反应条件
1.1: potassium hydroxide; chloroform / water / 15 h / 60 °C
2.1: n-butyllithium / tetrahydrofuran / 6 h / -78 - -40 °C / |Inert atmosphere
2.2: 2 h / -78 °C / |Inert atmosphere
3.1: lithium tert-butylate / N,N-dimethyl-formamide / 2 h / 20 - 60 °C
View Scheme
参考文献
Zhang, Shuai; Wan, Changfeng; Wang, Qiang; Zhang, Baiqun; Gao, Lingfeng; Zha, Zhenggen; Wang, Zhiyong
European Journal of Organic Chemistry, 2013 , # 11 p. 2080 - 2083