Multi-step reaction with 12 steps
1: 80 percent / diphenyl carbonate, sodium bicarbonate / hexamethylphosphoric acid triamide / 0.5 h / 150 °C
2: dimethylformamide; ethyl acetate / 1 h / Heating
3: tributyltin hydride, azobis(isobutyronitrile) / tetrahydrofuran / 0.75 h / Heating
4: sodium methoxide / methanol / Ambient temperature
5: iodine, 0.75 N aq. nitric acid / dioxane / 1 h / 100 °C
6: 80 percent / palladium(II) acetate, triphenylphosphine, triethylamine / dioxane / 3.25 h / 85 °C
7: 88 percent / 1.8 N aq. KOH / Ambient temperature
8: 69.3 percent / N-bromosuccinimide, potassium bicarbonate / dimethylformamide / 1.5 h / Ambient temperature
9: pyridine / 5 h / Ambient temperature
10: o-chlorophenyl phosphodichloridate, pyridine / 96 h / Ambient temperature
11: 25percent aq. NH3 / pyridine / 1 h
12: 92 percent / NH3 / methanol / Ambient temperature
With
pyridine; bis(phenyl) carbonate; potassium hydroxide; ammonium hydroxide; N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); ammonia; iodine; nitric acid; tri-n-butyl-tin hydride; sodium methylate; palladium diacetate; sodium hydrogencarbonate; potassium hydrogencarbonate; triethylamine; triphenylphosphine; 2-chlorophenyl dichlorophosphate;
In
tetrahydrofuran; 1,4-dioxane; pyridine; methanol; N,N,N,N,N,N-hexamethylphosphoric triamide; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1021/jm50001a003