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Arene Substitution Watch

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    Hey, I understand why activating groups cause ortho/para substitution, but not why deactivating groups cause meta-substitution.

    I've drawn the ortho and meta intermediates for the nitration of nitrobenzene but I can't see any obvious reasons as to why meta is preferred? Would appreciate some help thanks.
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    (Original post by GlibByNature)
    Hey, I understand why activating groups cause ortho/para substitution, but not why deactivating groups cause meta-substitution.

    I've drawn the ortho and meta intermediates for the nitration of nitrobenzene but I can't see any obvious reasons as to why meta is preferred? Would appreciate some help thanks.
    http://www.wavesignal.com/O_Chem/Aromatics_3.htm
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    Thanks, nice website as well.
 
 
 
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