Paracyclophane via a 1,6-Hofmann Elimination

The Hofmann elimination is a classic route to olefins via alkylammonium hydroxides from amines. In the present instance it is employed in the generation of / -xylylene, a 

Caution This preparation should be conducted in a hood to avoid exposure to trimethyl-amine and to ct-bromo-p-xylene. 

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