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Topic: Why is 2,4-dinitrotoluene a major product...  (Read 2735 times)

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Offline cshipman

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Why is 2,4-dinitrotoluene a major product...
« on: June 28, 2010, 12:42:54 PM »
Why is 2,4 dinitrotoluene a major product when a second nitro group is added to p-nitrotoluene???

Offline Jorriss

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Re: Why is 2,4-dinitrotoluene a major product...
« Reply #1 on: June 28, 2010, 12:59:03 PM »
The methyl group on the toluene is an ortho-para activator so in electrophilic aromatic substitution, new groups will be directed towards either the ortho or para positions. Nitro is a meta director.

The effects of the nitro and methyl group stack directing further nitro groups to the 2 spot.

Offline cshipman

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Re: Why is 2,4-dinitrotoluene a major product...
« Reply #2 on: June 28, 2010, 04:04:17 PM »
thank you so much!!!! :)

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