Multi-step reaction with 7 steps
1.1: acetic acid / Reflux
2.1: trichlorophosphate; N,N-dimethyl-aniline / toluene / Reflux
3.1: potassium tert-butylate / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
3.2: 0.75 h / -78 °C / Inert atmosphere
3.3: -78 - 20 °C / Inert atmosphere
4.1: hydrogen / platinum(IV) oxide / 1,4-dioxane
5.1: potassium carbonate; silver carbonate / tetrahydrofuran / 1 h / Reflux
6.1: trifluoroacetic acid / dichloromethane / 3 h
7.1: triethylamine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate / N,N-dimethyl-formamide / 18 h
With
potassium tert-butylate; hydrogen; potassium carbonate; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N,N-dimethyl-aniline; triethylamine; silver carbonate; trifluoroacetic acid; trichlorophosphate;
platinum(IV) oxide;
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; acetic acid; N,N-dimethyl-formamide; toluene;