反应条件
1: 43 percent / 1.) 70percent nitric acid, acetic anhydride / 1.) a) -15 deg C, 0.5 h, b) RT, 20 min 2: SOCl2 / tetrahydrofuran / 0.08 h / Heating 3: Hunig's base / tetrahydrofuran / -20 - 20 °C 4: 1.) H2, 2.) HCl / 10percent Pd/C / 1.) methanol, 40 deg C, 1 atm, 2.) isopropanol, -30 deg C 5: 64 percent / 1,8-bis(dimethylamino)naphthalene, dicyclohexylcarbodiimide / tetrahydrofuran; dimethylformamide / 3 h / Ambient temperature 6: 1.) HCl, 2.) NH3 / 1.) EtOH, RT, 1.5 h, 2.) EtOH, 1 h, RT 7: 70 percent / H2 / 10percent Pd/C / methanol / 40 °C 8: methanol; tetrahydrofuran / 0.5 h / -40 °C View Scheme
参考文献
Lown, J. William; Krowicki, Krzysztof
Journal of Organic Chemistry, 1985 , vol. 50, # 20 p. 3774 - 3779
