Multi-step reaction with 7 steps
1: 75.8 percent / triphenylphosphine, diethylamine, copper(I) iodide / palladium chloride / 18 h / Ambient temperature
2: 2.60 g / H2 / 5percent palladium-on-charcoal / ethanol / 12 h / 2585.7 Torr
3: triethylamine / diethyl ether / 4 h / 0 - 20 °C
4: 1.) NaH / 1.) THF, 0 deg C -> room temperature, 2.) room temperature, 12 h; reflux, 6 h
5: 1.) sodium methoxide / 1.) anhydrous methanol, nitrogen atmosphere, 0.5 h, 2.) anhydrous dimethylformamide, mild warming, 12 h
6: 71.3 percent / 1N sodium hydroxide / 18 h / Ambient temperature
7: 1.) phenyl N-phenylphosphoramidochloridate, N-methylmorpholine / 1.) anhydrous N-methylpyrrolidone, room temperature, 1 h, 2.) 24 h
With
4-methyl-morpholine; sodium hydroxide; copper(l) iodide; hydrogen; sodium methylate; sodium hydride; diethylamine; triethylamine; triphenylphosphine; Phenyl N-phenylphosphoramidochloridate;
palladium on activated charcoal; palladium dichloride;
In
diethyl ether; ethanol;