Multi-step reaction with 12 steps
1: 85 percent / NaOEt / ethanol / 1 h / Ambient temperature
2: 1.) NaNO2, HCl, 2.) HCl, H2O / 1.) water, 2.5 h, 2.) 1 h
3: 88 percent / MgO, H2 / 10percent Pd/C / dioxane / 2585.7 Torr
4: 84 percent / H2 / Raney Ni / acetic acid / 2585.7 Torr
5: 89 percent / NaNO2, AcOH, Ac2O / 2 h / Ambient temperature
6: 90 percent / Heating
7: 83 percent / BCl3 / CH2Cl2 / a) -78 deg C, 3 h, b) RT, overnight
8: 80 percent / pyridine / 48 h / Ambient temperature
9: p-TsOH, hexamethyldisilazane, NH3 / 120 h / 155 - 160 °C
10: 50percent aq. MeOH / 4 h / Heating
11: HBr / dioxane / 20 h
12: N,N-dimethyl-acetamide / 72 h / Ambient temperature
With
pyridine; hydrogenchloride; methanol; ammonia; water; hydrogen bromide; hydrogen; sodium ethanolate; acetic anhydride; magnesium oxide; boron trichloride; toluene-4-sulfonic acid; acetic acid; 1,1,1,3,3,3-hexamethyl-disilazane; sodium nitrite;
palladium on activated charcoal; nickel;
In
1,4-dioxane; ethanol; dichloromethane; N,N-dimethyl acetamide; acetic acid;
DOI:10.1021/jm00155a021