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Homework Help: Attack of electrophile at para or ortho?

  1. Sep 30, 2014 #1
    attack of electrophile at para or ortho position of amine?S.ince para location is substituted with substituent so the ortho position of benzene H atom will be substituted .... My question is which one OH or NO2 determine the para or ortho position?? Why is it so?
  2. jcsd
  3. Sep 30, 2014 #2
  4. Nov 5, 2014 #3
    OH and NH2 is ortho and para director, NO2 is meta director for electrophile substitution.
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