sulfuric acid; copper(II) sulfate; xylene Diazotization;

1: concentrated H2SO4; HNO3 2: platinum; methanol / Hydrogenation 3: aqueous H2SO4; aqueous CuSO4-solution; xylene / Diazotization View Scheme

1: platinum; methanol / Hydrogenation 2: aqueous H2SO4; aqueous CuSO4-solution; xylene / Diazotization View Scheme

1: thionyl chloride; diethyl ether; ammonia 2: aqueous alkaline sodium hypobromite 3: aqueous H2SO4; aqueous CuSO4-solution; xylene / Diazotization View Scheme

1: concentrated aqueous HCl / Diazotization.anschliessende Behandlung mit NaBF4 und Erhitzen des erhaltenen Diazonium-tetrafluoroborats unter vermindertem Druck 2: concentrated H2SO4; HNO3 3: platinum; methanol / Hydrogenation 4: aqueous H2SO4; aqueous CuSO4-solution; xylene / Diazotization View Scheme

1: platinum / Hydrogenation 2: concentrated aqueous HCl / Diazotization.anschliessende Behandlung mit NaBF4 und Erhitzen des erhaltenen Diazonium-tetrafluoroborats unter vermindertem Druck 3: concentrated H2SO4; HNO3 4: platinum; methanol / Hydrogenation 5: aqueous H2SO4; aqueous CuSO4-solution; xylene / Diazotization View Scheme

1: aqueous alkaline sodium hypobromite 2: aqueous H2SO4; aqueous CuSO4-solution; xylene / Diazotization View Scheme

1: ethanolic KOH-solution 2: thionyl chloride; diethyl ether; ammonia 3: aqueous alkaline sodium hypobromite 4: aqueous H2SO4; aqueous CuSO4-solution; xylene / Diazotization View Scheme