Atoms ruthenium compounds. Medical search. Frequent questions

Typically, such reactions are conducted with zinc amalgam in moist tetrahydrofuran: 2 Ru(acac)3 + 4 alkene + Zn → 2 Ru(acac)2(alkene)2 + Zn(acac)2 The resulting compounds are rare examples of metal-alkene complexes that reversibly sustain oxidation: Ru(acac)2(alkene)2 ⇌ [Ru(acac)2(alkene)2]+ + e− The complex has been resolved into individual enantiomers by separation of its adduct with dibenzoyltartaric acid. (wikipedia.org)
The ruthenium complexes are much more stable when dissolved in water. (dotmed.com)
Cyclopentadienyl)ruthenium complexes of 3-methoxyestrone. (mcmaster.ca)
UNIVERSITY OF BELGRADE FACULTY OF CHEMISTRY Afya A. Baroud SYNTHESIS, CHARACTERIZATION AND CYTOTOXICITY OF BIS(BIPYRIDINE) RUTHENIUM(II) COMPLEXES WITH PICOLINIC ACID DERIVATIVES Doctoral dissertation Belgrade, 2017. (documents.pub)
0001] The present invention relates to a method for reducing organic molecules, especially by using Ruthenium-Triphosphine-complexes. (epo.org)
EP 2 653 457 and related applications, methods of reducing organic molecules by hydrogenation using Ruthenium-Phosphine complexes have been disclosed. (epo.org)
Palladium and ruthenium catalysts represent a major part of the lab's efforts, in order to invent new synthetic processes together with new opportunities for selectivity complementary to that obtained using other metal complexes. (stanford.edu)
This dissertation covers the preparation of coordinatively unsaturated ruthenium(II) selenolate complexes, their use as cooperative catalysts for the activation of hydrosilanes, and mechanistic studies on a rhodium-catalyzed asymmetric hydrosilylation of carbonyls with chiral diselenide ligands. (tu-berlin.de)
The reversibility of the monodentate binding could explain the low toxicity of the ruthenium(II) complexes. (nyu.edu)
The ruthenium complexes display reversible (12, 13, 15-17) or nonreversible (11, 14) processes attributable to Ru-centered oxidation, at potentials similar to those of previously-investigated monoruthenium alkynyl or vinylidene complexes. (nau.edu)
Quadratic nonlinearities at 1064 and 800 nm for the octopolar stilbenyl-ruthenium complexes 14, 15 are large for compounds without strongly accepting substituents. (nau.edu)
Cubic molecular hyperpolarizabilities at 800 nm for the organic compounds and gold complexes are low. (nau.edu)
These compounds are closely related to pure BiBr 3 or BiBr 3 -based solvent complexes. (chemistryviews.org)

The study revealed that a variety of compounds containing the two transition metals Ruthenium and Osmium may perhaps cause considerable cell death in ovarian and colon cancer cells. (healthjockey.com)
Metals such as Ruthenium and Osmium are known to be found in the same part of the periodic table as precious metals like platinum and gold. (healthjockey.com)
Dr Patrick McGowan, one of the lead authors of the study from the School of Chemistry at the University of Leeds elucidated that, "Ruthenium and Osmium compounds are showing very high levels of activity against ovarian cancer, which is a significant step forward in the field of medicinal chemistry. (healthjockey.com)
Osmium tetroxide is the chemical compound with the formula OsO 4 . (chemeurope.com)
The compound is noteworthy for its many uses, despite the rarity of osmium . (chemeurope.com)
The osmium atom has eight valence electrons. (chemeurope.com)
Iron, ruthenium and osmium are grayish metals. (ovh.net)
Ns 1 iron, ruthenium, osmium and hassium … Across a group - Across a group and along. (ovh.net)
Ruthenium, osmium and hassium can react by losing 3 electrons are lost, a shell! (ovh.net)
According to findings recently published in Nature Chemistry from a team at Switzerland's University of Basel, carefully substituting chromium into catalysts and luminescent materials also works nearly as well as their traditional noble metal components, osmium and ruthenium, but for a fraction of the cost. (popsci.com)

