further chem
3.4.13 electrophilic substitution of benzene (HL) sear reactions
formation:
nitric acid, sulfuric acid (catalyst)
C1=CC=CC=C1-N(=O)[O-]nitrobenzene to phenylamine:
Sn/HCl (reducing), then NaOH to deprotonate to NH2 amine
or H2/Pt (reducing)
meta directing




similar mechanism