Stereoselective synthesis of (Z)-1-alkylseleno-1-alkenes by Ni-catalyzed coupling reaction of (Z)-dialkylselenoethenes with organozinc halides

Article abstract of DOI:10.1080/00397919708004142

(Z)-Dialkylselenoethenes 2, prepared conveniently from the hydrozirconation of dialkylselenoacetylenes 1 with Cp₂Zr (H)Cl in THF followed by protonolysis, react readily at -10°C in THF with organozinc halides in the presence of a catalytic amou