Oxidative imination of toluenes catalyzed by Pd–Au/silica gel under mild reaction conditions
作者:Xinjiang Cui、Feng Shi、Youquan Deng
DOI:10.1039/c2cc31438j
日期:——
A PdâAu/SiO2 catalyst was prepared for the oxidative imination of toluenes with up to 99% yields in the absence of dehydrating agents under mild conditions. Nanoparticles with a PdO layer and PdOâAu core may be the active structure for the reaction.
Evolution of Late Transition-Metal-Catalyzed Intermolecular Reductive Coupling Reaction of [60]Fullerene and N-Sulfonylaldimines: Competing Formation of Hydrobenzylated [60]Fullerenes and 1,2-Dihydrofullerene
作者:Venkatachalam Rajeshkumar、Shih-Ching Chuang
DOI:10.1002/ejoc.201200055
日期:2012.7
coupling of [60]fullerene with N-sulfonylaldimines to afford novel 1,2hydrobenzylated [60]fullerene derivatives. We found that both group VIIB metals (cobalt, rhodium, iridium) and group VIIIB metals (nickel, palladium, platinum) perform this coupling reaction. A control experiment in the absence of aldimines produced C60H2, which showed that the reaction might proceed via a [60]fullerene metal complex
Amide Iridium Complexes As Catalysts for Transfer Hydrogenation Reduction of <i>N</i>-sulfonylimine
作者:Huiling Wen、Nianhua Luo、Qianheng Zhu、Renshi Luo
DOI:10.1021/acs.joc.0c02680
日期:2021.3.5
water-soluble amide iridium complexes-catalyzed transfer hydrogenation reduction of N-sulfonylimine is developed, which can be carried out under environmentally friendly conditions, affording a series of sulfonamide compounds in excellent yields (96–98%). In comparison with organic solvents, water is shown to be critical for a high catalytic transfer hydrogenation reduction in which the catalyst loading can
A phosphine-catalyzed reaction of α-substituted allenes with aryl imines delivers valuable highly functionalized itaconimide derivatives with excellent stereoselectivities: The reaction was found to exhibit an unusual reaction mode involving the β′-carbon position of α-substituted allenes under mild conditions. Mechanistic studies and control experiments reveal the crucial role of H2CO3 for the present
α-取代丙二烯与芳基亚胺的膦催化反应产生了具有优异立体选择性的有价值的高功能化衣康酰亚胺衍生物:发现该反应在温和条件下表现出涉及α-取代丙二烯的β'-碳位置的不寻常反应模式。机理研究和控制实验揭示了H 2 CO 3对于当前反应模式的关键作用。
Ferric Perchlorate Promoted Reaction of [60]Fullerene with <i>N</i>-Sulfonyl Aldimines: Synthesis and Functionalization of Fulleroxazolidines
作者:Tong-Xin Liu、Fa-Bao Li、Dian-Bing Zhou、Guan-Wu Wang
DOI:10.1021/acs.joc.5b01868
日期:2015.12.18
The rare fulleroxazolidines 2 were successfully synthesized by the facile ferric perchlorate promoted reaction of [60]fullerene with various N-sulfonyl aldimines 1. Further functionalization of fulleroxazolidines by arenes in the presence of boron trifluoride afforded 1,4-bisarylation products 4. A possible reaction mechanism for the formation of the fulleroxazolidines is proposed.