反应条件
1: 1.) p-toluenesulfonyl chloride, aq. NaOH; 2.) aq. NaOH / 1.) benzyltributylammonium chloride / 1.) H2O, CH2Cl2, r.t., 2 h; 2.) H2O, 40-50 deg C, 12 h 2: 64 percent / piperidine / ethanol / Heating 3: 65 percent / hydrogen / Pd-black / dimethylformamide / 5 h / 50 °C View Scheme
参考文献
Chemical and Pharmaceutical Bulletin, , vol. 39, # 6 p. 1440 - 1445