1.1: 25 - 112 °C / Autoclave 2.1: isopropyl alcohol / 14 h / 25 - 80 °C 3.1: sodium hydroxide / water / 0 - 35 °C / pH 9 4.1: magnesium / iodine / tetrahydrofuran / 1 h / -70 - 70 °C 4.2: -5 - 35 °C 4.3: pH 1 - 2 5.1: sodium bis(2-methoxyethoxy)aluminium dihydride / toluene / 0.25 h / 0 - 5 °C 6.1: hydrogen / 5 palladium on charcoal / methanol / 2 h / 25 - 35 °C / Autoclave 6.2: 25 - 35 °C View Scheme

1.1: 25 - 112 °C / Autoclave 2.1: isopropyl alcohol / 14 h / 25 - 80 °C 3.1: sodium hydroxide / water / 0 - 35 °C / pH 9 4.1: magnesium / iodine / tetrahydrofuran / 1 h / -70 - 70 °C 4.2: -5 - 35 °C 4.3: pH 1 - 2 5.1: sodium bis(2-methoxyethoxy)aluminium dihydride / toluene / 0.25 h / 0 - 5 °C 6.1: hydrogen / 5 palladium on charcoal / methanol / 2 h / 25 - 35 °C / Autoclave 6.2: 25 - 35 °C 7.1: dichloromethane / 1.5 h / 0 - 5 °C 7.2: 0.5 h / 0 - 5 °C View Scheme

1.1: 25 - 112 °C / Autoclave 2.1: isopropyl alcohol / 14 h / 25 - 80 °C 3.1: sodium hydroxide / water / 0 - 35 °C / pH 9 4.1: magnesium / iodine / tetrahydrofuran / 1 h / -70 - 70 °C 4.2: -5 - 35 °C 4.3: pH 1 - 2 View Scheme

1: 25 - 112 °C / Autoclave 2: isopropyl alcohol / 14 h / 25 - 80 °C 3: sodium hydroxide / water / 0 - 35 °C / pH 9 View Scheme