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Pure phosphotriesters as versatile ligands in transition metal catalysis: efficient hydrosilylation of ketones and diethylzinc addition to aldehydes

Abstract : This work aims to highlight the underrated role played by pure phosphotriester (or phosphate) ligands in catalysis, when compared to other phosphorus-containing donors such as phosphane oxides or phosphites. To probe this and to enlarge the very narrow catalytic scope of these Lewis bases, easily accessible mono-and bidentate phosphotriesters were tested as donors in two important transition metal-based catalytic transformations: the zinc-catalyzed hydrosilylation of ketones and the titanium-promoted diethylzinc addition to aldehydes. In both cases, the reactions were successful and the corresponding alcohols were obtained in high yields.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01559213
Contributor : Laurent Jonchère <>
Submitted on : Monday, July 10, 2017 - 2:53:54 PM
Last modification on : Thursday, March 5, 2020 - 2:06:41 PM

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M. Bouhachicha, A. Ngo Ndimba, T. Roisnel, C. Lalli, G. Argouarch. Pure phosphotriesters as versatile ligands in transition metal catalysis: efficient hydrosilylation of ketones and diethylzinc addition to aldehydes. New Journal of Chemistry, Royal Society of Chemistry, 2017, 41 (12), pp.4767--4770. ⟨10.1039/c7nj00566k⟩. ⟨hal-01559213⟩

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