名称:
                                Dialkynylation of aryl aldehydes using dialkynylboron chlorides: A transition-metal-free route to 1,4-diynes
                             
                            
                                摘要:
                                Dialkynylboron chlorides couple smoothly with aryl aldehydes at room temperature to afford 1,4-dialkynes in good to excellent yields. Dialkynylboron halides act simultaneously as Lewis acid and reactant in this coupling reaction. (C) 2012 Elsevier B. V. All rights reserved.
                             
                                                            
                                    DOI:
                                    10.1016/j.jorganchem.2012.09.008