1: N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating; Irradiation 2: 0.75 h / 145 - 150 °C 3: hydrogen / Adams catalyst / methanol / 3 h / 3040 Torr 4: 3.1 g / 10 M hydrochloric acid / 10 h / Heating 5: 98percent sulfuric acid, sodium azide / CHCl3 / 20 °C View Scheme

1: 89 percent / diisobutylaluminum hydride / toluene / 1 h / -5 - 20 °C 2: 90 percent / methanesulfonyl chloride; Et3N / CH2Cl2 / 0 - 20 °C View Scheme

1: N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating; Irradiation 2: 0.75 h / 145 - 150 °C 3: hydrogen / Adams catalyst / methanol / 3 h / 3040 Torr 4: 0.55 g / 10 M hydrochloric acid / 10 h / Heating View Scheme

1: 88 percent / NBS; AIBN / CCl4 / 10 h / Heating 2: 77 percent / NaN3 / ethanol; H2O / 8 h / Heating 3: NaBH4; [4(S)-Ph-oxazolidin-2-ylidene][4(S)-Ph-2-oxazolin-2-yl](CN)C / CoCl2*6H2O / ethanol; dimethylformamide / 24 h / 25 °C 4: aq. HCl / 16 h / 100 °C View Scheme