1: 53.4 percent / p-toluenesulfonic acid / 1,2-dichloro-ethane / 48 h / 70 °C 2: 95.9 percent / 0.1 M sodium methoxide / methanol / 2.5 h / Ambient temperature 3: 75 percent / hydrogen / 10 percent palladium-on-carbon / acetic acid / 20 h / 2587.7 Torr / Ambient temperature View Scheme

1: 53.4 percent / p-toluenesulfonic acid / 1,2-dichloro-ethane / 48 h / 70 °C 2: 95.9 percent / 0.1 M sodium methoxide / methanol / 2.5 h / Ambient temperature 3: 75 percent / hydrogen / 10 percent palladium-on-carbon / acetic acid / 20 h / 2587.7 Torr / Ambient temperature View Scheme

1: 2-methyl-(2-acetamido-3,4,6-tri-O-acetyl-1,2-dideoxy-β-D-glucopyrano)-lt;2,1-dgt;-2-oxazoline With copper dichloride in toluene 2: isopropyl alcohol in chloroform T=62°C; 2.25 h; Sealed tubeInert atmosphere;