Rafaïdeen, Thibault Coutanceau, Christophe
Pt$_{10-x}$Ru$_x$/C materials are synthesised using a classical polyol method and comprehensively characterised by thermogravimetric analysis, inductively coupled plasma – optical emission spectroscopy, electron transmission microscopy and x-ray diffraction. In N$_2$-saturated electrolyte, the PtRu/C catalysts display lower onset potentials for ads...
Zain Aldin, Mohammed Zaragoza, Guillermo Choquenet, Eva Blampain, Guillaume Berger, Gilles Delaude, Lionel
peer reviewed / Five cationic ruthenium-arene complexes with the generic formula [Ru(SAc)(S2C·NHC)(p-cymene)](PF6) (5a-e) were prepared in almost quantitative yields using a straightforward one-pot, two-step experimental procedure starting from [RuCl2(p-cymene)]2, an imidazol(in)ium-2-dithiocarboxylate (NHC·CS2) zwitterion, KSAc, and KPF6. These ha...
周, 欣
京都大学 / 新制・課程博士 / 博士(理学) / 甲第25482号 / 理博第5063号 / 新制||理||1722(附属図書館) / 京都大学大学院理学研究科化学専攻 / (主査)教授 北川 宏, 教授 有賀 哲也, 教授 堀毛 悟史 / 学位規則第4条第1項該当 / Doctor of Science / Kyoto University / DGAM
Bethegnies, Aurelien Saint Pol, Anthony Mouhsine, Bouchaib Dumont, C. Sauthier, Mathieu
Direct α-allylation of aldehydes and ketones have been carried out with allyl alcohol or diallylether in the presence of the ruthenium catalyst RuCp(PPh3)2OTs. The presence of PTSA appeared necessary to prevent isomerization of allyl alcohol into propanal. A large variety of aldehydes and ketones could be allylated in those conditions with high yie...
Long, Yanju Shen, Yong Jiang, Pingping Su, Hui Xian, Jiahui Sun, Yamei Yang, Jun Song, Haili Liu, Qinghua Li, Guangqin
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Published in
Science bulletin
The development of cost-effective electrocatalysts with high efficiency and long durability for hydrogen evolution reaction (HER) remains a great challenge in the field of water splitting. Herein, we design an ultrafine and highly dispersed Ru nanoparticles stabilized on porous V8C7/C matrix via pyrolysis of the metal-organic frameworks V-BDC (BDC:...
bauder, claude sémeril, david
A convenient protocol for the synthesis of 25,26,27-tribenzoyl-28-[((S)-1-diphenylphos- phanyl-propan-2-yl)oxy]-calix[4]arene via stereospecific methylation on Evans’ oxazolidinone moiety was reported. According to the 13C NMR analysis of this phosphine, the calix[4]arene skeleton adopted a 1,3-alternate conformation. The latter conformation of the...
Colliere, Vincent Verelst, Marc Lecante, Pierre Axet, M Rosa
Published in
Chemistry (Weinheim an der Bergstrasse, Germany)
Colloidal Ru nanoparticles (NP) display interesting catalytic properties for the hydrogenation of (hetero)arenes as they proceed efficiently in mild reaction conditions. In this work, a series of Ru based materials was used in order to selectively hydrogenate quinaldine and assess the impact of the stabilizing agent on their catalytic performances....
Krzesinski, Pawel
No doubt catalysis is one of the most relevant tools used in the chemical industry, allowing to obtain a myriad of sometimes otherwise inaccessible molecules. Catalyst's auxiliary ligands play a significant role in defining the activity, selectivity and stability of the resulting catalysts. In this respect, N-heterocyclic carbene (NHC) ligands have...
Kozmelj, Tina Ročnik Bartolomei, Erika Dufour, Anthony Leclerc, Sebastien Arnoux, Philippe Likozar, Blaž Jasiukaitytė-Grojzdek, Edita Grilc, Miha Le Brech, Yann
The development of effective lignin depolymerization is essential for the extraction of aromatic building blocks from renewable resources. In this study, technical lignins (Soda and Kraft) were depolymerized in supercritical ethanol using Ru/C as a catalyst in an inert (N 2) or a reducing (H 2) atmosphere. The effects of lignin structure and atmosp...
steinmetz, maxime gourlaouen, christophe sémeril, david
The chloro-P,N-{diphenylphosphanyl-[(5-phenyl-1,3,4-oxadiazol-2-ylamino)phenyl-me- thyl]}(p-cymene)ruthenium(II) hexafluorophosphate complex (4) was obtained in two steps from diphenylphosphanyl-[(5-phenyl-1,3,4-oxadiazol-2-ylamino)phenyl-methyl] borane (2). In the first step, the oxadiazole ring coordinated with the ruthenium atom, resulting in th...