Copper-catalyzed aerobic oxidative cross-coupling reactions of vinylarenes with sulfinate salts: A direct approach to β-ketosulfones
作者:Yu Chen、Lei Xu、Biyu Wang、Jingjing Jiang、Yixiang Sun、Longchun Li
DOI:10.1016/j.tetlet.2020.152794
日期:2021.2
A copper-catalyzed aerobic oxidative cross-couplingreactions for the synthesis of β-ketosulfones via formation of a CS bond has been demonstrated. Promoted by the crucial copper catalyst, perfect selectivity and good to excellent yields could be achieved. This method, including inexpensive copper catalyst, wide functional group tolerance, and open air conditions, make it very attractive and practical
Synthesis of<i>β</i>-Ketosulfone Derivatives As New Non-Cytotoxic Urease Inhibitors<i>In Vitro</i>
作者:Sarosh Iqbal、Ajmal Khan、Rashid Nazir、Shumaila Kiran、Shahnaz Perveen、Khalid M. Khan、Muhammad I. Choudhary
DOI:10.2174/1573406415666190415163309
日期:2020.2.20
Peptic ulcer and urolithiasis are largely due to infection caused by ureaseproducing bacteria. Therefore, the discovery of urease inhibitors is an important area of medicinal chemistry research. Objective: The main aim of the work was to identify novel urease inhibitors with no cytotoxicity. Methods: During the current study, a series of β-ketosulfones 1-26 was synthesized in two steps and evaluated
One-pot synthesis of .beta.-keto sulfones and .beta.-keto sulfoxides from carboxylic acids
作者:C. Alvarez Ibarra、R. Cuervo Rodriguez、M. C. Fernandez Monreal、F. J. Garcia Navarro、J. Martin Tesorero
DOI:10.1021/jo00284a043
日期:1989.11
ALVAREZ, IBARRA C.;CUERVO, RODRIGUEZ R.;FERNANDEZ, MONREAL M. C.;GARCIA, +, J. ORG. CHEM., 54,(1989) N3, C. 5620-5623
作者:ALVAREZ, IBARRA C.、CUERVO, RODRIGUEZ R.、FERNANDEZ, MONREAL M. C.、GARCIA, +
DOI:——
日期:——
Catalytic and direct methyl sulfonylation of alkenes and alkynes using a methyl sulfonyl radical generated from a DMSO, dioxygen and copper system
作者:Yaojia Jiang、Teck-Peng Loh
DOI:10.1039/c4sc01901f
日期:——
This paper describes an efficient method to β-keto methyl sulfones and (E)-vinyl methyl sulfones using DMSO as the substrate. The methyl sulfonyl radical generated from DMSO in the presence of catalytic Cu(I) under O2 atmosphere is believed to be involved in this reaction. Isotopic labeling and 18O2 experiments were performed to investigate the reaction mechanism.
本文介绍了一种有效的方法,以DMSO为底物,制备β-酮甲基砜和(E)-乙烯基甲基砜。据信在O 2气氛下在催化性Cu(I)存在下由DMSO产生的甲基磺酰基自由基参与了该反应。进行同位素标记和18 O 2实验以研究反应机理。