Expedient Synthesis of Functionalized Conjugated Enynes: Palladium‐Catalyzed Bromoalkynylation of Alkynes

Side by side: Direct cis addition of bromoalkynes 1 to various alkynes 2 was found to proceed in the presence of a PdII catalyst to give difunctionalized enyne products 3. The method is facile for the synthesis of bromo alkenynes. Furthermore, an unusual mechanism is proposed. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.