The reaction of 1 with Ph 3 SnH at 127 °C yielded the high nuclearity cluster compound Ru 5 (CO) 10 (SnPh 3 )(μ-SnPh 2 ) 4 (μ 5 -C)(μ-H), 4 , that contains five tin ligands. (figshare.com)
Tantalum atoms occupy the center of the octahedron and are connected by two chlorine Bridges ligands. (vicanchem.com)
Starting from a known [NiFe] inspired ruthenium(II) thiolate complex, selenolate analogues with different phosphine ligands were prepared by an adapted synthetic procedure. (tu-berlin.de)
By coming up with and introducing organic ligands-combinations of carbon, hydrogen, and oxygen atoms-to the metals, the scientists had been ready to substantially raise the materials' vapor pressures, generating them less complicated to evaporate at reduced temperatures. (kdbwebsolutions.com)
Neutral or negatively charged ligands bonded to metal cations or neutral atoms. (bvsalud.org)

Many transition metals are useful as catalysts in industrial and laboratory settings, and many of these elements form brightly colored compounds. (newworldencyclopedia.org)
However, the activity of a catalyst (typically supported palladium, platinum, ruthenium or rhodium catalysts) often decreases or ceases completely during the hydrogenation of such type compounds, i.e. the catalyst is poisoned. (bme.hu)
Efforts to develop 'chemists' enzymes' - non-peptidic transition metal based catalysts that can perform chemo-, regio-, diastereo-, and especially enantioselective reactions - focus close attention to the question of atom economy to minimize waste, energy, and consumption of raw materials. (stanford.edu)
Unsupported and supported nickel promoted ruthenium sulfide (Ni x Ru 1-x S 2 ) catalysts are being prepared with both flash pyrolysis and precipitation methods, and will be evaluated in a PEM fuel cell unit. (asu.edu)

acid - A compound that dissociates to produce hydrogen (H+) cations when dissolved in water. (silver-colloids.com)
OsO 4 catalyzes the cis-dihydroxylation of alkenes by hydrogen peroxide or related sources of oxygen atoms in the presence of water. (chemeurope.com)
By including mixtures of carbon, hydrogen, and oxygen atoms to stubborn, challenging-to-evaporate metals like tungsten and platinum, University of Minnesota Twin Towns researchers had been ready to rework the things into thin films in a more affordable and safer way. (kdbwebsolutions.com)
Ruthenium-Alloyed Iron Phosphide Single Crystal with Increased Fermi Level for Efficient Hydrogen Evolution. (mpg.de)
As The Independent explained on August 14, the team first inserted chromium atoms next to hydrogen, carbon, and nitrogen within a stiff molecular framework. (popsci.com)
These compounds possess hydrogen bonds, which restrain the nonradiative decay to produce strong emission. (nara-wu.ac.jp)
Monoprotonated pyridine rings are hydrogen bonded intramolecularly to the adjacent pyridine ring and intermolecularly to the adjacent PF6- in compounds. (nara-wu.ac.jp)
While the sulfur compounds in hydrogen strongly and irreversibly adsorb on active sites of platinum and permanently poison the electrocatalysts. (asu.edu)

When heated to 68 °C, compound 5 was converted to the new compound Ru 5 (CO) 11 (C 6 H 6 )(μ 4 -SnPh)(μ 3 -CPh), 9 , by loss of benzene and the shift of a phenyl group from the tin ligand to the carbido carbon atom to form a triply bridging benzylidyne ligand and a novel quadruply bridging stannylyne ligand. (figshare.com)
The number of ligand atoms to which the metal center is directly bonded is the metal cation's coordination number, and this number is always greater than the regular valence or oxidation number of the metal. (bvsalud.org)

The International Union of Pure and Applied Chemistry (IUPAC) defines a transition element as "an element whose atom has an incomplete d sub-shell, or which can give rise to cations with an incomplete d sub-shell. (newworldencyclopedia.org)

They had accidentally prepared the same compound by adding ferric chloride to cyclopentadienyl magnesium bromide, while seeking a route to the synthesis of di-hydrofulvalene (C 2 H 5 - C 2 H 5 ). (chemistryworld.com)

Six oxygen atoms surround the central ruthenium atom in an octahedral arrangement. (wikipedia.org)
R8 and R9 when present on nitrogen atom together may form a 5 or 6 membered cyclic structure containing carbon atoms and one or more heteroatoms selected from oxygen, sulfur or nitrogen. (allindianpatents.com)
These compounds are typically formed at high temperatures in the presence of excess oxygen. (wikimili.com)
In the chlor-alkali industry electrolytic copper foil, oxygen industry recycling electrolytic anode surface and waste water industry mixed with ruthenium compounds and platinum compounds to form oxide conductive film, improve film adhesion, extend the service life of electrode for more than 5 years. (vicanchem.com)

