Category: 14898-67-0

Product Details of 14898-67-0. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Ruthenium(III) chloride xhydrate, is researched, Molecular Cl3H2ORu, CAS is 14898-67-0, about Synthesis, structure and biological evaluation of ruthenium(III) complexes of triazolopyrimidines with anticancer properties. Author is Fandzloch, Marzena; Dobrzanska, Liliana; Jedrzejewski, Tomasz; Jezierska, Julia; Wisniewska, Joanna; Lakomska, Iwona.

Six novel ruthenium(III) complexes of general formula [RuCl3(L)3] (1,3,5) and [RuCl3(H2O)(L)2] (2,4,6), where L stands for three different triazolopyrimidine-derived ligands, are reported. The compounds have been structurally characterized (IR, EPR, SCXRD), and their magnetic moments have been determined The single-crystal X-ray diffraction study revealed a slightly distorted octahedral geometry of the Ru(III) complexes with mer configuration in 1 and 5, and fac configuration in 3. In 2 and 4, three chloride ions are in mer configuration and the two triazolopyrimidines are oriented trans mutually with the water mol. playing the role of the sixth ligand. All complexes have been thoroughly screened for their in vitro cytotoxicity against human breast cancer cell line MCF-7, human cervical cancer cell line HeLa, and L929 murine fibroblast cells, uncovering among others that the most lipophilic complexes 5 and 6, containing the bulky ligand dptp (5,7-diphenyl-1,2,4-triazolo[1,5-a]pyrimidine), display high cytotoxic activity against MCF-7, and HeLa cells. Moreover, it was also revealed that during the interaction of the complexes 1-6 with the cancer MCF-7 cell line, reactive oxygen species are released intracellularly, which could indicate that they are involved in cell apoptosis. Furthermore, extensive studies have been carried out to reveal the mechanism by which complexes 1-6 interact with DNA, albumin, and apotransferrin. The biol. studies were complemented by detailed kinetic studies of the hydrolysis of the complexes in the pH range 5-8, to determine the stability of the complexes in solution Graphic abstract: Six novel ruthenium(III) complexes with triazolopyrimidine derivatives demonstrated the potential for use as anticancer agents by maintaining the toxic effect on MCF-7 and HeLa cells.[Figure not available: see fulltext.].

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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Industrial & Engineering Chemistry Research called Efficient and Sustainable Hydrogenation of Levulinic Acid to γ-Valerolactone in Aqueous Phase over Ru/MCM-49 Catalysts, Author is Li, Wenlin; Li, Feng; Chen, Junwen; Betancourt, Luis E.; Tu, Chunyan; Liao, Mingjie; Ning, Xing; Zheng, Jiajun; Li, Ruifeng, which mentions a compound: 14898-67-0, SMILESS is Cl[Ru](Cl)Cl.[H]O[H], Molecular Cl3H2ORu, Synthetic Route of Cl3H2ORu.

The hydrogenation of levulinic acid (LA) to γ-valerolactone (GVL) is an essential reaction step to produce value-added renewable chems. and fuels. In this study, it is demonstrated that the dispersed state of metal and the acid properties of the support can be tuned directly in the synthesized stage for the Ru/MCM-49 catalysts. The average metal particle size of Ru was found at about 2.0 nm, and strong metal-support interaction was observed for the Ru/MCM-49(DP) catalyst. Mesopores presented can enhance the conversion rate for LA to GVL. The presence of a higher amount of Lewis acid sites can promote the ring closure esterification of the intermediate 4-HPA. High catalytic activity with a TOF value 3000 h-1, as well as excellent reusability, were achieved by Ru/MCM-49 (DP). The agglomeration of Ru particles and the coke formation was thought to be responsible for the deactivation of the catalyst.

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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Zhao, Wei; Wang, Ruyue; Wang, Yong; Feng, Junwei; Li, Cuncheng; Chen, Guozhu researched the compound: Ruthenium(III) chloride xhydrate( cas:14898-67-0 ).COA of Formula: Cl3H2ORu.They published the article 《Effect of LDH composition on the catalytic activity of Ru/LDH for the hydrolytic dehydrogenation of ammonia borane》 about this compound( cas:14898-67-0 ) in International Journal of Hydrogen Energy. Keywords: ruthenium LDH catalytic activity ammonia borane hydrolytic dehydrogenation. We’ll tell you more about this compound (cas:14898-67-0).

