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À propos de : Indium(I) Iodide Promoted Cleavage of DiphenylDiselenide and Disulfide and SubsequentPalladium(0)-Catalyzed Condensation withVinylic Bromides. A Simple One-Pot Synthesis ofVinylic Selenides and Sulfides        

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  • Indium(I) Iodide Promoted Cleavage of DiphenylDiselenide and Disulfide and SubsequentPalladium(0)-Catalyzed Condensation withVinylic Bromides. A Simple One-Pot Synthesis ofVinylic Selenides and Sulfides
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  • Diphenyl diselenide (and disulfide) undergo facile reactionwith indium(I) iodide and the corresponding intermediatecomplex condenses in situ with a variety of substituted vinylbromides in the presence of a catalytic amount of tetrakis(triphenylphosphine)palladium(0) [Pd(PPh3)4] in THF atroom temperature to produce vinylic selenides and sulfidesin good yields. The conversion of (E)-vinyl bromides isremarkably stereoselective giving (E)-vinyl selenides(and sulpfides) whereas the stereoselectivity in reaction of(Z)-vinyl bromides is not very good.
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