Phosphine-Catalyzed α-<i>P</i>-Addition on Activated Alkynes: A New Route to P−C−P Backbones
作者:Delphine Lecerclé,、Marcin Sawicki、Frédéric Taran
DOI:10.1021/ol061589v
日期:2006.9
n-Tributylphosphine was found to efficiently catalyze the alpha-P addition of H-phosphonates, H-phosphinates, and H-phosphine oxide pronucleophiles on alkynes bearing phosphane oxide activating moieties. The reaction leads to 2-aryl-1-vinyl-1,1-diphosphane dioxide derivatives in good yields affording a new route to P - C - P backbones. The products of this reaction are easily converted to biologically important 1,1-bisphosphonates analogues.