Acetylene and 1-alkynes react with carbon monoxide under basic conditions (amines) with nickel(II) complexes. L2NiBr2 (L = Et2NH, (C6H5)3P), to give acetylencarboxamides with maintenance of the triple bond. Intermediates are isolated, characterised and a mechanism is proposed.
乙炔和1-
炔烃在碱性条件下(胺)与
一氧化碳反应,生成
镍(II)配合物。L 2 NiBr 2(L = Et 2 NH,(C 6 H 5)3 P),得到维持三键的乙酰羧酰胺。对中间体进行了分离,表征并提出了一种机理。