Synthesis of symmetrical 1,3-diynes via homocoupling reaction of n-butyl alkynyltellurides

Article abstract of DOI:10.1016/j.tetlet.2009.03.078

An ultrasound-assisted synthesis of symmetrical 1,3-diyne compounds with electron-withdrawing or -donating substituents is described and illustrated by the palladium-catalyzed homocoupling reaction of n-butyl alkynyltellurides. This procedure offers easy