This substance, first reported in 1972, is a powerful Lewis acid.

Reactions may be thermal or involve the use of a Lewis acid.

In the presence of particularly strong Lewis acids, transmetalation may occur before addition.

Lewis acids should be distilled immediately before use for best results.

More than about 1.2-1.4 equivalents of Lewis acid are rarely needed.

Lewis acids are used to catalyse a wide variety of reactions.

Should water be considered a Lewis acid or not?

In this concept, a Lewis acid can accept and bind electrons.

This also presents an opportunity to illustrate Lewis acids and bases if you choose.

It is a Lewis acid and has been used in organic synthesis.