Fri April 01, 2011 By: Aarohi Kc

What is methylation and acetylation?

Expert Reply
Sun April 03, 2011
Dear Student
Methylation is the addition of a methyl group to a substrate or the substitution of an atom or group by a methyl group.
 Similarly, acetylation is a process which introduces an acetyl functional group into achemical compound. (Deacetylation is the removal of the acetyl group.). 
 A reaction involving the replacement of the hydrogen atom of an hydroxyl group with an acetyl radical (CH3CO) to yield a specific ester, the acetate. Acetic anhydride is commonly used as an acetylating agent reacting with free hydroxyl groups. 
We hope that clarifies your query.
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