反应条件
1: aq. HNO3, H2SO4 2: SnCl2, aq. HCl / ethanol 3: (i) Ac2O, (ii) NO2/HNO3, (iii) (hydrolysis) 4: (i) NaNO2, aq. HCl, THF, (ii) SO2, CuCl, AcOH, (iii) NH3, CH2Cl2 5: Fe, aq. HCl / aq. ethanol 6: (i) ClSO3H, (ii) NH3, CH2Cl2 View Scheme
参考文献
Journal of Medicinal Chemistry, , vol. 20, # 9 p. 1225 - 1227