One-step construction of unsymmetrical thioureas and oxazolidinethiones from amines and carbon disulfide <i>via</i> a cascade reaction sequence
作者:Chaochao Ding、Shaoli Wang、Yaoguang Sheng、Qian Dai、Yunjie Zhao、Guang Liang、Zengqiang Song
DOI:10.1039/c9ra04540f
日期:——
oxazolidinethiones from amines and carbon disulfide has been achieved in DMSO without addition of extra reagents. The present protocol is compatible with various secondary amines and primary amines, and suitable for intermolecular and intramolecular reactions. Diverse unsymmetrical thioureas and oxazolidinethiones were efficiently obtained in good to excellent yields via a cascade reaction sequence.
在 DMSO 中实现了一种简洁而通用的方法,用于从胺和二硫化碳构建不对称硫脲和恶唑烷硫酮,而无需添加额外的试剂。本方案与各种二级胺和一级胺相容,适用于分子间和分子内反应。通过级联反应序列以良好至优异的产率有效地获得了多种不对称硫脲和恶唑烷硫酮。