Multi-step reaction with 8 steps
1.1: boron tribromide / dichloromethane / 18.16 h / -78 - 20 °C
1.2: 0.5 h / 0 - 20 °C
2.1: sodium hydride / tetrahydrofuran; mineral oil / 1 h / -40 - -10 °C
2.2: 17 h / -40 - 20 °C
3.1: piperidine / dichloromethane / 16 h / 20 °C
4.1: potassium carbonate / N,N-dimethyl-formamide / 6 h / 70 °C / sealed tube
5.1: potassium fluoride / tetrakis(triphenylphosphine) palladium(0) / 1,4-dioxane; water / 0.5 h / 95 °C / microwave irradiation
6.1: hydrogenchloride; water / methanol / 1 h / 45 °C
7.1: water; lithium hydroxide monohydrate / 2 h / 40 °C / pH 12
7.2: pH 6
8.1: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; ammonium chloride / dichloromethane / 0.33 h / 20 °C
With
piperidine; hydrogenchloride; potassium fluoride; lithium hydroxide monohydrate; water; boron tribromide; sodium hydride; potassium carbonate; ammonium chloride; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; N,N-dimethyl-formamide; mineral oil;