1: hydrogenchloride / water / 1.5 h / 100 °C
2: Pd2(PPh3)2Cl2; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,4-di(diphenylphosphino)-butane / dimethyl sulfoxide / 12 h / 50 °C
3: sulfuric acid / 1.5 h / 100 °C
View Scheme
参考文献
Palani, Thiruvengadam; Park, Kyungho; Song, Kwang Ho; Lee, Sunwoo
Advanced Synthesis and Catalysis, 2013 , vol. 355, # 6 p. 1160 - 1168