Synthesis of Diynes from 1-(2,2-Dibromovinyl)-2-(Phenylethynyl)Benzene and Imidazole/Benzimidazole <i>Via</i> a Cui/Pd(Oac)<sub>2</sub> Catalysed Cascade Reaction
作者:He Hua-Feng、Ye Yang、Jiang Yongwen、Bao Weiliang
DOI:10.3184/174751914x14019525018744
日期:2014.7
A novel reaction between 1-(2,2-dibromovinyl)-2-(phenylethynyl)benzene and imidazole/benzimidazole catalysed by CuI and Pd(OAc)(2) gave the corresponding highly sterically hindered diynes via a cascade elimination/Ullmann-type C-N coupling process.