2000 organo-selenium compounds, isocyclic C derivatives

organo-selenium compounds, isocyclic C derivativesS 0134

12 - 186Copper(II)/Tin(II) Reagent for Allylation, Propargylation, Alkyny-lation, and Benzylation of Diselenides: A Novel Bimetallic Reactivity.— Reaction of stannous chloride with diselenides (I), (X), (XIII), and (XVI)and bromides (II), (IV), (VI), (VIII), (XI), (XIV), and (XVII) in the presenceof catalytic amounts of cupric halide results in the formation of unsymmetricalselenides in good to excellent yields involving a distinct bimetallic reactivity.The catalytic mechanism is discussed. — (KUNDU, ABHIJIT; ROY, SUJIT;Organometallics 19 (2000) 1, 105-107; Met.-Org. Lab., Indian Inst. Chem.Technol., Hyderabad 500 007, India; EN)

1