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Acetylation of para-Aminophenol
Aims
To synthesise para-hydroxyacetanilide by the acetylation of para-aminophenol. ... 0cm3) was added to a suspension of para- aminophenol (5. ... The results produced are as follows:
Mass of the starting product (para-aminophenol) = 5. ... 9g
Molecular weight of para-aminophenol = 109 mols
Molecular weight of para-hydroxyacetenalide = 151 mols
100% yield is calculated as 5. ...
The melting point of the para-aminophenol was 188 - 190°C. It is noted that the melting point of the para-hydroxyacetenalide is lower than that of para-aminophenol; this is because the hydrogen bonding which occurs, is less when an NH2 is substituted for a NHCOCH3. ...
Ethanoic anhydride is an acetylating agent that it reacts with the amine group of the para-aminophenol. A nucleophilic substitution reaction occurs in which one of the hydrogens in the amine group is removed, being replaced with CH3CO, thus producing the product para-hydroxyacetanilide.
Approximate Word count = 667
Approximate Pages = 2.7
(250 words per page double spaced)
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