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Regiospecific silver[I] promoted, palladium[O]-catalyzed intramolecular addition of aryl iodides to vinyl sulfones

Treatment of aryl iodides with 5% tetrakis(triphenylphosphine)palladium[O] in the presence of silver nitrate and triethylamine in acetonitrile at reflux effects intramotecular conjugate-addition/reductive elimination to generate an annulated vinyl sulfone. Omission of the silver nitrate produces mix...

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Bibliographic Details
Published in:Tetrahedron letters 1993-08, Vol.34 (33), p.5205-5208
Main Authors: Jin, Zhendong, Fuchs, P.L.
Format: Article
Language:English
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Summary:Treatment of aryl iodides with 5% tetrakis(triphenylphosphine)palladium[O] in the presence of silver nitrate and triethylamine in acetonitrile at reflux effects intramotecular conjugate-addition/reductive elimination to generate an annulated vinyl sulfone. Omission of the silver nitrate produces mixtures of vinyl and allyl sulfones. Graphic
ISSN:0040-4039
1873-3581
DOI:10.1016/S0040-4039(00)73953-0