Multi-step reaction with 9 steps
1.1: O,O-Diethyl hydrogen phosphorodithioate / ethanol; water / 100 °C / Inert atmosphere
2.1: dihydrogen peroxide / ethanol / 22 h / Inert atmosphere
3.1: potassium carbonate / tetrahydrofuran; dimethyl sulfoxide / 0.25 h / 20 °C
3.2: 20 °C
4.1: sulfuric acid / 1.83 h / 45 °C
4.2: Cooling with ice
5.1: sodium tetrahydroborate / tetrahydrofuran / Reflux
5.2: 2 h / Reflux
6.1: pyridine / 2.16 h / 20 °C
7.1: hydrogen; palladium 10% on activated carbon / tetrahydrofuran; N,N-dimethyl-formamide / 24 h / 4137.29 Torr / Autoclave
8.1: N-ethyl-N,N-diisopropylamine / tetrahydrofuran; dimethyl sulfoxide / 2 h / 20 °C
9.1: sodium methylate; methanol / tetrahydrofuran; dimethyl sulfoxide / 2 h / 20 °C
With
pyridine; methanol; sodium tetrahydroborate; sulfuric acid; palladium 10% on activated carbon; hydrogen; dihydrogen peroxide; sodium methylate; potassium carbonate; O,O-Diethyl hydrogen phosphorodithioate; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; ethanol; water; dimethyl sulfoxide; N,N-dimethyl-formamide;