反应条件
1: 90 percent / Na2S*9H2O, sulfur / ethanol / 2 h / Heating 2: 1.) glacial acetic acid, zinc / 1.) 60-70 deg C, 2.5 h, 2.) 60-70 deg C, 3 h 3: 70 percent / PdCl2, K2CO3, air / dimethylformamide; H2O / 17 h / 70 °C View Scheme
参考文献
Bumagin; Nikitina; Beletskaya
Russian Journal of Organic Chemistry, 1996 , vol. 32, # 12 p. 1803 - 1811