Multi-step reaction with 8 steps
1: triethylamine / dichloromethane / 24 h / 20 °C / Inert atmosphere
2: triethylamine / 1,3-bis-(diphenylphosphino)propane; palladium diacetate / N,N-dimethyl-formamide / 8 h / 50 °C / 1500.15 Torr / autoclave
3: sodium hydride / N,N-dimethyl-formamide; petroleum jelly / 20 °C / Inert atmosphere
4: sodium t-butanolate / palladium diacetate; 1,1'-bis-(diphenylphosphino)ferrocene / toluene / 0.5 h / 115 °C / microwave irradiation
5: sodium hydroxide; methanol / 7 h / Reflux
6: N-ethyl-N,N-diisopropylamine; O-<[cyano(ethoxycarbonyl)methylene]amino>-1,1,3,3-tetramethyluronium tetrafluoroborate / N,N-dimethyl-formamide / 3.5 h / 20 °C
7: acetic acid / 1 h / Reflux
8: sodium hydroxide; water; dihydrogen peroxide / ethanol; dimethyl sulfoxide / 0.25 h / 20 °C
With
methanol; O-<[cyano(ethoxycarbonyl)methylene]amino>-1,1,3,3-tetramethyluronium tetrafluoroborate; water; dihydrogen peroxide; sodium hydride; acetic acid; triethylamine; N-ethyl-N,N-diisopropylamine; sodium hydroxide; sodium t-butanolate;
1,1'-bis-(diphenylphosphino)ferrocene; 1,3-bis-(diphenylphosphino)propane; palladium diacetate;
In
petroleum jelly; ethanol; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene;