Multi-step reaction with 7 steps
1.1: triethylamine / dichloromethane / 0 - 20 °C
2.1: caesium carbonate / N,N-dimethyl-formamide / 85 °C
3.1: ISCO column chromatography / Resolution of racemate
4.1: N-iodo-succinimide; zirconium(IV) chloride / dichloromethane / 20 °C
5.1: N,N,N,N,N,N-hexamethylphosphoric triamide; copper(l) iodide / N,N-dimethyl-formamide / 5 h / 85 °C / Inert atmosphere
6.1: hydroxylamine hydrochloride / ethanol / 5 h / 20 °C
6.2: 8 h / 20 °C / 3675.37 Torr
7.1: titanium(IV) isopropylate; sodium tris(acetoxy)borohydride; acetic acid / tetrahydrofuran / 0.33 h / 100 °C / Microwave irradiation
With
titanium(IV) isopropylate; N,N,N,N,N,N-hexamethylphosphoric triamide; N-iodo-succinimide; copper(l) iodide; hydroxylamine hydrochloride; zirconium(IV) chloride; sodium tris(acetoxy)borohydride; caesium carbonate; acetic acid; triethylamine;
In
tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide;