having ( + mesomeric groups) like -NH_(2) do not give Friedel-Crafts reaction because these compounds undergo conjugation with the catalyst. In the alkylation process, most branched alkyl group is substituted because isomerisation of carbonium ion takes place. In some Friedel-Crafts reactions, the nature of product changes with the solvent used in the reaction. Predict whether the following statements are ture or false: Diphenyl methane is obtained when benzene is treated with dichloro methane is presence of anhydrous AlCl_(3) : (a) True (b) False

Friedel Craft Alkylation

Friedel Craft Alkylation

The Friedel-Crafts alkylation...