368-50-3Relevant academic research and scientific papers
A Broad-Spectrum Catalytic Amidation of Sulfonyl Fluorides and Fluorosulfates**
Wei, Mingjie,Liang, Dacheng,Cao, Xiaohui,Luo, Wenjun,Ma, Guojian,Liu, Zeyuan,Li, Le
supporting information, p. 7397 - 7404 (2021/02/16)
A broad-spectrum, catalytic method has been developed for the synthesis of sulfonamides and sulfamates. With the activation by the combination of a catalytic amount of 1-hydroxybenzotriazole (HOBt) and silicon additives, amidations of sulfonyl fluorides and fluorosulfates proceeded smoothly and excellent yields were generally obtained (87–99 %). Noticeably, this protocol is particularly efficient for sterically hindered substrates. Catalyst loading is generally low and only 0.02 mol % of catalyst is required for the multidecagram-scale synthesis of an amantadine derivative. In addition, the potential of this method in medicinal chemistry has been demonstrated by the synthesis of the marketed drug Fedratinib via a key intermediate sulfonyl fluoride 13. Since a large number of amines are commercially available, this route provides a facile entry to access Fedratinib analogues for biological screening.
(Chlorosulfonyl)benzenesulfonyl Fluorides - Versatile Building Blocks for Combinatorial Chemistry: Design, Synthesis and Evaluation of a Covalent Inhibitor Library
Tolmachova, Kateryna A.,Moroz, Yurii S.,Konovets, Angelika,Platonov, Maxim O.,Vasylchenko, Oleksandr V.,Borysko, Petro,Zozulya, Sergey,Gryniukova, Anastasia,Bogolubsky, Andrey V.,Pipko, Sergey,Mykhailiuk, Pavel K.,Brovarets, Volodymyr S.,Grygorenko, Oleksandr O.
, p. 672 - 680 (2018/11/23)
Multigram synthesis of (chlorosulfonyl)benzenesulfonyl fluorides is described. Selective modification of these building blocks at the sulfonyl chloride function under parallel synthesis conditions is achieved. It is shown that the reaction scope includes the use of (hetero)aromatic and electron-poor aliphatic amines (e.g., amino nitriles). Utility of the method is demonstrated by preparation of the sulfonyl fluoride library for potential use as covalent fragments, which is demonstrated by a combination of in silico and in vitro screening against trypsin as a model enzyme. As a result, several inhibitors were identified with activity on par with that of the known inhibitor.
