Multi-step reaction with 8 steps
1: triethylamine / tetrahydrofuran; dichloromethane / 20 °C / Inert atmosphere
2: triethylamine / 1,3-bis-(diphenylphosphino)propane; palladium diacetate / N,N-dimethyl-formamide / 16 h / 50 °C / 1500.15 Torr / Autoclave
3: sodium hydride / N,N-dimethyl-formamide; mineral oil / 1.5 h / 20 °C / Inert atmosphere
4: caesium carbonate / palladium diacetate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene / 1,4-dioxane / 3.5 h / 90 °C / Inert atmosphere
5: water; sodium hydroxide / 1,4-dioxane; methanol / 4 h / 20 °C / Inert atmosphere
6: O-<[cyano(ethoxycarbonyl)methylene]amino>-1,1,3,3-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 20 °C / Inert atmosphere
7: acetic acid / 0.75 h / 115 °C / Inert atmosphere; Microwave irradiation
8: water; dihydrogen peroxide; sodium hydroxide / ethanol; dimethyl sulfoxide / 0.75 h / 20 °C
With
O-<[cyano(ethoxycarbonyl)methylene]amino>-1,1,3,3-tetramethyluronium tetrafluoroborate; water; dihydrogen peroxide; sodium hydride; caesium carbonate; acetic acid; triethylamine; N-ethyl-N,N-diisopropylamine; sodium hydroxide;
1,3-bis-(diphenylphosphino)propane; palladium diacetate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
tetrahydrofuran; 1,4-dioxane; methanol; ethanol; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; mineral oil;