1: 63 mg / tri-n-butyltin hydride / benzene / 0.5 h / Heating; further reagents 2: 99 mg / N-bromosuccinimide / acetic acid; acetic anhydride / 1 h 3: 59 mg / aq. sodium hydroxide / dioxane / 1.25 h View Scheme

hydrogen; palladium on activated charcoal in ethanol

1: 63 mg / tri-n-butyltin hydride / benzene / 0.5 h / Heating; further reagents 2: 250 mg / N-bromosuccinimide / 3 h View Scheme

1: 63 mg / tri-n-butyltin hydride / benzene / 0.5 h / Heating; further reagents 2: 0.76 g / aluminium chloride, lithium aluminium hydride / tetrahydrofuran; diethyl ether / 0.33 h / 0 °C 3: 2.87 g / bromine / acetic acid; acetic anhydride / 6 h 4: 268 mg / benzene / 8.5 h / Heating View Scheme

1: 63 mg / tri-n-butyltin hydride / benzene / 0.5 h / Heating; further reagents 2: 0.76 g / aluminium chloride, lithium aluminium hydride / tetrahydrofuran; diethyl ether / 0.33 h / 0 °C 3: 2.87 g / bromine / acetic acid; acetic anhydride / 6 h 4: 268 mg / benzene / 8.5 h / Heating 5: 207 mg / N-bromosuccinimide / acetic acid / 5 h View Scheme

1: 63 mg / tri-n-butyltin hydride / benzene / 0.5 h / Heating; further reagents 2: 0.76 g / aluminium chloride, lithium aluminium hydride / tetrahydrofuran; diethyl ether / 0.33 h / 0 °C 3: 2.87 g / bromine / acetic acid; acetic anhydride / 6 h 4: 268 mg / benzene / 8.5 h / Heating 5: 207 mg / N-bromosuccinimide / acetic acid / 5 h 6: 31 mg / aluminium chloride, lithium aluminium hydride / diethyl ether / 0.58 h / 20 °C View Scheme

1: 63 mg / tri-n-butyltin hydride / benzene / 0.5 h / Heating; further reagents 2: 99 mg / N-bromosuccinimide / acetic acid; acetic anhydride / 1 h View Scheme

1: 63 mg / tri-n-butyltin hydride / benzene / 0.5 h / Heating; further reagents 2: 0.76 g / aluminium chloride, lithium aluminium hydride / tetrahydrofuran; diethyl ether / 0.33 h / 0 °C 3: 900 mg / aluminium chloride / 96 h View Scheme

1: 63 mg / tri-n-butyltin hydride / benzene / 0.5 h / Heating; further reagents 2: 0.76 g / aluminium chloride, lithium aluminium hydride / tetrahydrofuran; diethyl ether / 0.33 h / 0 °C 3: 70 mg / aluminium chloride / 2 h 4: sodium cyanoborohydride, acetic acid / acetic anhydride / 2 h View Scheme

1: 63 mg / tri-n-butyltin hydride / benzene / 0.5 h / Heating; further reagents 2: 0.76 g / aluminium chloride, lithium aluminium hydride / tetrahydrofuran; diethyl ether / 0.33 h / 0 °C 3: 2.87 g / bromine / acetic acid; acetic anhydride / 6 h 4: 116 mg / 2M-aq. sodium hydroxide / dioxane / 2.75 h View Scheme