Multi-step reaction with 9 steps
1.1: 1H-imidazole / dichloromethane / 1 h / 20 °C / Inert atmosphere
2.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; dmap / dichloromethane / 8 h / 20 °C / Inert atmosphere
3.1: trifluoroacetic acid / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
4.1: N-ethyl-N,N-diisopropylamine; ((3H-[1,2,3]triazolo[4,5-b]pyridin-3-yl)oxy)tri(pyrrolidin-1-yl)phosphonium hexafluorophosphate(V) / dichloromethane / 0.17 h / 0 °C / Inert atmosphere
4.2: 2 h / 0 - 20 °C / Inert atmosphere
5.1: trifluoroacetic acid / dichloromethane / 2 h / 20 °C / Inert atmosphere
5.2: Inert atmosphere
6.1: N-ethyl-N,N-diisopropylamine; 2-bromo-1-ethylpyridin-1-ium tetrafluoroborate / dichloromethane; acetonitrile / 16 h / 20 °C / Inert atmosphere
7.1: tris(dimethylamino)sulfonium trimethylsilyldifluoride / tetrahydrofuran / 12 h / 0 °C / Inert atmosphere
8.1: benzotriazol-1-ol; 4-methyl-morpholine; N,N-dimethyl-formamide; diisopropyl-carbodiimide / tetrahydrofuran; N,N-dimethyl-formamide / 24 h / 20 °C / Inert atmosphere
9.1: tetrakis(triphenylphosphine) palladium(0); silver(l) oxide / tetrahydrofuran; water / 12 h / 20 °C / Inert atmosphere
With
4-methyl-morpholine; 1H-imidazole; dmap; tetrakis(triphenylphosphine) palladium(0); tris(dimethylamino)sulfonium trimethylsilyldifluoride; 2-bromo-1-ethylpyridin-1-ium tetrafluoroborate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; N,N-dimethyl-formamide; ((3H-[1,2,3]triazolo[4,5-b]pyridin-3-yl)oxy)tri(pyrrolidin-1-yl)phosphonium hexafluorophosphate(V); trifluoroacetic acid; silver(l) oxide; diisopropyl-carbodiimide;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
9.1: |Suzuki Coupling;
DOI:10.1002/anie.201606679