Arylation of Diarylamines Catalyzed by Ni(II)−PPh3 System
Organic Letters2005Vol. 7(11), pp. 2209–2211
Citations Over TimeTop 13% of 2005 papers
Abstract
[reaction: see text]. The cross-coupling of bromomagnesium diarylamides, generated in situ from diarylamines, with aryl bromides or iodides can be effected with a simple NiCl2(PPh3)2-PPh3 catalyst system under relatively mild conditions. This coupling reaction is an inexpensive, convenient, and practical method, functioning as an alternative to the corresponding Pd-catalyzed or Cu-mediated process for the synthesis of triarylamines.
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