Multi-step reaction with 9 steps
1.1: sodium hydroxide; methanol / 20 - 50 °C / Inert atmosphere
1.2: pH 2 - 3
2.1: thionyl chloride / 18 h / Reflux
3.1: thiourea; pyridine / isopropyl alcohol / 6 h / Inert atmosphere; Reflux
3.2: Reflux
4.1: acetic acid; iron / 0.5 h / 100 °C
5.1: hydrogenchloride; sodium nitrite / acetonitrile; water / 0 °C
5.2: pH 6 - 7
5.3: 1.75 h / 60 - 70 °C
6.1: dihydrogen peroxide / methyltrioxorhenium(VII) / dichloromethane; water / 72 h / 20 °C / Inert atmosphere
7.1: trichlorophosphate / 1,2-dichloro-ethane / 16 h / 70 °C / Inert atmosphere
7.2: pH 6 - 7
8.1: trimethylsilyl bromide / propiononitrile / 20 - 50 °C / Inert atmosphere
9.1: caesium carbonate / 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0) / 1,4-dioxane / 2 h / 80 °C / Inert atmosphere
With
pyridine; hydrogenchloride; methanol; thionyl chloride; trimethylsilyl bromide; dihydrogen peroxide; iron; caesium carbonate; acetic acid; thiourea; sodium hydroxide; sodium nitrite; trichlorophosphate;
tris-(dibenzylideneacetone)dipalladium(0); methyltrioxorhenium(VII); 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene;
In
1,4-dioxane; dichloromethane; water; 1,2-dichloro-ethane; isopropyl alcohol; acetonitrile; propiononitrile;