Multi-step reaction with 16 steps
1.1: toluene-4-sulfonic acid / benzene / 48 h / 20 °C / Inert atmosphere
2.1: lithium aluminium tetrahydride / tetrahydrofuran / 10 - 20 °C / Inert atmosphere; Cooling with acetone-dry ice
2.2: 1.5 h / -5 - 30 °C
3.1: pyridine / dmap / 48 h / 20 °C
4.1: hydrogenchloride; water / tetrahydrofuran / 3.5 h / 52 °C
5.1: ammonium hydroxide; ammonium chloride / tetrahydrofuran; methanol
6.1: sodium carbonate monohydrate / dichloromethane; water / 2.5 h / 20 °C / Inert atmosphere
7.1: hydroxylamine / water; tetrahydrofuran / 5 h / Reflux
8.1: tetrahydrofuran / Reflux
9.1: dichloromethane; xylene / 24 h / 115 °C
10.1: N,N,N',N'-tetramethylguanidine / toluene / 1.5 h / Reflux
11.1: sodium hexamethyldisilazane / N,N-dimethyl-formamide; tetrahydrofuran / 1 h / 0 - 20 °C
11.2: 16 h / 20 °C
12.1: hydrogenchloride; hydrogen / palladium on activated charcoal / dichloromethane; ethanol; water / 2.5 h / 20 °C / 3102.97 Torr
13.1: triethylamine / ethanol / 22 h / 90 °C
14.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 20 h / 0 - 20 °C
15.1: methanol / 18 h / 50 °C / Sealed tube
16.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 32 h / 80 °C / Molecular sieve
With
pyridine; hydrogenchloride; ammonium hydroxide; lithium aluminium tetrahydride; sodium carbonate monohydrate; tetrabutyl ammonium fluoride; water; hydrogen; hydroxylamine; sodium hexamethyldisilazane; ammonium chloride; triethylamine; N-ethyl-N,N-diisopropylamine; N,N,N',N'-tetramethylguanidine;
dmap; palladium on activated charcoal; toluene-4-sulfonic acid;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; N,N-dimethyl-formamide; toluene; xylene; benzene;