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Nouvelles bipyridines polyhalogénées : synthèse, fonctionnalisation et caractérisation par diffraction des rayons X

Abstract : We have developed a simple and original procedure for the synthesis of halogenated 4,4'-bipyridines based on the lithiation of halopyridines. The mechanism of the reaction has been studied by isolation and characterization of several byproducts. The methodology was then applied to the formation of several 4,4'-bipyridines bearing chlorine, bromine, and even iodine. In some cases we could isolate bipyridines having 3,4' and 2,4' connectivity. Some 4,4'-bipyridine have been functionalized by Suzuki cross-coupling and Buchwald-Hartwig double amination. Most representative products were characterized by X-ray diffraction and showed specific halogen interactions
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https://hal.univ-lorraine.fr/tel-01746389
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Mohamed Abboud. Nouvelles bipyridines polyhalogénées : synthèse, fonctionnalisation et caractérisation par diffraction des rayons X. Autre [cond-mat.other]. Université Henri Poincaré - Nancy 1, 2011. Français. ⟨NNT : 2011NAN10003⟩. ⟨tel-01746389⟩

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