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Organometallic compound: Fe(II) sandwiched between two cyclopentadienyl rings
Ferrocene is an organometallic compound with the formula Fe(C5H5)2. The molecule is a cyclopentadienyl complex consisting of two cyclopentadienyl rings
Ferrocene
Chemical compound
ferrocene, commonly abbreviated dppf, is an organophosphorus compound commonly used as a ligand in homogeneous catalysis. It contains a ferrocene moiety
1,1'-Bis(diphenylphosphino)ferrocene
1,1'-Bis(diphenylphosphino)ferrocene
Agent used to increase a fuel's octane rating
additive) MTBE Ethanol Methylcyclopentadienyl manganese tricarbonyl (MMT) Ferrocene Iron pentacarbonyl Toluene Isooctane BTEX - a hydrocarbon mixture of benzene
Antiknock_agent
Chemical compound
1'‑Bis(diphenylphosphino)ferrocene]palladium(II) dichloride is a palladium complex containing the bidentate ligand 1,1'-bis(diphenylphosphino)ferrocene (dppf), abbreviated
(1,1'-Bis(diphenylphosphino)ferrocene)palladium(II) dichloride
(1,1'-Bis(diphenylphosphino)ferrocene)palladium(II)_dichloride
Chemical compound
slightly above room temperature. Cobaltocene was discovered shortly after ferrocene, the first metallocene. Due to the ease with which it reacts with oxygen
Cobaltocene
Chemical compound
a reduction potential of 0.67 V versus ferrocene/ferrocenium (acetonitrile solution) or 0.70 V versus ferrocene/ferrocenium (dichloromethane solution)
Tris(4-bromophenyl)ammoniumyl hexachloroantimonate
Tris(4-bromophenyl)ammoniumyl_hexachloroantimonate
Ferrocenophanes, also called ansa ferrocenes (from ansa: handle in greek), are organometallic compounds which are derived from ferrocene. They are a subset of ansa-metallocenes
Ferrocenophanes
Pharmaceutical compound
200 μg per tab and micropills containing 300 μg per pill. 1Fe-LSD contains ferrocene, an iron compound, which is an orange organometallic compound and is assumed
1Fe-LSD
Ferrocene-containing dendrimers are dendrimers that contain ferrocene substituents. Some ferrocene-containing dendrimers feature ferrocene cores and others
Ferrocene-containing dendrimers
Ferrocene-containing_dendrimers
do this, a compound called ferrocene was used, which dyed the oil red. The fuel oil coloured by the addition of ferrocene became unsuitable for use as
Oil_bleaching
Chemical compound
anions (Cp*−, (CH3)5C−5). It can also be viewed as a derivative of ferrocene, with a methyl group replacing each hydrogen atom of its cyclopentadienyl
Decamethylferrocene
Chemical element with atomic number 26 (Fe)
+7. Iron also forms many coordination complexes; some of them, such as ferrocene, ferrioxalate, and Prussian blue have substantial industrial, medical
Iron
Chemical compound
agents, and the reduced product, ferrocene, is inert and often readily separated from ionic products. The ferrocene–ferrocenium couple is used as a reference
Ferrocenium_tetrafluoroborate
Iron in its +2 oxidation state
bound the metal centre; or, in organometallic compounds, such as the ferrocene [Fe(C5H5)2], where two cyclopentadienyl anions are bound to the FeII centre
Ferrous
Coordination of a ligand to a central atom
Dunitz, Orgel, and Rich described the structure of the "sandwich complex" ferrocene by X-ray crystallography where an iron atom is "sandwiched" between two
Hapticity
Ability of a liquid to maintain contact with a solid surface
edges of the drop become hydrophilic. As a result, the drop spreads. Ferrocene is a redox-active organometallic compound which can be incorporated into
Wetting
Electrode with a stable and accurate electrode potential
above. A QRE with ferrocene or another internal standard, such as cobaltocene or decamethylferrocene, referenced back to ferrocene is ideal for nonaqueous
Reference_electrode
Type of compound having a metal center
a staggered conformation. The first metallocene to be classified was ferrocene, and was discovered simultaneously in 1951 by Kealy and Pauson, and Miller
Metallocene
Chemical compound made of two ring ligands bound to a metal
D. Dunitz, L. E. Orgel and R. A. Rich, who confirmed the structure of ferrocene by X-ray crystallography. The correct structure, in which the molecule
Sandwich_compound
Chemical compound
compound with the formula (C5H5)Fe(C5HCHO). The molecule consists of ferrocene substituted by an formyl group on one of the cyclopentadienyl rings. It
Ferrocenecarboxaldehyde
Organometallic chemical compound
the discovery of ferrocene, the iron analogue of rhodocene and the first of the class of compounds now known as metallocenes. Ferrocene was found to be
