反应条件
1: 1.) LDA / 1.) THF, hexane, -78 deg C, 4 h, 2.) THF, hexane, -78 deg C, 30 min; r.t., 2 h 2: 57 percent / Et3N / Pd(PPh3)2Cl2, CuI / dimethylformamide / 1.5 h / Ambient temperature 3: 62 percent / NH3 / ethanol / 2 h / 80 °C View Scheme
参考文献
Numata, Atsushi; Kondo, Yoshinori; Sakamoto, Takao
Synthesis, 1999 , # 2 p. 306 - 311