He did this by attaching dye molecules, called chromophores, to the ruthenium complex. (dotmed.com)
In chemisorption a single layer of molecules, atoms, or ions is attached to the adsorbent surface by chemical bonds. (silver-colloids.com)
In this type of anti cancer drug transition metal atoms may possibly bind to DNA molecules which trigger apoptosis inside the cancerous cells. (healthjockey.com)
When irradiated by a red lamp, the chromium compound also stored energy within its molecules for potential later use, much like a plant's photosynthesis. (popsci.com)
This means you can easily find out if a compounds solid-state structure has been determined and discover additional details like how the molecules pack together, what the melting point of the crystal is and how was it recrystallised. (cam.ac.uk)
Metal organic framework (MOF) is a novel crystalline nanoporous material that consists of metal atoms occupying the vertices of a lattice, with the lattice size, porosity, and chemical environment defined by the organic linker molecules that bind the metal atoms into a robust periodic structure. (asu.edu)

In 1914 tris(acetylacetonato)ruthenium (III) was first prepared by the reaction of ruthenium(III) chloride and acetylacetone in the presence of potassium bicarbonate. (wikipedia.org)
Known examples of triarylamine compounds as materials having hole-transporting properties for OLEDs include tris-p-biphenylamine, N,N′-di-1-naphthyl-N,N′-diphenyl-1,1′-biphenyl-4,4′-diamine (NPB) and 4,4′,4″-tris(3-methylphenylphenylamino)triphenylamine (MTDATA). (justia.com)

This compound exists as a dark violet solid that is soluble in most organic solvents. (wikipedia.org)
Ruthenium-catalysed olefin metathesis reactions have been playing an important role in various fields of organic synthesis in the past three decades. (beilstein-journals.org)
The compound is preferably used in an electronic device, more preferably in an organic electroluminescent device (OLED). (justia.com)
The structure of OLEDs in which organic compounds are used as functional materials is described, for example, in U.S. Pat. (justia.com)
In general, the term OLEDs is understood to mean electronic devices which have one or more layers comprising organic compounds and emit light on application of electrical voltage. (justia.com)
As a result, several chlorinated organic compounds are formed, including small amounts of CDDs (EPA 1990c). (cdc.gov)
This field covers chemical compounds that are not carbon-based, which are the subjects of organic chemistry. (wikimili.com)
0007] The term "phosphine" in the sense of the present invention especially means and/or includes trivalent phosphororganic compounds, especially compounds with the general formula PR 1 R 2 R 3 , R 1 to R 3 being independent from each other an organic residue such as e.g. a substituted or unsubstituted alkyl, aryl and/or heteroaryl. (epo.org)
Compounds between organic radicals and main group metals such as magnesium and zinc had long been known, and were routinely used in synthetic reactions. (chemistryworld.com)

These compounds demonstrate promising anticancer activity, particularly, complex 1, which bears a benzylpyridine organogold framework, and supported by the bicyclic conformationally restricted diaminonorbornane, shows good potency in A2780 cells. (bvsalud.org)

Inorganic chemistry deals with synthesis and behavior of inorganic and organometallic compounds. (wikimili.com)

It's a system where the electrons zooming through the material stop periodically to interact with electrons localized on the uranium atoms that make up the lattice, or framework of the crystal," Davis said. (rdworldonline.com)
Thorium, unlike uranium, is non-magnetic, so in theory, the electrons should be able to move freely around the thorium atoms, instead of stopping for the brief magnetic encounters they have at each uranium atom. (rdworldonline.com)
First we identified the sites of the thorium atoms in the lattice, then we looked at the quantum mechanical wave functions of the electrons surrounding those sites," Davis said. (rdworldonline.com)
This is because the atoms of these elements and their stable ions contain electrons that completely fill the d orbitals. (newworldencyclopedia.org)
It has long been known that the reason of this phenomenon is the formation of a dative bond between the unshared pair of electrons of nitrogen, phosphorous or sulphur atoms and the d-orbits of precious metals. (bme.hu)

