array(2) { ["lab"]=> string(3) "361" ["publication"]=> string(4) "4726" } Palladium-Catalyzed C−H Silylation through Palladacycles Generated from Aryl Halides - 张扬会课题组 | LabXing

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大学 同济大学 / 化学科学与工程学院
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Palladium-Catalyzed C−H Silylation through Palladacycles Generated from Aryl Halides

2017
期刊 Angewandte Chemie International Edition
A highly efficient palladium‐catalyzed disilylation reaction of aryl halides through C−H activation has been developed for the first time. The reaction has broad substrate scope. A variety of aryl halides can be disilylated by three types of C−H activation, including C(sp2)−H, C(sp3)−H, and remote C−H activation. In particular, the reactions are also unusually efficient. The yields are essentially quantitative in many cases, even in the presence of less than 1 mol % catalyst and 1 equivalent of the silylating reagent under relatively mild conditions. The disilylated biphenyls can be converted into disiloxane‐bridged biphenyls.

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