Expedient Synthesis of Functionalized Conjugated Enynes: Palladium-Catalyzed Bromoalkynylation of Alkynes
作者:Yibiao Li、Xiaohang Liu、Huanfeng Jiang、Zhenning Feng
DOI:10.1002/anie.201000003
日期:2010.4.26
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.
并排:发现在Pd II催化剂存在下,将 溴代炔烃1直接顺式加成至各种炔烃2中可得到双官能化的炔烃产物3。该方法易于合成溴代炔烃。此外,提出了一种不寻常的机制。