Sulfonyl Fluoride Synthesis through Electrochemical Oxidative Coupling of Thiols and Potassium Fluoride
作者:Gabriele Laudadio、Aloisio de A. Bartolomeu、Lucas M. H. M. Verwijlen、Yiran Cao、Kleber T. de Oliveira、Timothy Noël
DOI:10.1021/jacs.9b06126
日期:2019.7.31
Sulfonylfluorides are valuable synthetic motifs for a variety of applications, among which sulfur(VI) fluoride exchange-based “click chemistry” is currently the most prominent. Consequently, the development of novel and efficient synthetic methods to access these functional groups is of great interest. Herein, we report a mild and environmentally benign electrochemical approach to prepare sulfonyl
[EN] A PROCESS FOR THE PREPARATION OF ALCAFTADINE<br/>[FR] PROCÉDÉ DE PRÉPARATION D'ALCAFTADINE
申请人:NEULAND LAB LTD
公开号:WO2014083571A1
公开(公告)日:2014-06-05
An improved process for preparation of Alcaftadine, its crystalline form or its pharmaceutically acceptable salts is disclosed alongwith a process for purification of Alcaftadine or its pharmaceutically acceptable salts.
A practical and sustainable synthesis of arylsulfonate esters has been developed through electro-oxidation. This reaction employed the stable and readily available phenols and sodium arenesulfinates as the starting materials and took place under mild reaction conditions without additional oxidants. A wide range of arylsulfonate esters including those bearing functional groups were produced in good
Electrochemical Synthesis of Sulfonyl Fluorides with Triethylamine Hydrofluoride
作者:Lei Zhang、Xu Cheng、Qi‐Lin Zhou
DOI:10.1002/cjoc.202200112
日期:2022.7.15
manufacture diverse fluoro chemicals. The Et3N-3HF complex is a liquid HF with improve safety. In this work, we report electrochemical synthesis of a series of sulfonyl fluoride with Et3N-3HF as fluoride source. The sulfinic salt is a smell-less, non-volatile, and air-stable sulfur source in this reaction. With the combination of Et3N-3HF and aryl/alkyl sulfinic salt, the sulfonyl fluorides are achieved without
氢氟酸是工业上首选的氟化物来源,广泛应用于制造各种含氟化学品。Et 3 N-3HF 复合物是一种提高安全性的液体 HF。在这项工作中,我们报道了以 Et 3 N-3HF 作为氟化物源的一系列磺酰氟的电化学合成。在该反应中,亚磺酸盐是一种无味、不挥发且对空气稳定的硫源。通过 Et 3 N-3HF 和芳基/烷基亚磺酸盐的组合,无需使用外部氧化剂即可获得磺酰氟。此外,我们在涉及 Pd 催化的 C-S 交叉偶联和 S-F 键形成的串联反应中展示了进一步的优势。包括氨基酸、杂环、卤化物在内的多种官能团具有良好的耐受性。
Quinoline Derivatives as NK-3 Antagonists
申请人:Farina Carlo
公开号:US20060223819A1
公开(公告)日:2006-10-05
Certain compounds of formula (I) below or a pharmaceutically acceptable salt or hydrate thereof: a process for preparing such compounds, a pharmaceutical composition comprising such compounds and the use of such compounds and composition in medicine.