作者:Reko Leino、Jan-Erik Lönnqvist
DOI:10.1016/j.tetlet.2004.09.100
日期:2004.11
of symmetrical aliphatic, aromatic and heteroaromatic disulfides is reported. Addition of sulfuryl chloride to an alkyl- or arylthiol in a 1:2 ratio under solvent free conditions or in dichloromethane solution produces the corresponding disulfides in nearly quantitative yields with the concomitant elimination of gaseous SO2 and 2 equiv of HCl. Thus, optimally the reaction needs no work-up at all leaving
据报道,偶然发现了一种极其简单,快速且以前未报道的制备对称脂族,芳族和杂芳族二硫化物的方法。在无溶剂条件下或在二氯甲烷溶液中,将硫酰氯以1:2的比例添加到烷基硫醇或芳硫醇中,以几乎定量的产率生成相应的二硫化物,同时消除了气态SO 2和2当量的HCl。因此,最佳地,该反应根本不需要后处理,而使二硫化物作为唯一产物以优异的产率。在二氯甲烷溶液中,通过在圆底烧瓶中混合溶剂,硫醇和SO 2 Cl 2,然后在挥发物中蒸发,可以方便地在旋转蒸发仪中进行反应。