This plant uses a variation on the Friedel-Crafts reaction.

Ferric chloride is a well known catalyst in the Friedel-Crafts reaction.

Friedel-Crafts reactions have been used in the synthesis of several triarylmethane and xanthene dyes.

The Friedel-Crafts reaction can be performed either as an acylation or as an alkylation.

That aliphatic acid anhydrides effectively form ketones in the Friedel-Crafts reaction.

By means of a Friedel-Crafts reaction using aluminium chloride in dichloromethane a ketone was formed.

It finds application in the chemical industry as a catalyst for Friedel-Crafts reactions, both acylations and alkylations.

Thiobenzophenone can also be produced by a Friedel-Crafts reaction of thiobenzoyl chloride and benzene.

However, the Friedel-Crafts reaction between benzene and ethylene oxide may also be employed:

The first step is an amide coupling, while the second step is a Friedel-Crafts reaction.

Sulfonyl chlorides readily undergo Friedel-Crafts reactions with arenes giving sulfones.

Hydroarylation: basically a Friedel-Crafts reaction using metal-alkyne complexes.

Examples of acetylation reactions include acylation processes such as esterification (see below) and the Friedel-Crafts reaction.

Similarly, hydroquinone is highly susceptible to ring substitution by Friedel-Crafts reactions such as alkylation.

SnCl is used in Friedel-Crafts reactions as a catalyst for homogeneous alkylation and cyclisation.

Triphenylmethyl chloride is afforded by combining carbon tetrachloride and benzene in a Friedel-Crafts reaction.

Adamantane interacts with benzene in the presence of Lewis acids, resulting in a Friedel-Crafts reaction.

It can be prepared from phthalic anhydride and resorcinol in the presence of zinc chloride via the Friedel-Crafts reaction.

The aromaticity of the ligand is indicated by its ability to undergo Friedel-Crafts reactions, e.g. with acetyl chloride.

From benzene (Friedel-Crafts reaction)

Olah, however, managed to perform Friedel-Crafts reactions on these polychlorinated fullerenes, which showed that at least 22 phenyl groups had been substituted.

Ferric and aluminium chlorides are catalysts for the Friedel-Crafts reaction, but due to their low cost, they are often added in stoichiometric quantities.

Examples include olefin metathesis using Grubbs' catalyst, the Heck reaction, and Friedel-Crafts reactions.

In the general Friedel-Crafts reaction, an acyl chloride or alkyl halide reacts with an aromatic system as shown:

Triphenylmethane can be synthesized by Friedel-Crafts reaction from benzene and chloroform with aluminium chloride catalyst: