Hybrid Calix[4]arenes via Ionic Hydrogenation and Transition-Metal-Mediated Processes

Hybrid Calix[4]arenes via Ionic Hydrogenation and Transition-Metal-Mediated Processes

We report the first application of ionic hydrogenation for the synthesis of upper-rim urea- or carbamate-derived hybrid calix[4]arenes. Subsequent metal-mediated transformations using 4-iodophenylurea calixarenes afforded structurally unique 1,3-di(biaryl)-, 1,3-di(biarylalkyne)-, or 1,3-(biaryl)(bi...

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Veröffentlicht in:Organic letters 2009-06, Vol.11 (12), p.2483-2486
Hauptverfasser: Bew, Sean P, Brimage, Rebecca A, Hiatt-Gipson, Glyn, Sharma, Sunil V, Thurston, Sean
Format: Artikel
Sprache:eng
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Zusammenfassung:We report the first application of ionic hydrogenation for the synthesis of upper-rim urea- or carbamate-derived hybrid calix[4]arenes. Subsequent metal-mediated transformations using 4-iodophenylurea calixarenes afforded structurally unique 1,3-di(biaryl)-, 1,3-di(biarylalkyne)-, or 1,3-(biaryl)(biarylalkyne)-derived hybrid calixarenes.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol900714n