Insertion of α-phosphorylcarbene moiety into S-S and Se-Se bonds: Synthesis of dithio- and diselenoacetals of formylphosphonates

Article abstract of DOI:10.1055/s-1996-4355

Reaction between diazomethanephosphonates and disulfides or diselenides catalyzed by boron trifluoride - diethyl ether complex leads to insertion of the (RO)₂P(O)-CH(:) moiety into S-S and Se-Se bonds, respectively. The proposed method makes it