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ortho and para directors
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ccj:
just wanna ask. is there any other ortho and para directors besides the alkyl group and amine?
is -OH group an ortho and para director?
movies:
Anything that can donate electron density to the aromatic system will be an ortho/para director. So yes, OH is an ortho/para directing group, it's actually the best there is. In many cases it activates the aromatic system so much that you can't stop the reaction after a single addition and it ends up going two or three times even under mild reaction conditions.
If I recall correctly, then halides are also ortho/para directing groups, but they actually deactivate the aromatic ring.
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