反应条件
1: 1.) potassium methoxide / 1.) 2-butanone, 40 deg C, 1 h, 2.) 2-butanone, 70 deg C, 20 h 2: 73 percent / 33percent aq. NH3 / ethanol / 48 h / Ambient temperature 3: 84 percent / TiCl4, N-methylmorpholine / CHCl3; tetrahydrofuran / 12 h / Ambient temperature 4: HCl gas / CHCl3 / 36 h / 0 °C 5: 0.33 h 6: ethanol / -70 - 20 °C View Scheme
参考文献
Journal of Medicinal Chemistry, , vol. 29, # 7 p. 1183 - 1188