Only two of the discoverers of the sandwich compounds that revolutionised organometallic chemistry received the Nobel prize, leaving one very big name feeling left out. (chemistryworld.com)

Although this definition is still widely used, the characteristic properties of transition metals arise because of the electron configuration of their atoms, which have partially filled " d orbitals. (newworldencyclopedia.org)
But before the 1950s, analogous compounds involving transition metals had proved very difficult to prepare, and were usually highly unstable. (chemistryworld.com)
However, such processes generally use photocatalysts based on rare transition metals such as ruthenium or iridium. (chemistryviews.org)
Several metals and their compounds must be designed into slender movies ahead of they can be employed in technological goods like electronics, shows, fuel cells, or catalytic applications. (kdbwebsolutions.com)
Stubborn" metals, however-which contain components like platinum, iridium, ruthenium, and tungsten, amongst others-are very tough to transform into slim films because they have to have very higher temperatures (commonly far more than 2,000 levels Celsius) to evaporate. (kdbwebsolutions.com)

No data for any oxides of ruthenium. (webelements.com)

Its oxidation on Ru-Pt catalyst system by ruthenium ad-atoms has been proposed. (sigmaaldrich.com)

1) silver salts (compounds) such as silver nitrate, 2) high concentrations of ionic silver, 3) protein based silver products aka "silver protein" or "mild silver protein" . (silver-colloids.com)
The present invention relates to novel alkoxy propionic acid and their pharmaceutical accetable salts having use as antidiabetic,hypolipidemic,antiobesity and hypocholesterolemic compounds. (allindianpatents.com)
The invention also relates to a process for the preparation of above said novel compounds and phamaceutically acceptable salts. (allindianpatents.com)
The present invention relates to novel antidiabetic, hypolipidemic, antiobesity and hypocholesterolemic compounds of formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. (allindianpatents.com)

The formation of a ruthenium hydride is observed, while the coordination at the selenium atom increases due to the formation of a Se-Si bond with the silicon electrophile. (tu-berlin.de)
Ni atom takes reactions for the H 2 O decomposition with the formation of [OH] − group whereas Cu atom takes reactions for the hydride transfer with the formation of metal-dihydride complex. (frontiersin.org)

Hidden Charge Order in an Iron Oxide Square-Lattice Compound. (mpg.de)

The boron group include: table 5.2 to predict the chemical properties and reactivity gaseous compounds. (ovh.net)

The first ruthenium nitrosyls he made released nitric oxide only under ultraviolet light, so Rose spent several years developing ways to sensitize them to specific wavelengths of visible light that could be used in photodynamic therapy. (dotmed.com)
Lead(II) oxide , also called lead monoxide , is the inorganic compound with the molecular formula PbO. (wikimili.com)
Vanadium(II) oxide is the inorganic compound with the idealized formula VO. (wikimili.com)

The invention relates to phenanthrene compounds comprising one or more arylamino groups. (justia.com)

Both compounds contain square pyramidal Ru 5 clusters with SnPh 2 groups bridging each edge of the square base. (figshare.com)

In this regard the behavior of individual atoms differs from ions. (silver-colloids.com)

T form many compounds creating more stable conditions as noble gases or inert gases ): Definition properties. (ovh.net)

Sabine H. van Rijt, lead author in the laboratory of Professor Peter Sadler in the Department of Chemistry at the University of Warwick stated that, "Most interestingly, cancerous cells that have shown resistance to the most successful transition metal drug, Cisplatin, show a high death rate with these new compounds. (healthjockey.com)
In chemistry, the oxidation state , or oxidation number , is the hypothetical charge of an atom if all of its bonds to different atoms were fully ionic. (wikimili.com)
The 1965 chemistry laureate Robert Woodward - who also played a part in identifying that compound - was not invited to share the award, and he complained to the Nobel committee that their decision was unfair. (chemistryworld.com)

In conclusion, the spectroscopic and structural data suggest a lower electrophilicity at the silicon atom than what is known from the thiolate variants. (tu-berlin.de)

To test the resulting compounds as potential drugs, the chemists teamed up with breast cancer researcher Lindsay Hinck, a professor of molecular, cell, and developmental biology at UCSC. (dotmed.com)

Compound 8 contains a SnPh 3 group analogous to that of compound 4 . (figshare.com)

