Deep Eutectic Mixture Catalysed the Synthesis of Disulfides Using Bunte Salts as Thiol Surrogates
作者:Yongsheng Zhou
DOI:10.3184/174751915x14323930440061
日期:2015.6
Buntesalts, easily prepared from odourless sodium thiosulfates and various alkyl and aryl halides, acted as thiol surrogates for preparation of disulfides in the presence of hydrogen peroxide and a Brønsted-acidic deep eutectic mixture. The reaction proceeded smoothly to give the corresponding disulfide products in moderate to good yields, leaving odourless sodium bisulfite and water as the by-products
An odorless thia-Michael addition using Bunte salts as thiol surrogates
作者:Ya-mei Lin、Guo-ping Lu、Chun Cai、Wen-bin Yi
DOI:10.1039/c5ra01381j
日期:——
A newly developed C–S bond formation process via acid-catalyzed thia-Michael addition has been demonstrated. The protocol, in which Buntesalts generated from odorless and inexpensive sodium thiosulfate and organic halides are used as the thiol precursors, provides an efficient approach for the synthesis of β-sulfido carbonyl compounds.
Imidazole Promoted Highly Efficient Large-Scale Thiol-Free Synthesis of Symmetrical Disulfides in Aqueous Media
作者:Babak Mokhtari、Ali Reza Kiasat、Javid Monjezi
DOI:10.1080/10426507.2014.1003643
日期:2015.10.3
Abstract A highly efficient and environmentally friendly method for the imidazole promoted preparation of symmetrical organic disulfides fromBuntesalts is described. This thiol-free procedure produces the desired disulfides even on a large scale by reaction of Buntesalts with imidazole in good to high yields in aqueous media.