The hydrolytic dehydrogenation of ammonia borane (NH3-BH3, AB for short) in the presence of catalysts has been identified to be a safe and efficient way for hydrogen release. Understanding the dehydrogenation mechanism of AB is helpful and important to design efficient catalysts. So far, although the effects of various factors on dehydrogenation of AB have been studied, such as the noble metal particle size effect, crystal-phase effect and the support crystal plane effect, the effect of support composition on dehydrogenation of AB has rarely been reported yet. In this study, we choose composition-adjustable layered double hydroxide (MgAl-LDHs) as support for Ru nanoparticles, and use the as-prepared catalysts for comparing their catalytic activity towards the dehydrogenation of AB. The catalytic results demonstrate the catalytic activity of Ru/MgAl-LDHs is related to MgAl-LDHs composition, exhibiting a support-composition effect in the hydrolytic dehydrogenation of AB. Combining various characterizations, the different composition of MgAl-LDHs has an effect on the interaction between Ru nanoparticles and MgAl-LDHs, which directly affects the catalytic activity for the hydrolysis of AB. This study provides new important fundamental knowledge on the mechanism of AB hydrolysis over practical supported metal catalysts which can be used for a better catalyst design.

Although many compounds look similar to this compound(14898-67-0)COA of Formula: Cl3H2ORu, numerous studies have shown that this compound(SMILES:Cl[Ru](Cl)Cl.[H]O[H]), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Optimizing RuOx/TiO2 composite anodes for enhanced durability in electrochemical water treatments, published in 2021-02-28, which mentions a compound: 14898-67-0, Name is Ruthenium(III) chloride xhydrate, Molecular Cl3H2ORu, Application of 14898-67-0.

Metal oxide anode electrocatalysts are important for an effective removal of contaminants and the enhancement of electrode durability in the electrochem. oxidation process. Herein, we report the enhanced lifetime of RuOx-TiO2composite anodes that was achieved by optimizing the fabrication conditions (e.g., the Ru mole fraction, total metal content, and calcination time). The electrode durability was assessed through accelerated service lifetime tests conducted under harsh environmental conditions, by using 3.4% NaCl and 1.0 A/cm2. The electrochem. characteristics of the anodes prepared with metal oxides having different compositions were evaluated using cyclic voltammetry, electrocompositions impedance spectroscopy, and X-ray analyses. We noticed that, the larger the Ru mole fraction, the more durable were the electrodes. The RuOx-TiO2 electrodes were found to be highly stable when the Ru mole fraction was >0.7. The 0.8RuOx-0.2TiO2 electrode was selected as the one with the most appropriate compositions, considering both its stability and contaminant treatability. The electrodes that underwent a 7-h calcination (between 1 and 10 h) showed the longest lifetime under the tested conditions, because of the formation of a stable Ru oxide structure (i.e., RuO3) and a lower resistance to charge transfer. The electrode deactivation mechanism that occurred due to the dissolution of active catalysts over time was evidenced by an impedance anal. of the electrode itself and surface elemental mapping.

After consulting a lot of data, we found that this compound(14898-67-0)Application of 14898-67-0 can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

Product Details of 14898-67-0. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: Ruthenium(III) chloride xhydrate, is researched, Molecular Cl3H2ORu, CAS is 14898-67-0, about Scalable synthesis of high entropy alloy nanoparticles by microwave heating. Author is Qiao, Haiyu; Saray, Mahmoud Tamadoni; Wang, Xizheng; Xu, Shaomao; Chen, Gang; Huang, Zhennan; Chen, Chaoji; Zhong, Geng; Dong, Qi; Hong, Min; Xie, Hua; Shahbazian-Yassar, Reza; Hu, Liangbing.

