反应条件
1: bromine / chloroform / 20 h / 0 - 20 °C / |Inert atmosphere
2: caesium carbonate / N,N-dimethyl-formamide / 3 h / 100 °C / |Inert atmosphere
3: n-butyllithium / toluene; tetrahydrofuran / 5 h / -78 - 20 °C / |Inert atmosphere
View Scheme
参考文献
De, Subhadip; Chaudhuri, Saikat; Mishra, Sourabh; Mamtani, Himanshu; Bisai, Alakesh
Journal of the Indian Chemical Society, 2013 , vol. 90, # 10 p. 1871 - 1884