反应条件
1: 75 percent / p-TsOH / benzene / 8 h / Heating 2: 72 percent / NH2NH2*H2O, KOH / ethane-1,2-diol / 1.) 140 deg C, 5 h, 2.) 210 deg C, 10 h 3: 62 percent / p-TsOH / acetone / 12 h / Heating 4: 1.) phosgene, 3.) H2S / 1.) benzene, 18 h, 2.) CH2Cl2, THF, 30 min, 3.) pyridine, 10 min 5: 60 percent / Ph3SnH / toluene / 2 h / Heating View Scheme
参考文献
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , # 10 p. 2459 - 2469
