Fig. 1: Summary of previous and current studies.
From: Decarboxylative tandem C-N coupling with nitroarenes via SH2 mechanism

a The significance of aromatic benzylic tertiary amines. b Recent radical progress on catalytic synthesis of secondary amines with cheap nitroarenes. c Synergistic catalytic tertiary amines synthesis from commercially abundant feedstocks, cheap nitroarenes, and carboxylic acids.