Chemoselective hydrogenation of arenes by PVP supported Rh nanoparticles

Abstract

Polyvinyl pyrrolidone-stabilized Rh nanoparticles (RhNPs/PVP) of ca. 2.2 nm in size were prepared by the hydrogenation of an organometallic complex [Rh(η 3 -C 3 H 5 ) 3 ] in the presence of PVP and evaluated as a catalyst in the hydrogenation of a series of arene substrates as well as levulinic acid and methyl levulinate Q3 .Please check this proof carefully. Our staff will not read it in detail after you have returned it.Translation errors between word-processor files and typesetting systems can occur so the whole proof needs to be read. Please pay particular attention to: tabulated material; equations; numerical data; figures and graphics; and references. If you have not already indicated the corresponding author(s) please mark their name(s) with an asterisk. Please e-mail a list of corrections or the PDF with electronic notes attached -do not change the text within the PDF file or send a revised manuscript. Corrections at this stage should be minor and not involve extensive changes. All corrections must be sent at the same time.Please bear in mind that minor layout improvements, e.g. in line breaking, table widths and graphic placement, are routinely applied to the final version.We will publish articles on the web as soon as possible after receiving your corrections; no late corrections will be made.Please return your final corrections, where possible within 48 hours of receipt, by e-mail to: dalton@rsc.orgQueries for the attention of the authors

Rhodium nanoparticles inside well-defined unimolecular amphiphilic polymeric nanoreactors: synthesis and biphasic hydrogenation catalysis

“…These selectivities are similar to those reported in the previous studies. 86,104 For the RhNP@CCM-N catalyst with P/Rh ¼ 1, the most interesting comparison is between entries 2, 9 and 12, because the NPs in this catalyst (Fig. 2) are located near the PEO surface functions.…”

Organometallic Metal Nanoparticles for Catalysis

“…Even after several recycles of the supported nanocatalysts, Rh NPs containing phosphorus ligands displayed lower activity, underlining the strength of the ligand coordination. The PVP-stabilized Rh NPs were also evaluated in the hydrogenation of various arenes as well as levulinic acid and methyl levulinate [33]. Excellent activity and selectivity towards aromatic ring hydrogenation in mild reaction conditions (r.t.; 1 bar of H2) were achieved.…”

Synthesis of Functional Chemicals from Lignin‐derived Monomers by Selective Organic Transformations

“…In addition, 2methoxylphenol, 2-methoxy-4-methylphenol, and 4ethyl-2-methoxyphenol were converted to a mixture of cyclohexanones (Scheme 27). [59] With respect to Rh catalysts, Suarez and his team [60] have synthesized Rh nanoparticles (RhNPs/PVP) and applied them as a catalyst for the hydrogenation of anisole and the desired product methoxycyclohexane was obtained in 99% yield at room temperature in presence of 1 bar of H 2 .…”

“…With respect to Rh catalysts, Suarez and his team [60] have synthesized Rh nanoparticles (RhNPs/PVP) and applied them as a catalyst for the hydrogenation of anisole and the desired product methoxycyclohexane was obtained in 99% yield at room temperature in presence of 1 bar of H 2 .…”