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Direct synthesis of dicarbonyl PCP-iron hydride complexes and catalytic dehydrogenative borylation of styrene

Shi Jiang 1 Samuel Quintero-Duque 1 Thierry Roisnel 1 Vincent Dorcet 1 Mary Grellier 2 Sylviane Sabo-Etienne 2 Christophe Darcel 1 Jean-Baptiste Sortais 1
1 ISCR - Institut des Sciences Chimiques de Rennes
2 LCC - Laboratoire de chimie de coordination
Abstract : A new and efficient method based on the simple metalating reagent Fe(CO)(5) has been developed for the straightforward synthesis of well defined cyclometalled PCP iron carbonyl pincer complexes. The reaction proceeds cleanly under mild conditions at 30 degrees C and UV irradiation. Four hydride pincer complexes are synthesized and fully characterized as well as an intermediate dinuclear species. The new iron complexes are active and selective catalytic precursors for the dehydrogenative borylation of styrene with HBpin.
Keywords : n bond-cleavage pincer complexes carbonyl-complexes cobalt complexes hydrosilylation reactions alkene hydroboration diiron nonacarbonyl crystal-structures pre-catalyst cyclometalation
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01357395
Contributor : Laurent Jonchère <>
Submitted on : Monday, August 29, 2016 - 4:40:49 PM
Last modification on : Tuesday, May 4, 2021 - 3:33:56 PM

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UNIV-RENNES1 | ISCR | CNRS | SCR-CD | ISCR-PRATS | UR1-UFR-SPM | ISCR-OMC | INC-CNRS | UNIV-RENNES | INSA-GROUPE | UNIV-TLSE3 | LCC | INSA-RENNES

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Shi Jiang, Samuel Quintero-Duque, Thierry Roisnel, Vincent Dorcet, Mary Grellier, et al.. Direct synthesis of dicarbonyl PCP-iron hydride complexes and catalytic dehydrogenative borylation of styrene. Dalton Transactions, Royal Society of Chemistry, 2016, 45 (27), pp.11101--11108. ⟨10.1039/c6dt01149g⟩. ⟨hal-01357395⟩

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