Multi-step reaction with 10 steps
1.1: hydrogenchloride / 2 h / 20 °C
2.1: triethylamine / ethyl acetate / 4 h / Reflux
3.1: dipotassium hydrogenphosphate; sodium carbonate / water; dimethyl sulfoxide; methanol / 7 h / 21 - 25 °C / pH 7 - 8 / Enzymatic reaction
3.2: 0.5 h / 40 °C / pH Ca. 14
4.1: palladium on carbon; hydrogen / methanol / 48 h / 20 °C / 760.05 Torr
5.1: caesium carbonate / N,N-dimethyl-formamide / 20 °C
6.1: 1H-imidazole / N,N-dimethyl-formamide / 0 - 20 °C
7.1: methanol; sodium tetrahydroborate / 1 h / 20 °C
8.1: sodium hexamethyldisilazane / tetrahydrofuran / 2 h / 20 °C / Cooling with ice
9.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 1 h / 20 °C
10.1: triphenylphosphine; di-isopropyl azodicarboxylate / toluene / 2 h / 20 °C
With
1H-imidazole; hydrogenchloride; methanol; sodium tetrahydroborate; dipotassium hydrogenphosphate; di-isopropyl azodicarboxylate; palladium on carbon; tetrabutyl ammonium fluoride; hydrogen; sodium hexamethyldisilazane; sodium carbonate; caesium carbonate; triethylamine; triphenylphosphine;
In
tetrahydrofuran; methanol; water; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide; toluene;