Synthesis of (<i>E</i>)- and (<i>Z</i>)- Alkenylphosphonates Using Vinylboronates KabalkaGeorge W. GuchhaitSankar K. 2003 (<i>E</i>)- and (<i>Z</i>)-alkenylphosphonates have been prepared stereospecifically via the reaction of vinylboronate esters with triethyl phosphite in the presence of palladium acetate.