反应条件
1: 1) NaNO2, H2SO4 / 1) water, 2 h, 25-60 deg C, 2) 1 h reflux 2: 20 percent / H2 / Raney Ni / ethanol / 48 h / Ambient temperature 3: 1) NaNO2, HCl / 1) water, 0 deg C, 30 min, 2) water, addition at 70-75 deg C, then r.t. 4: 1) KOH, 2) Zn, HCl / 1) ethanol, 10 h, reflux, 2) water, 10 deg C, 30-40 min. View Scheme
参考文献
Collection of Czechoslovak Chemical Communications, , vol. 51, # 11 p. 2598 - 2616
