Results 21 to 30 of about 53,119 (305)

Rhodium-Catalyzed Chemodivergent Pyridylation of Alkynes with Pyridylboronic Acids

, 2022
The pyridylation of alkynes with pyridylboronic acids is realized under rhodium catalysis. Chemodivergent pyridylation products, including alkenylpyridines produced via the hydropyridylation pathway and cyclopenta­[c]­pyridines produced via the ...
Weijun Yao (1689823), Huilong Zhu (9503861), Junhao Xing (5179799), Changhui Wu (5179805), Chenhong Wang (9663171), Xiaowei Dou (1689820)   +5 more
core   +1 more source

Promoting effect of Rh on the activity and stability of Pt-based methane combustion catalyst in microreactors

Catalysis Communications, 2021
For the combustion of methane, a partial replacement of platinum by rhodium leads to a significantly improved light-off behavior of the corresponding mixed Pt-Rh/γ-Al2O3 catalysts compared to a catalyst containing only Pt supported on γ-Al2O3. For all Pt-
Stefan Neuberg, Helmut Pennemann, Vetrivel Shanmugam, Ralf Zapf, Gunther Kolb   +4 more
doaj   +1 more source

Rhodium-Catalyzed Asymmetric Functionalization of Quinoxalinium Salts

, 2023
We report a rhodium-catalyzed asymmetric addition of aryl and alkenyl boronic acids to quinoxalinium salts that generates dihydroquinoxalines with high enantioselectivity.
Jensen S. Hammons (17598235), Kacey G. Ortiz (15676291), Rashad R. Karimov (2472985)   +2 more
core   +1 more source

The global rhodium market: current trends and prospects

RUDN Journal of Economics
The research is devoted to analysing the current state of the market of the most expensive platinum group metal over the last thirty years - rhodium. The study considers the main problems of the global rhodium market over the last decade.
Svetlana I. Kapustina, Daria S. Sokolan
doaj   +1 more source

Determination of rhodium content by the method of Stripping voltammetry in ores and technogenic raw materials

MATEC Web of Conferences, 2016
The method of determination of rhodium by the method of Stripping voltammetry in ores and technogenic raw materials has been developed. Determination of rhodium (III) in solution by Stripping voltammetry method was carried out by peak of selective ...
Kolpakova N.A., Dyachenko E.N.
doaj   +1 more source

Cryogenic microcarrier-assisted stem cell storage (Cryo-MASCS): a preservation method enabling scalable culture of human mesenchymal stem cells

Stem Cell Research & Therapy
Microcarrier (µC) suspension systems enable closed, high-density manufacturing of human mesenchymal stem cells (MSCs), but current workflows remain labor-intensive because they require post-thaw cryoprotectant removal and static culture steps to allow ...
Carolina Rivera-Crespo, Leonel Velez-Román, Miosotis Acevedo-Esquilin, Heath J. Mills, Olivia Gámez Holzhaus, Maribella Domenech-García   +5 more
doaj   +1 more source

Rhodium-Catalyzed Intramolecular Silylcarbotricyclization (SiCaT) of Triynes

, 2016
Rhodium-Catalyzed Intramolecular Silylcarbotricyclization (SiCaT) of ...
James V. McCullagh (2662708), Iwao Ojima (295240), An T. Vu (2348491), Atsushi Kinoshita (1446007)   +3 more
core   +1 more source

Rhodium-Catalyzed Asymmetric Conjugate Pyridylation with Pyridylboronic Acids

, 2022
Although the asymmetric arylation reaction has been extensively studied for chiral Csp2–Csp3 bond formation, the asymmetric pyridylation reaction remains a great challenge.
Weijun Yao (1689823), Huilong Zhu (9503861), Lili Jin, Weijun Yao, Xiaowei Dou, Changhui Wu (5179805), Huilong Zhu, Changhui Wu, Bihai Ye (8451735), Xiaowei Dou (1689820), Bihai Ye, Lili Jin (2869598), Jian Yao, Jian Yao (19678)   +13 more
core   +1 more source

Predictive and prognostic biomarkers of Bacillus Calmette‐Guérin therapy failure in bladder cancer patients: A systematic review

Molecular Oncology, EarlyView.
High‐risk bladder cancer is typically treated with Bacillus Calmette‐Guérin (BCG), but 30–40% of patients relapse. No FDA‐ or CE‐approved biomarkers currently predict or prognosticate BCG failure. We systematically reviewed the literature and identified 72 eligible studies, revealing several promising biomarkers associated with BCG treatment response ...
Rui Ribeiro‐Pereira, Ana Teixeira‐Marques, Rui Freitas, João A Carvalho, Sara Monteiro‐Reis, Giorgio I. Russo, Rui Henrique, Carmen Jerónimo   +7 more
wiley   +1 more source

The Highest Oxidation State of Rhodium: Rhodium(VII) in [RhO₃]⁺

Angewandte Chemie International Edition, 2022
AbstractAlthough the highest possible oxidation states of all transition elements are rare, they are not only of fundamental interest but also relevant as potentially strong oxidizing agents. In general, the highest oxidation states are found in the electron‐rich late transition elements of groups 7–9 of the periodic table. Rhodium is the first element
Mayara da Silva Santos, Tony Stüker, Max Flach, Olesya S. Ablyasova, Martin Timm, Bernd von Issendorff, Konstantin Hirsch, Vicente Zamudio‐Bayer, Sebastian Riedel, J. Tobias Lau   +9 more
openaire   +4 more sources