Photochemical metal-free aerobic oxidation of thiols to disulfides
作者:Nikoleta Spiliopoulou、Christoforos G. Kokotos
DOI:10.1039/d0gc03818k
日期:——
Thiol oxidation to disulfides is an area of great importance in organic synthesis, both for synthetic and biological purposes. Herein, we report a mild, inexpensive and green photochemical approach for the synthesis of both symmetrical and non-symmetrical disulfides, using metal-free and environmentally friendly conditions. Utilizing phenylglyoxylic acid as the photoinitiator, common household bulbs
Transition‐Metal‐Free Synthesis of Unsymmetrical Disulfides
<i>via</i>
Three‐Component Reaction of Thiosulfonates, Thiourea and Alkyl halides
作者:Dungai Wang、Quan He、Keqiang Shi、Mingteng Xiong、Yifeng Zhou、Yuanjiang Pan
DOI:10.1002/adsc.202100165
日期:2021.6.8
A transition-metal-free approach to synthesize unsymmetrical disulfides is reported that relies on a K2CO3-promoted one-pot reaction of thiosulfonates, thiourea and alkylhalides under mild conditions. The protocol tolerates a wide range of substrates, leading to various types of unsymmetrical disulfides in moderate to excellent yields. More importantly, the late-stage modification of natural products
据报道,一种合成不对称二硫化物的无过渡金属方法依赖于在温和条件下K 2 CO 3促进的硫代磺酸盐、硫脲和烷基卤化物的一锅反应。该协议容忍广泛的底物,导致各种类型的不对称二硫化物,产量中等至极好。更重要的是,还实现了天然产物和药物分子的后期修饰。
Substituted organosulfur compounds and methods of using thereof
申请人:Xu Xiao
公开号:US20050261321A1
公开(公告)日:2005-11-24
The present invention provides substituted di-, tri-, tetra- and penta-sulfide compounds and compositions, and methods of using the same for the treatment and/or prevention of a cell proliferative disorder. The present invention also provides methods for preparing trisulfide compounds and compositions.
Heterobifunctional poly (ethylene glycol) and uses thereof
申请人:Intezyne Technologies Inc.
公开号:EP2502941A1
公开(公告)日:2012-09-26
The present invention provides bifunctional polymers, methods of preparing the same, and intermediates thereto. These compounds are useful in a variety of applications including the PEGylation of biologically active molecules. The invention also provides methods of using said compounds and compositions thereof.