Each of the following compounds has been prepared from p-nitroaniline. Outline a reasonable series of steps leading to each one.
(a) p-Nitrobenzonitrile
(b) 3,4,5-Trichloroaniline
(c) 1,3-Dibromo-5-nitrobenzene
(d) 3,5-Dibromoaniline
(e) p-Acetamidophenol (acetaminophen)