4-nitrophenol 2,4,6 tribromophenol Excess Br2

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Presentation transcript:

4-nitrophenol 2,4,6 tribromophenol Excess Br2 Electrophilic substitution Dilute Nitric acid Phenol Nitration – electrophilic substitution NaOH at room temperature Neutralisation Na Redox 2-nitrophenol Sodium phenoxide

Aminobenzene Nitrobenzene Methylbenzene Benzene Bromobenzene Bromination– electrophilic substitution Reduction Aminobenzene Nitrobenzene [H] Tin + conc HCl in reflux (NaOH at end) Methylbenzene 50°C + concentrated nitric acid and concentrated sulphuric acid catalyst Haloalkane + halogen carrier in reflux (anhydrous for Cl) Electrophilic substitution - nitration Alkylation – electrophilic substitution Excess of Bromine 3Br2 + Halogen Carrier (FeBr3) Acyl chloride + halogen carrier in reflux (anhydrous for Cl) Br2 + Halogen Carrier (FeBr3) Benzene Bromobenzene Phenyl ethanone Electrophilic substitution – bromination/halogenation Acylation NaBH4 [H] Electrophilic substitution – chlorination/halogenation Reduction Cl2 + Halogen Carrier (FeCl3) Phenyl ethanol Chlorobenzene