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Topic: how to determine where a 3rd substituent added to substituted benzene?  (Read 947 times)

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Offline AussieKenDoll

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how to determine where a 3rd substituent added to substituted benzene?
« on: August 11, 2020, 12:31:02 PM »
There is a Toluene which has a -NHCOCH3 on the para position and if we react it with Br2 , FeCl3 to give a Br substituent ,where does this Br added to?
Does it added to the ortho position next to Methyl group? Or generally how it determined?
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Offline AWK

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Re: how to determine where a 3rd substituent added to substituted benzene?
« Reply #1 on: August 11, 2020, 12:46:23 PM »
No catalyst is needed. Practically one isomer is formed.
http://www.orgsyn.org/demo.aspx?prep=CV1P0111
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Offline hollytara

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Re: how to determine where a 3rd substituent added to substituted benzene?
« Reply #2 on: August 12, 2020, 06:27:52 PM »
The substituents are in competition - the more activating one wins.
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