ORNELAS, Catia; MÉRY, Denise; CLOUTET, Eric; ARANZAES, Jaime Ruiz; ASTRUC, Didier

doi:10.1021/ja077392v

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ORNELAS, Catia
Institut des Sciences Moléculaires [ISM]

MÉRY, Denise
Institut des Sciences Moléculaires [ISM]

CLOUTET, Eric

Laboratoire de Chimie des polymères organiques [LCPO]
Team 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies

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Journal of the American Chemical Society. 2008, vol. 130, n° 4, p. 1495-1506

American Chemical Society

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Olefin cross metathesis was used to efficiently functionalize, polyolefin dendrimers, polymers, and gold nanoparticles using the second-generation Grubbs catalyst. In these structures, the tethers were lengthened to prevent the facile cross metathesis that otherwise predominates in polyolefin dendrimers having short tethers. This synthetic strategy allows the one-step access to polyacid, polyester, and polyferrocenyl structures from polyolefins. Cross metathesis is also used to efficiently achieve an iterative divergent dendritic construction. All the cross metathesis reactions were monitored by H-1 NMR showing the chemio-, regio-, and stereoselectivity. MALDI-TOF mass spectrometry was a very useful technique to confirm the efficiency of this synthetic strategy< Leer menos

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divergent

gold nanoparticles

dendrimer

olefin cross metathesis

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Cross olefin metathesis for the selective functionalization, ferrocenylation, and solubilisation in water of olefin-terminated dendrimers, polymers, and gold nanoparticles and for a divergent dendrimer construction

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