@article{article2cf70b9d, title = {Copper salt-catalyzed homo-coupling reaction of potassium alkynyltrifluoroborates: a simple and efficient synthesis of symmetrical 1,3-diynes}, author = {Paixão, Márcio Weber and Weber, Minéia and Braga, Antonio Luiz and Azeredo, Juliano Braun de and Deobald, Anna Maria and Stefani, Hélio Alexandre}, year = {2008}, doi = {10.1016/j.tetlet.2008.02.083}, journal = {Tetrahedron Letters} }