Multi-step reaction with 8 steps
1.1: ammonium bicarbonate / water / 18 h / 25 °C / Inert atmosphere
2.1: triethylamine / dichloromethane / 14 h / 25 °C / Inert atmosphere
3.1: n-butyllithium / tetrahydrofuran; hexane / 1.42 h / -78 °C / Inert atmosphere
3.2: 3 h / -78 - 25 °C / Inert atmosphere
4.1: hydrogenchloride / water / 2 h / 25 °C / Inert atmosphere
5.1: potassium tert-butylate / tetrahydrofuran / 1 h / 0 - 25 °C / Inert atmosphere
5.2: 15 h / 25 °C / Inert atmosphere
6.1: palladium 10% on activated carbon; hydrogen / tetrahydrofuran; methanol / 7 h / 25 °C / 760.05 Torr
7.1: caesium carbonate / N,N-dimethyl-formamide / 50.5 h / 0 - 25 °C / Inert atmosphere
8.1: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 23 h / 25 °C / Inert atmosphere
With
hydrogenchloride; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; n-butyllithium; palladium 10% on activated carbon; potassium tert-butylate; hydrogen; ammonium bicarbonate; caesium carbonate; triethylamine; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; methanol; hexane; dichloromethane; water; N,N-dimethyl-formamide;
5.1: |Horner-Wadsworth-Emmons Olefination / 5.2: |Horner-Wadsworth-Emmons Olefination / 8.1: |Sonogashira Cross-Coupling;
DOI:10.1002/ejoc.201201467