Multi-step reaction with 8 steps
1.1: potassium carbonate / 1,4-dioxane / 6 h / 70 °C
2.1: sodium tetrahydroborate / 1,4-dioxane; tetrahydrofuran / 10 - 20 °C
2.2: pH 2
3.1: phosphorus tribromide / 1,2-dimethoxyethane / 3 h / 25 - 50 °C
4.1: sodium hydride / tetrahydrofuran; mineral oil / 5 h / 0 - 15 °C
5.1: N,N-Dimethylhydrazine / iron(III) chloride / methanol / 10 h / 65 °C
6.1: triethylamine / dichloromethane / 1 h / 15 - 40 °C
7.1: sodium hydroxide; water / tetrahydrofuran; methanol / 3 h / 20 - 25 °C
7.2: 5 h / 10 - 20 °C / pH 2 - 3
8.1: sodium hydroxide / water; tetrahydrofuran; methanol / 2.67 h / 10 - 20 °C / pH 6.8 - 9.12
With
sodium tetrahydroborate; water; phosphorus tribromide; sodium hydride; potassium carbonate; N,N-Dimethylhydrazine; triethylamine; sodium hydroxide;
iron(III) chloride;
In
tetrahydrofuran; 1,4-dioxane; methanol; 1,2-dimethoxyethane; dichloromethane; water; mineral oil;