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Q: Organic Chemistry ( No Answer,   1 Comment )
Question  
Subject: Organic Chemistry
Category: Science > Chemistry
Asked by: greatone100-ga
List Price: $2.00		 Posted: 03 Mar 2003 05:01 PST
Expires: 04 Mar 2003 16:02 PST
Question ID: 169947 
Why can't 4-bromonitrobenzene be prepared efficiently by the
bromination of nitrobenzene?
Answer  
There is no answer at this time.

Comments  
Subject: Re: Organic Chemistry
From: stantheman-ga on 04 Mar 2003 15:05 PST		  
A nitro group is strongly electron withdrawing, particularly from the
ortho and para positions of the benzene ring. The meta position is
less deactivated than the other two, and addition to a benzene ring
occurs preferentially at the 3-position.
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