Arylation of diarylamines catalyzed by Ni (II)-PPh3 system
C Chen, LM Yang
Index: Chen, Chen; Yang, Lian-Ming Organic Letters, 2005 , vol. 7, # 11 p. 2209 - 2211
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Citation Number: 44
Abstract
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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