Cross-Coupling of Sodium Sulfinates with Aryl, Heteroaryl, and Vinyl Halides by Nickel/Photoredox Dual Catalysis
作者:Huifeng Yue、Chen Zhu、Magnus Rueping
DOI:10.1002/anie.201711104
日期:2018.1.26
catalyzed sulfonylation reaction of aryl, heteroaryl, and vinylhalides has been achieved for the first time. This newly developed sulfonylation protocol provides a versatile method for the synthesis of diverse aromatic sulfones at room temperature and shows excellent functional group tolerance. The electrophilic coupling partners are not limited to aryl, heteroaryl, and vinyl bromides and iodides, but also
Iodine-mediated synthesis of (E)-vinyl sulfones from sodium sulfinates and cinnamic acids in aqueous medium
作者:Jian Gao、Junyi Lai、Gaoqing Yuan
DOI:10.1039/c5ra10896a
日期:——
With water as the reaction medium, a green and efficient method has been developed for the synthesis of (E)-vinylsulfones via I2-mediated decarboxylative cross-coupling reactions of sodium sulfinates with cinnamic acids. This synthetic route could effectively avoid the use of toxic organic solvents and transition metal catalysts, and the target products could be obtained with moderate to excellent
Copper-Catalyzed Heck-Type Couplings of Sulfonyl Chlorides with Olefins: Efficient and Rapid Access to Vinyl Sulfones
作者:Lixia Liu、Pan Xue、Qiulin Chen、Chengming Wang
DOI:10.1016/j.tetlet.2021.153319
日期:2021.9
A copper-catalyzed redox-neutral alkene sulfonylation reaction has been developed. This reported protocol can be easily scale up to a gram scale, and smoothly applied to the late-stage modification of several bioactive molecules.
A stereoselective synthesis of (E)-vinyl sulfones has been developed via electrochemical oxidative N–S bond cleavage of aromatic sulfonylhydrazides, followed by cross-coupling reactions with cinnamic acids to form the C–S bond. The protocol proceeded smoothly to afford (E)-vinyl sulfones in good yields with wide substrate scope under metal-free and halogen-free conditions.
Electron Donor–Acceptor Complex Enabled Decarboxylative Sulfonylation of Cinnamic Acids under Visible-Light Irradiation
作者:Qian-Qian Ge、Jia-Sheng Qian、Jun Xuan
DOI:10.1021/acs.joc.9b00552
日期:2019.7.5
Visible-light-induced decarboxylative sulfonylation of cinnamicacids with aryl sulfonate phenol esters enabled by the electron donor–acceptor complex is developed. The method offers a mild and green approach for the synthesis of vinyl sulfones with excellent functional group compatibility under photocatalyst and oxidant-free conditions.