High entropy alloy nanoparticles (HEA-NPs) are reported to have superior performance in catalysis, energy storage, and conversion due to the broad range of elements that can be incorporated in these materials, enabling tunable activity, excellent thermal and chem. stability, and a synergistic catalytic effect. However, scaling the manufacturing of HEA-NPs with uniform particle size and homogeneous elemental distribution efficiently is still a challenge due to the required critical synthetic conditions where high temperature is typically involved. In this work, we demonstrate an efficient and scalable microwave heating method using carbon-based materials as substrates to fabricate HEA-NPs with uniform particle size. Due to the abundant functional group defects that can absorb microwave efficiently, reduced graphene oxide is employed as a model substrate to produce an average temperature reaching as high as ~1850 K within seconds. As a proof-of-concept, we utilize this rapid, high-temperature heating process to synthesize PtPdFeCoNi HEA-NPs, which exhibit an average particle size of ~12 nm and uniform elemental mixing resulting from decomposition nearly at the same time and liquid metal solidification without diffusion. Various carbon-based materials can also be employed as substrates, including one-dimensional carbon nanofibers and three-dimensional carbonized wood, which can achieve temperatures of >1400 K. This facile and efficient microwave heating method is also compatible with the roll-to-roll process, providing a feasible route for scalable HEA-NPs manufacturing

After consulting a lot of data, we found that this compound(14898-67-0)Product Details of 14898-67-0 can be used in many types of reactions. And in most cases, this compound has more advantages.

Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

COA of Formula: Cl3H2ORu. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Ruthenium(III) chloride xhydrate, is researched, Molecular Cl3H2ORu, CAS is 14898-67-0, about Downshifted d-Band Center of Ru/MWCNTs by Turbostratic Carbon Nitride for Efficient and Robust Hydrogen Evolution in Alkali.

Ru, unlike Pt, is seldom considered as the effective electrocatalyst for hydrogen evolution reaction (HER) due to the strong binding of hydrogen species on metal surface as well as the serious metal bleaching. Herein, the amorphous turbostratic-phased carbon nitride (t-CNx) layer was utilized to downshift the d-band center of the Ru/multi-walled carbon nanotubes (Ru/MWCNTs) hybrids to achieve the optimized hydrogen species adsorption for subsequent efficient and stabilized hydrogen evolution in alkali. The catalysts with a low Ru loading of 8 wt % presented the high HER activity with a low overpotential of 39 mV for a catalytic c.d. of 10 mA cm-2, a small Tafel slope of 28 mV dec-1 and a stabilized catalytic performance over a period of 14 h in 1.0 M KOH, outperforming the 20 wt % Pt/C benchmarks. The thin t-CNx layer play dual roles: (1) as the modulator of electronic structures for Ru with lower d-band position for the enhanced activity and (2) as the protective layer to avoid the metal aggregation/bleaching and improve the catalytic stability of the hybrid catalysts subsequently.

Although many compounds look similar to this compound(14898-67-0)COA of Formula: Cl3H2ORu, numerous studies have shown that this compound(SMILES:Cl[Ru](Cl)Cl.[H]O[H]), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

Quality Control of Ruthenium(III) chloride xhydrate. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Ruthenium(III) chloride xhydrate, is researched, Molecular Cl3H2ORu, CAS is 14898-67-0, about Ru nanoassembly catalysts for hydrogen evolution and oxidation reactions in electrolytes at various pH values.

Here, in an effort to prepare Ru-based metal organic frameworks, the authors developed a one-step solvothermal synthesis for Ru nanoassembly catalysts, which consist of ∼4 nm Ru nanoparticles well dispersed on amorphous carbon (Ru/C). The Ru/C catalyst obtained from a mixed solvent of H2O and CH3CH2OH (Ru/C-H2O/CH3CH2OH), featured a chain-like porous structure, provides Pt-like catalytic properties with low overpotentials at -10 mA cm-2 for the hydrogen evolution reaction (HER) within a wide range of pH values, i.e., 35 mV in 0.5 M H2SO4, 53 mV in 1.0 M KOH, and 93 mV in 3.5 wt% NaCl. Ru/C is also an efficient hydrogen oxidation reaction (HOR) catalyst at all pH values. In the alk. media, Ru/C-H2O/CH3CH2OH achieves a mass activity of 41.1 mA mg-1 at an overpotential of 50 mV and a high exchange c.d. (0.65 mA cm-2). The work provides a facile strategy to synthesize highly active Ru/C catalysts for bifunctional HER and HOR electrocatalysis.

