Multi-step reaction with 7 steps
1.1: trimethylaluminum / toluene / 0 - 20 °C
1.2: 20 h / 80 °C
2.1: sodium hydrogencarbonate / water; tetrahydrofuran / 12 h / 20 °C
3.1: toluene-4-sulfonic acid / toluene / 12 h / 60 °C
4.1: N-Bromosuccinimide / acetonitrile / 16 h / 20 °C
5.1: potassium phosphate / tetrakis(triphenylphosphine) palladium(0) / 1,4-dioxane; water / 6 h / 85 °C / Inert atmosphere
6.1: water; lithium hydroxide monohydrate / 1,4-dioxane / 4.5 h / 20 - 60 °C
7.1: O-(1,2-dihydro-2-oxo-1-pyridyl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; 4-methyl-morpholine / N,N-dimethyl-formamide; tetrahydrofuran / 16 h / 20 °C
With
4-methyl-morpholine; potassium phosphate; N-Bromosuccinimide; lithium hydroxide monohydrate; water; trimethylaluminum; sodium hydrogencarbonate; O-(1,2-dihydro-2-oxo-1-pyridyl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; toluene-4-sulfonic acid;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; 1,4-dioxane; water; N,N-dimethyl-formamide; toluene; acetonitrile;