反应条件
2: 50 percent / SnCl4, Bu3N / toluene / 8 h / 60 °C 3: 1.) ClCOOEt, Et3N, 2.) NaBH4 / 1.) THF, 0 deg C, 1 h, 2.) THF, H2O, room temp., 12 h 4: 75 percent / Ce(IV)-ammonium nitrate / methanol; H2O; acetonitrile / 0.05 h / Ambient temperature 5: 70 percent / AlCl3 / CH2Cl2 / 2 h / Ambient temperature View Scheme
参考文献
Wurm, Gotthard; Goessler, Bernd
Archiv der Pharmazie (Weinheim, Germany), 1989 , vol. 322, p. 569 - 572