以磺酰基叠氮、丙炔酸酯为原料,在Cu(OAc)2·H2O/Dppp催化下合成了标题化合物。产物结构经IR、1HNMR、13CNMR及元素分析证实。优化反应条件为:投料物质的量比n(磺酰基叠氮)∶n(丙炔酸酯)=1∶1.2,THF为溶剂,室温下反应10 min,总收率78%~90%,同时给出了可能的反应机理。该法具有反应时间短、收率高、操作简单、后处理方便的优点。 The title compound was synthesized from sulfonyl azide and propiolate catalyzed by Cu (OAc) 2 · H2O / Dppp. The structure of the product was confirmed by IR, 1HNMR, 13CNMR and elemental analysis. The optimal reaction conditions were as follows: the molar ratio of n (sulfonyl azide): n (propiolate) = 1: 1.2, THF as solvent, reaction at room temperature for 10 min, the total yield was 78% ~ 90% The possible reaction mechanism is given. The method has the advantages of short reaction time, high yield, simple operation and convenient post-treatment.