Vinyl phosphonates were prepared with good yields in a one-pot, two-step transformation by Mitsunobu reaction of 2-hydroxyalkyl phenyl selenides with monoethyl esters of phosphonic acid followed by oxidation-elimination. ... Keywords: 2-hydroxyalkyl phenyl selenide, monoethyl esters of phosphonic acid, Mitsunobu condition, vinyl phosphonate, oxidation-elimination ... * Correspondent. E-mail: shengsr@jxnu.edu.cn ... Organophosphonates are an important ...