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Visible-Light-Enabled Preparation of Palladium Nanoparticles and Application as Catalysts for Suzuki–Miyaura Coupling
Organic Letters ( IF 5.2 ) Pub Date : 2018-01-18 00:00:00 , DOI: 10.1021/acs.orglett.7b03892 Florian Mäsing 1 , Harald Nüsse 2 , Jürgen Klingauf 2 , Armido Studer 1
Organic Letters ( IF 5.2 ) Pub Date : 2018-01-18 00:00:00 , DOI: 10.1021/acs.orglett.7b03892 Florian Mäsing 1 , Harald Nüsse 2 , Jürgen Klingauf 2 , Armido Studer 1
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Silyl ketones were used for the preparation of palladium nanoparticles (PdNPs) starting with Pd(OAc)2 in dimethylformamide under irradiation with a visible light-emitting diode (LED). Variation of the silyl ketone structure allowed adjustment of the PdNP diameter (1.9 or 5.2 nm). The in situ-formed PdNPs were further stabilized with polyvinylpyrrolidone and then applied as recyclable catalysts in the Suzuki–Miyaura coupling of arylboronic acids with aryl iodides to obtain substituted biphenyls in excellent yields.
中文翻译:
可见光制备钯纳米颗粒的制备及其在铃木-宫浦偶联剂中的应用
甲硅烷基酮用于在可见光发光二极管(LED)照射下,从二甲基甲酰胺中的Pd(OAc)2开始制备钯纳米粒子(PdNPs )。甲硅烷基酮结构的变化允许调整PdNP直径(1.9或5.2 nm)。用聚乙烯吡咯烷酮进一步稳定原位形成的PdNPs,然后将其作为可回收催化剂用于芳基硼酸与芳基碘化物的Suzuki-Miyaura偶联中,从而以优异的收率获得取代的联苯。
更新日期:2018-01-18
中文翻译:
可见光制备钯纳米颗粒的制备及其在铃木-宫浦偶联剂中的应用
甲硅烷基酮用于在可见光发光二极管(LED)照射下,从二甲基甲酰胺中的Pd(OAc)2开始制备钯纳米粒子(PdNPs )。甲硅烷基酮结构的变化允许调整PdNP直径(1.9或5.2 nm)。用聚乙烯吡咯烷酮进一步稳定原位形成的PdNPs,然后将其作为可回收催化剂用于芳基硼酸与芳基碘化物的Suzuki-Miyaura偶联中,从而以优异的收率获得取代的联苯。