In all compounds ppt ﬁrmly binds to ruthenium in a bidentate fashion through the pyridyl nitrogen atom and the triazole N2, thus forming a puckered six-membered ring. (units.it)

The Ni and Cu metal atoms play the distinctive roles in catalytic activity, i.e. (frontiersin.org)

Compounds 3-5 were tested also in vitro for cytotoxic activity against two human cancer cell lines, one sensitive and one resistant to cisplatin, in comparison with cisplatin. (units.it)
Compound 4, the one that aquates faster, was found to be more cytotoxic than cisplatin against human lung squamose carcinoma cell line (A-549). (units.it)
Furthermore, the compounds were noted to be effective against ovarian cancer cells which are resistant to the drug Cisplatin. (healthjockey.com)
Ever since the success of Cisplatin, chemists all across the globe appear to have been trying to discover whether other transition metal compounds could be used in order to treat cancer. (healthjockey.com)

It describes the degree of oxidation of an atom in a chemical compound. (wikimili.com)

He began by replacing the iron atom in a synthetic model of the enzyme with a different metal, ruthenium. (dotmed.com)
Cubic nonlinearities Im(χ (3) )/N for 13, 16, and 17 from the first application of electroabsorption (EA) spectroscopy to organometallics are also large, scaling with the number of metal atoms. (nau.edu)

Further speciation and mechanism of action studies demonstrate the stability of the compounds and alteration of mitochondria bioenergetics, respectively. (bvsalud.org)

Ruthenium(III) acetylacetonate is a coordination complex with the formula Ru(O2C5H7)3. (wikipedia.org)
All the product compounds are characterized by a guanine moiety coordination via the N7 atom. (nyu.edu)

The ruthenium-tin complex, [Ru₂(CO)₄(SnPh₃)₂(μ-pyS)₂] (1), the main product of the oxidative-addition of pySSnPh₃ to Ru₃(CO)₁₂ in refluxing benzene, is [Ru(CO)₂(pyS)(SnPh₃)] synthon. (waikato.ac.nz)

Atomic number - the number of protons in the nucleus of an atom. (cdc.gov)

Magnetic structure of the swedenborgite compound CaBaMn 2 Fe 2 O 7 derived by powder neutron diffraction and Mössbauer spectroscopy. (mpg.de)
Pressure-induced collapse of large-moment magnetic order and localized-to-itinerant electronic transition in the host-guest compound [Cs 6 CI][Fe 24 Se 26 ]. (mpg.de)

Individual atoms in close proximity to other like atoms will be pulled together by van der Waals' force and form particles. (silver-colloids.com)
Unreactive, which means they don ' t form many compounds change have! (ovh.net)

Paola Riente, Timothy Noël, Eindhoven University of Technology, The Netherlands, and colleagues have investigated the active photocatalytic species in a model atom transfer radical addition (ATRA) reaction using Bi 2 O 3 (pictured). (chemistryviews.org)
Hiroshi Takashima, Monoprotonated compounds [(L)HPF6] were prepared by the reaction of (L=bpy, phen, dpphen, bqn and ppy) with concentrated HCl in water. (nara-wu.ac.jp)

The findings, published in the Proceedings of the National Academy of Sciences the week of October 17, 2011, reveal how substituting just a few atoms can cause widespread disruption of the delicate interactions that give the material its unique properties, including superconductivity. (rdworldonline.com)
The compounds found have one or more properties selected from very good hole-conducting properties, very good electron-blocking properties, high glass transition temperature, high oxidation stability, good solubility, low crystallinity and high thermal stability. (justia.com)

Complexes13

Osmium10

Ligands5

Catalysts4

Hydrogen8

Ligand2

Cations1

Cyclopentadienyl1

Oxygen4

Molecules6

Tris2

Organic9

Anticancer activity1

Synthesis1

Electrons5

Organometallic1

Metals5

Oxides1

Catalyst1

Salts4

Hydride2

Lattice1

Gaseous1

Oxide3

Invention relates1

Clusters1

Behavior1

Stable1

Chemistry3

Silicon1

Molecular1

Analogous1

Nitrogen atom1

Catalytic1

Cisplatin4

Chemical compound1

Metal2

Mechanism1

Coordination2

Complex1

Nucleus1

Magnetic2

Form2

Reaction2

Properties2