Unprecedented Formation of 2-Aryl-3-oxocyclobut-1-enyl Ligand from 3-Arylpropargyl Chloride, Carbon Monoxide, and Pd(0) or Pt(0) Complex

Azami H; Tsukada T; Tanifuji R; Seki R; Iwasaki M

Chemistry Letters, Vol.44, No.11, 1550-1551, 2015

Azami H, Tsukada T, Tanifuji R, Seki R, Iwasaki M

2-Aryl-3-oxocyclobutenyl ligands are formed from the reaction of 3-aryl-substituted propargyl chlorides and [M(PPh3)(4)] (M = Pd and Pt) under pressurized CO.