o, m, p-directors

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Author:
XQWCat
ID:
207654
Filename:
o, m, p-directors
Updated:
2013-03-16 13:39:12
Tags:
orgo 12
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Description:
classification of substituents in electrophilic aronatic substitution reactions
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  1. -NH2
    • amino, very strongly activating
    • ortho, para-director
  2. -NHR
    • alkylamino, very strongly activating
    • ortho, para-director
  3. -NR2
    • dialkylamino, very strongly activating
    • ortho, para-director
  4. -OH
    • hydroxyl, very strongly activating
    • ortho, para-director
  5. -NHC(=O)R
    • acylamino, strongly activating
    • ortho, para-director
  6. -OR
    • alkoxy, strongly activating
    • ortho, para-director
  7. -OC(=O)R
    • acyloxy, strongly activating
    • ortho, para-director
  8. -R
    • alkyl, activating
    • ortho, para director
  9. -Ar
    • aryl, activating
    • ortho, para director
  10. -CH=CR2
    • alkenyl, activating
    • ortho, para director
  11. -H
    • hydrogen.  Standard of comparison. 
    • Not a director. 
  12. -X (F, Cl, Br, I)
    • halogen, deactivator
    • ortho-para director
  13. -CH2X
    • halomethyl, deactivator
    • ortho-para director
  14. -C(=O)H
    • formyl, strongly deactivating
    • meta director
  15. -C(=O)R
    • acyl, strongly deactivating
    • meta director
  16. -C(=O)OH
    • carboxylic acid, strongly deactivating
    • meta director
  17. -C(=O)OR
    • ester, strongly deactivating
    • meta director
  18. -C(=O)Cl
    • acyl chloride, strongly deactivating
    • meta director
  19. -C=N
    • cyano, strongly deactivating
    • meta director
  20. SO3H
    • sulfonic acid, strongly deactivating
    • meta director
  21. -CF3
    • trifluromethyl, very strongly deactivating
    • meta director
  22. -NO2
    • nitro, very strongly deactivating (won't even happen)
    • meta director

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