supported by the National Natural Science Foundation of China(No.21172059);Program for Science & Technology Innovation Talents in Universities of Henan Province (No.2011HASTIT032);Foundation of Jiaozuo Scientific and Technological Bureau(No.201113);Foundation of Henan Scientific and Technological Committee(No.122102310497)
Microwave-assisted tandem reaction of(Z)-arylvinyl bromides involving an elimination and homocoupling in the presence of DBU and Cul in DMF affords a variety of symmetrical 1,3-diynes in good to excellent yields.Thi...