Results 21 to 30 of about 55,441 (308)

Rhodium-Catalyzed Regioselective Double Annulation of Enaminones with Propargyl Alcohols: Rapid Access to Arylnapthalene Lignan Derivatives

open access: yes, 2021
We present here a rhodium-catalyzed oxidative three-point double annulation of enaminones with propargylic alcohols via a C–H and a C–N bond activation to access arylnaphthalene-based lignan derivatives. The key step in the reaction is the regioselective
Maddi Sridhar Reddy   +9 more
core   +1 more source

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

open access: yesCatalysis 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   +4 more
doaj   +1 more source

The global rhodium market: current trends and prospects

open access: yesRUDN 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

Rhodium-Catalyzed Synthesis of Silicon-Bridged 1,2-Dialkenylbenzenes via 1,4-Rhodium Migration

open access: yes, 2019
An efficient synthesis of 1,3-dialkylidene-2,3-dihydro-1H-benzo­[c]­siloles, a new type of silicon-bridged π-conjugated compounds, was developed from a simple substrate combination of dialkynylsilanes and arylboronic acids under rhodium catalysis through
Ryo Shintani (1797427)   +1 more
core   +1 more source

Rhodium-Catalyzed Asymmetric Conjugate Pyridylation with Pyridylboronic Acids

open access: yes, 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)   +13 more
core   +1 more source

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

open access: yesStem 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   +5 more
doaj   +1 more source

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

open access: yesMATEC 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

Rhodium-Catalyzed Asymmetric [4 + 2] Cycloisomerization Reactions

open access: yes, 2016
Rhodium-Catalyzed Asymmetric [4 + 2] Cycloisomerization ...
Daniel G. Genov (3035739)   +2 more
core   +1 more source

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

open access: yesMolecular 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   +7 more
wiley   +1 more source

Rh(I) Complexes in Catalysis: A Five-Year Trend

open access: yesMolecules, 2021
Rhodium is one of the most used metals in catalysis both in laboratory reactions and industrial processes. Despite the extensive exploration on “classical” ligands carried out during the past decades in the field of rhodium-catalyzed reactions, such as ...
Serenella Medici   +3 more
doaj   +1 more source

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