Multi-step reaction with 8 steps
1.1: sodium hydroxide / water / 34 - 70 °C
1.2: 20 °C
2.1: sulfuric acid / 24 h / Reflux
3.1: Pd(dppf) / tetrahydrofuran / 18 h / 85 °C / Inert atmosphere
4.1: sodium hydroxide; water / ethanol / 1 h / 80 °C
5.1: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / N,N-dimethyl-formamide / 0.25 h / 20 °C
5.2: 2 h / 20 °C
6.1: 1,4-dioxane / 18 h / 100 °C
7.1: sodium hydroxide / isopropyl alcohol; water / 18 h / 20 °C
8.1: methanol / 3 h / 60 °C / Sealed vial
With
water; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; sodium hydroxide;
sulfuric acid;
In
tetrahydrofuran; 1,4-dioxane; methanol; ethanol; water; N,N-dimethyl-formamide; isopropyl alcohol;
3.1: Negishi Coupling Reaction;