反应条件
1: dihydrogen peroxide; potassium hydroxide / methanol; water / 0.5 h / 65 °C / Inert atmosphere
2: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / Inert atmosphere
3: 0.5 h / Inert atmosphere
4: bis-triphenylphosphine-palladium(II) chloride; triethylamine; zinc(II) chloride; zinc / tetrahydrofuran / 24 h / 60 °C / Inert atmosphere
5: potassium hydroxide / aacetone / 2 h / Reflux; Inert atmosphere
6: 2,3-dicyano-5,6-dichloro-p-benzoquinone / benzene / 2 h / Inert atmosphere; Reflux
View Scheme
参考文献
Lv, Pei; Huang, Kanglun; Xie, Longguan; Xu, Xiaohua
Organic and Biomolecular Chemistry, 2011 , vol. 9, # 9 p. 3133 - 3135