Multi-step reaction with 9 steps
1: lithium triethylborohydride / tetrahydrofuran / 2 h / 20 °C
2: tetrabutyl ammonium fluoride / tetrahydrofuran / 3 h / 20 °C
3: sodium hydrogencarbonate; Dess-Martin periodane / dichloromethane / 20 °C
4: N,N-dimethyl acetamide / 1 h / 110 °C
5: potassium acetate / N,N-dimethyl-formamide / 4 h / 100 °C
6: oxone||potassium monopersulfate triple salt / N,N-dimethyl-formamide
7: N-ethyl-N,N-diisopropylamine / 1-methyl-pyrrolidin-2-one / 1 h / 150 °C / Microwave irradiation
8: hydrogenchloride / 1,4-dioxane; methanol / 2 h / 20 °C
9: N-ethyl-N,N-diisopropylamine / dichloromethane / 0.5 h / 20 °C
With
hydrogenchloride; oxone||potassium monopersulfate triple salt; tetrabutyl ammonium fluoride; potassium acetate; lithium triethylborohydride; sodium hydrogencarbonate; Dess-Martin periodane; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; 1,4-dioxane; 1-methyl-pyrrolidin-2-one; methanol; dichloromethane; N,N-dimethyl acetamide; N,N-dimethyl-formamide;