Multi-step reaction with 9 steps
1: 85 percent / AlCl3 / nitrobenzene; various solvent(s) / 2 h
2: 96 percent / H2 / 10percent Pd/C / acetic acid / 1.5 h / 2327.2 Torr
3: 72 percent / 47-59percent aq. HBr / acetic acid / 2.5 h / Heating
4: 90 percent / concd. H2SO4 / 2 h / Heating
5: 44 percent / K2CO3 / acetone; dimethylformamide / 72 h / Heating
6: 95 percent / 0.5 M NaOH / ethanol / 4 h / Heating
7: 1.) carbonyldiimidazole (CDI), 2.) concd. NH4OH / 1.) CH2Cl2, 1 h, 2.) THF, 18 h
8: 79 percent / methanesulfonyl chloride, pyridine / 3.5 h / Ambient temperature
9: 39 percent / NaN3, NH4Cl / dimethylformamide / 192 h / 115 - 120 °C
With
pyridine; ammonium hydroxide; sodium hydroxide; aluminium trichloride; sodium azide; sulfuric acid; hydrogen bromide; hydrogen; potassium carbonate; ammonium chloride; methanesulfonyl chloride; 1,1'-carbonyldiimidazole;
palladium on activated charcoal;
In
ethanol; acetic acid; nitrobenzene; N,N-dimethyl-formamide; acetone;
DOI:10.1021/jm00172a024