反应条件
1: 1.) LDA / 1.) THF, hexane, -78 deg C, 10 min, 2.) THF, hexane, -78 deg C, 1 h; r.t., 30 min
2: 42 percent / Et3N / Pd(PPh3)2Cl2, CuI / dimethylformamide / 2 h / Ambient temperature
3: 92 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
