Multi-step reaction with 6 steps
1.1: methanol; hexane; dichloromethane / 0.5 h / 20 °C / Inert atmosphere
2.1: 3-chloro-benzenecarboperoxoic acid / 1,2-dimethoxyethane / 22.5 h / 20 °C / Inert atmosphere
3.1: chloroformic acid ethyl ester; 1,1,1,3,3,3-hexamethyl-disilazane / tetrahydrofuran / 16 h / 50 °C / Inert atmosphere
4.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate / methanol; toluene / 24 h / 80 °C / Inert atmosphere
5.1: lithium hydroxide / 1,4-dioxane / 1.5 h / 50 °C / Inert atmosphere
5.2: Inert atmosphere
6.1: O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine / dichloromethane / 15 h / 20 °C / Inert atmosphere
With
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; chloroformic acid ethyl ester; potassium carbonate; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine; 3-chloro-benzenecarboperoxoic acid; 1,1,1,3,3,3-hexamethyl-disilazane; lithium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; methanol; 1,2-dimethoxyethane; hexane; dichloromethane; toluene;
4.1: Suzuki coupling;
DOI:10.1016/j.bmc.2011.04.014