简介:Thepalladium-salencomplexpalladium(Ⅱ)N,N'-bis{[5-(triphenylphosphonium)-methyl]salicylidene}-l,2-ethanediaminechloridewasfoundtobeahighlyactivecatalystforthecopper-andsolvent-freecouplingreactionofterminalalkyneswithdifferentacylchloridesinthepresenceoftriethylamineasbase,givingexcellentynonesunderaerobicconditions.