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Synthetic study demonstrates efficient N-arylation of amines with aryl chlorides via a tuned proazaphosphatrane ligand, highlighting an effective catalytic system for carbazole synthesis.
The N ‐arylation of various amines with aryl chlorides proceeded in good‐to‐excellent yields in the presence of P[N{( p ‐NMe 2 )C 6 H 4 CH 2 }CH 2 CH 2 ] 3 N ( 1e , a new electron‐rich proazaphosphatrane ligand) and small amounts of Pd 2 (dba) 3 (dba = dibenzylideneacetone). This catalytic system was also very effective for the synthesis of carbazoles.
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Kim et al. (2015) studied this question.
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