反应条件
1: 86 percent / conc. H2SO4 / CH2Cl2 / 8 h / Ambient temperature 2: 1.) NaH / 1.) DMF, RT, 1 h, 2.) DMF, 20 deg C, 2 h 3: 1.) Mg, I2, 2.) ZnCl2, 3.) NiCl2*1,2-bis(diphenylphosphino)ethane 4: 81 percent / 2 N NaOH / methanol / 8 h / Heating View Scheme
参考文献
Journal of Medicinal Chemistry, , vol. 38, # 26 p. 4993 - 5006