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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

Electric Literature of Cl3H2ORu. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Ruthenium(III) chloride xhydrate, is researched, Molecular Cl3H2ORu, CAS is 14898-67-0, about Light-driven synthesis of sub-nanometric metallic Ru catalysts on TiO2. Author is Wojciechowska, Joanna; Gitzhofer, Elisa; Grams, Jacek; Ruppert, Agnieszka M.; Keller, Nicolas.

A one-step room temperature photo-assisted synthesis has been implemented in liquid phase and under solar light for preparing highly dispersed TiO2 supported metallic Ru catalysts, with no need of final thermal treatment, external hydrogen, or chem. reductant. Whether RuCl3 chloride or Ru(acac)3 acetylacetonate precursor salt was used, sub-nanometric metallic Ru nanoparticles were synthesized on TiO2 with a sharp size distribution, the high dispersion and the metallic nature of the nanoparticles being evidenced by transmission electron microscopy and XPS. However, the use of the chloride salt was proposed to be more suitable for preparing Ru/TiO2 catalysts, due to the lower photodeposition efficiency observed with acetylacetonate, that did not allow to synthesize Ru nanoparticles with a loading higher than 1 weight%. Different reaction mechanisms have been proposed for explaining the behavior of both TiO2-salt systems during the Ru nanoparticle synthesis, involving resp., both holes and electrons charge carriers in oxidation and reduction steps with acetylacetonate, and the sole photogenerated electrons with chloride.

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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

COA of Formula: Cl3H2ORu. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Ruthenium(III) chloride xhydrate, is researched, Molecular Cl3H2ORu, CAS is 14898-67-0, about Mitochondria targeted and NADH triggered photodynamic activity of chloromethyl modified Ru(II) complexes under hypoxic conditions. Author is Tian, Na; Sun, Weize; Guo, Xusheng; Lu, Jian; Li, Chao; Hou, Yuanjun; Wang, Xuesong; Zhou, Qianxiong.

Three chloromethyl-modified Ru(II) complexes were designed and synthesized as mitochondria targeting photosensitizers, which can generate carbon radicals in the presence of NADH under visible light irradiation, cause DNA cleavage and covalent binding in Ar-saturated solutions, and lead to apoptosis of human ovarian carcinoma SKOV-3 cells under hypoxic conditions (3% O2), demonstrating a new mode of type I mechanism to overcome the limitation of hypoxia in photodynamic therapy (PDT).

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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

Lin, Feng; Ma, Yulong; Sun, Yonggang; Zhao, Kanghe; Gao, Tingting; Zhu, Yingbo published the article 《Heterogeneous Ni-Ru/H-ZSM-5 one-pot catalytic conversion of lignin into monophenols》. Keywords: HZSM zeolite lignin monophenol catalytic conversion.They researched the compound: Ruthenium(III) chloride xhydrate( cas:14898-67-0 ).Name: Ruthenium(III) chloride xhydrate. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:14898-67-0) here.

Due to the inertness and structural complexity of lignin, upgrading lignin to biofuels and fine chems. still faces great challenges. In this paper, a one-pot method was used to catalyze straw lignin with H-ZSM-5 supported by Ni and Ru bimetals, and the lignin conversion rate reached 88.1%. The yield of monophenol was 19.5%, of which the yield of 4-ethylphenol and 4-ethylguaiacol was 4.9% and 3.8%, resp. The 2D HSQC NMR anal. confirmed that the Ni-Ru/H-ZSM-5 catalyst had an obvious activity of breaking Cβ-O bonds before and after the reaction. The result showed that after loading metal Ni and Ru, the Lewis acid of the catalytic system was greatly increased, which caused electron transfer between Ni and Ru. 3Ni-1.5Ru/H-ZSM-5 had the strongest activity due to the largest synergy among Ni, Ru and H-ZSM-5. The synergy was the key factor leading to the cleavage of C-C and C-O bonds in straw lignin and the high-performance catalytic degradation of lignin. Besides, the effect of reaction solvent and hydrogen resource on upgrading lignin to fine chems. over 3Ni-1.5Ru/HZSM-5 catalyst was also intensively investigated. This research developed a method for the direct conversion of lignin into valuable monophenols.

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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”