Tetrahedron p. 1395 - 1402 (2015)
Update date:2022-07-30
Topics:
Kanazawa, Yoshinori
Yokota, Tomo
Ogasa, Hiroshi
Watanabe, Hirotaka
Hanakawa, Taisyun
Soga, Shinichi
Kawatsura, Motoi
We report the chemoselective amination of bromoiodobenzenes with diarylamines by palladium/Xantphos or a ligand-free copper catalyst. The reactions by these two types of catalysts proceeded with a high chemoselectivity and afforded monobrominated triarylamines in good yields. These products are useful intermediates for the synthesis of unsymmetrical bistriarylamines.
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