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。
Substituted Pyrroles and Imidazoles, Compositions Containing Same, Manufacturing Process Therefor and Use Thereof
申请人:RONAN Baptiste
公开号:US20080045542A1
公开(公告)日:2008-02-21
The disclosure concerns substituted imidazoles and pyrroles, compositions containing the same, the preparation thereof, and the use thereof as medicaments, particularly as anti-cancer agents.