1.1: 1,1'-carbonyldiimidazole / acetonitrile / 1.5 h / -2 - 0 °C / Large scale
1.2: 5 h / 35 °C / Large scale
2.1: palladium-carbon; hydrogen / isopropyl alcohol / 30 h / 30 - 31 °C / 2585.81 - 11636.1 Torr / Large scale
3.1: diisobutylaluminium hydride / toluene / 6.5 h / -31 - -26 °C / Large scale
4.1: triethylamine / toluene / 0 °C
5.1: boron trifluoride diethyl etherate / toluene / 3 h / 20 °C
6.1: isopropyl alcohol; n-heptane / 2 h / 65 - 70 °C / Large scale
7.1: hydrogenchloride / toluene; water / 20 °C
7.2: 4 h / 30 °C
8.1: triethylamine / dichloromethane / 4 h / 25 °C
9.1: ammonia / methanol / 24 h / 20 °C / Large scale