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By grafting well-defined metallic complexes on a solid support, surface organometallic chemistry provides a bridge between homogeneous and heterogeneous catalysis. This innovative approach has already proven its efficiency for several reactions: polymerization, olefin and alkane metathesis… However several fundamental questions remain open on the chemical role of the oxide surface, on the grafting...
La réaction de phénols disubstitués Ar–OH sur le complexe carbynique de tungstène W(≡CC(CH 3 ) 3 )(–CH 2 C(CH 3 ) 3 ) 3 conduit à la formation de nouveaux complexes carbyniques où un, deux ou trois ligands néopentyles sont remplacés par des groupes aryloxy. Par addition de quatre équivalents de phénol, il y a formation d'un complexe carbénique W(=CHC(CH...
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