反应条件
1: 2.) S / 1.) THF, ether, a) -78 deg C, 1 h, b) RT, 1 h, 2.) toluene, reflux, 2 h 2: 72 percent / conc. aq. HCl / 18 h / Heating 3: SOCl2 / 2 h / Heating 4: CH2Cl2 / Ambient temperature View Scheme
参考文献
Journal of Pharmaceutical Sciences, , vol. 81, # 10 p. 1015 - 1019