Multi-step reaction with 8 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: 65 percent / potassium bicarbonate, iodine, iodic acid / dimethylformamide / 2 h / 60 °C
With
bis(phenyl) carbonate; potassium hydroxide; 2,2'-azobis(isobutyronitrile); iodine; nitric acid; tri-n-butyl-tin hydride; sodium methylate; palladium diacetate; iodic acid; sodium hydrogencarbonate; potassium hydrogencarbonate; triethylamine; triphenylphosphine;
In
tetrahydrofuran; 1,4-dioxane; methanol; N,N,N,N,N,N-hexamethylphosphoric triamide; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1021/jm50001a003