Multi-step reaction with 12 steps
1.1: toluene-4-sulfonic acid / toluene / 17 h / 70 °C / Reflux
2.1: sodium tetrahydroborate / isobutyric Acid / 0 - 20 °C
2.2: 2 h / 0 - 10 °C
3.1: hydrogen / palladium 10% on activated carbon / ethanol; water / 5 h / 50 °C / Inert atmosphere
4.1: sodium carbonate / water; tetrahydrofuran / 20 °C / Cooling with ice
5.1: hydrogenchloride / water; acetone / 20 °C / Cooling with ice
6.1: (bis-(2-methoxyethyl)amino)sulfur trufluoride / toluene / 20 °C / Cooling with ice
6.2: 20 °C / Cooling with ice
7.1: hydrogen / palladium 10% on activated carbon / ethanol; water / 4 h / 20 °C
8.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / acetonitrile / 12 h / 20 °C
9.1: sodium hydroxide; water / methanol / 12 h / 20 °C
10.1: triethylamine; diethyl cyanophosphonate / N,N-dimethyl-formamide / 0 - 20 °C
11.1: ammonia / water; methanol / 12 h / 20 °C
12.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / tetrahydrofuran / 12 h / 45 - 60 °C
With
hydrogenchloride; sodium tetrahydroborate; diethyl cyanophosphonate; ammonia; water; hydrogen; sodium carbonate; benzotriazol-1-ol; toluene-4-sulfonic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; sodium hydroxide; (bis-(2-methoxyethyl)amino)sulfur trufluoride;
palladium 10% on activated carbon;
In
tetrahydrofuran; methanol; ethanol; water; N,N-dimethyl-formamide; acetone; toluene; isobutyric Acid; acetonitrile;