ChemInform Abstract: Photosilylation of Electron‐Deficient Alkenes by Use of Disilanes via Photo‐Induced Electron‐Transfer.

Abstract The activated olefins (I) and (V) are irradiated in the presence of hexamethyldisilane (II) and phenanthrene to give the saturated aducts (III) or (VI) and the hydrogenated products (IV) or (VII), together with the dimers (VIII).