First slide
Benzene
Question

 

What products are formed when the following compound  is treated with Br2 in the presence of FeBr3 ?

Difficult
Solution

-CH3groyup is O,p -directing. Because of crowding ,no substition occurs at the carbon atom between the two

-CH3groups in m - xylene, even though two CH3 groups

activate that position.

 

 

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