1: 88.6 percent / Ni(PPh3)2 / tetrahydrofuran / 4 h / 20 °C 2: 92.9 percent / n-BuLi / tetrahydrofuran; hexane / 3.5 h / 0 °C 3: 94 percent / Co(salen); O2 / dimethylformamide; toluene / 24 h / 20 °C View Scheme
参考文献
Lipshutz, Bruce H.; Mollard, Paul; Pfeiffer, Steven S.; Chrisman, Will
Journal of the American Chemical Society, 2002 , vol. 124, # 48 p. 14282 - 14283