Why is acetylation of aniline done before nitration?
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So that we dont get the mixture of ortho para and meta substitution gps.....by acetylation we protect aniline mainly NH2 gp becoz its very reactive......
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The hurdles for the nitration of aniline are overcome by the protection of amino group by acetylation. The acetyl group reduces the reactivity of the ring and thus its oxidation does not occur easily with nitric acid HNO3.
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