Rhodocene
Process that results in the interconversion of chemical species
Ferrocene – an iron atom sandwiched between two C5H5 ligands
Chemical_reaction
Class of metallocene cations
sandwich complex. They possess a similar electronic structure and bonding to ferrocene and other metallocene compounds. The structure and reactivity of these
Group 8 metallocenylmethylium cation
Group_8_metallocenylmethylium_cation
Chemical compound
N-Dimethylaminomethylferrocene is the dimethylaminomethyl derivative of ferrocene, (C5H5)Fe(C5H4CH2N(CH3)2. It is an air-stable, dark-orange syrup that
N,N-Dimethylaminomethylferrocene
N,N-Dimethylaminomethylferrocene
Chemical element with atomic number 25 (Mn)
metal, iron, forms an air-stable, low-spin derivative in the form of ferrocene (Fe(C5H5)2). When conducted under an atmosphere of carbon monoxide, reduction
Manganese
Study of organic compounds containing metal(s)
Compounds Ferrocene is an archetypal organoiron complex. It is an air-stable, sublimable compound. Cobaltocene is a structural analogue of ferrocene, but is
Organometallic_chemistry
Transition from solid to gas without melting
Crystals of ferrocene after purification by vacuum sublimation
Sublimation (phase transition)
Sublimation_(phase_transition)
Chemical compound
is the simplest carboxylic acid derivative of ferrocene. It can be prepared in two steps from ferrocene by acylation with a 2-chlorobenzoyl chloride followed
Ferrocenecarboxylic_acid
Family of chiral diphosphine ligands used for asymmetric catalysis
that are used for asymmetric catalysis. They feature a 1,2-disubstituted ferrocene backbone. Modern enantioselective synthesis typically applies a well-chosen
Josiphos_ligands
Organic compound with formula (CH3CO)2O
reaction. Illustrative are the conversions of benzene to acetophenone and ferrocene to acetylferrocene: (C5H5)2Fe + (CH3CO)2O → (C5H5)Fe(C5H4COCH3) + CH3CO2H
Acetic_anhydride
Inorganic compound of Iron
bromide undergoes a complex reaction with iron(III) chloride, resulting in ferrocene: 3 C5H5MgBr + FeCl3 → Fe(C5H5)2 + 1/n (C5H5)n + 3 MgBrCl This conversion
Iron(III)_chloride
charges provide 1+1⁄2 pairs. According to the m + n + o + p − q rule, ferrocene requires 2 + 11 + 1 + 2 − 0 = 16 SEPs. 10 CH units provide 15 pairs while
Jemmis_mno_rules
Chemistry of iron compounds containing a carbon-to-iron chemical bond
to the discovery of ferrocene, a very stable compound which foreshadowed the synthesis of many related sandwich compounds. Ferrocene is formed by reaction
Organoiron_chemistry
Chemical compound
for the preparation of metallocenes. For example, the preparation of ferrocene and zirconocene dichloride: 2 NaC5H5 + FeCl2 → Fe(C5H5)2 + 2 NaCl ZrCl4(thf)2
Sodium_cyclopentadienide
Chemical compound
against chloroquine-resistant strains. It contains an organometallic ferrocene ring which is unusual in pharmaceuticals, and while it was first reported
Ferroquine
harmless, especially in the restricted concentrations found in exhaust. Ferrocene, an iron compound Metal-free: Dimethyl methylphosphonate Toluene Isooctane
List_of_gasoline_additives
Soviet chemist and academician
isomerized into η 5 -complexes. In 1954, research into the chemistry of ferrocene began at the Department of Organic Chemistry at Moscow State University
Alexander_Nesmeyanov
Chemical compound
“planar chirality” for use in substituted ferrocene terminology, which is necessary for ferrocenes in which ferrocene's innate plane of symmetry is broken by
Ugi's_amine
Type of solid-state electric battery
coated onto copper foil. The redox active component is either sulfur, ferrocene, or manganese dioxide. The electrolyte is a highly conductive glass formed
Glass_battery
Chemical compound
organoiron compound with the formula (C5H5)Fe(C5H4COCH3). It consists of ferrocene substituted by an acetyl group on one of the cyclopentadienyl rings. It
Acetylferrocene
Scientific theory about scent perception
in contrast to ferrocene, nickelocene rapidly decomposes in air and the cycloalkene odor observed for nickelocene, but not for ferrocene, could simply
Docking_theory_of_olfaction
Chemical compound
chlorobenzene: 2 FeCl3 + C6H5Cl → 2 FeCl2 + C6H4Cl2 + HCl For the preparation of ferrocene ferrous chloride is generated in situ by comproportionation of FeCl3 with
Iron(II)_chloride
Chemical element with atomic number 6 (C)
dimer); metallocenes containing cyclopentadienyl ligands (for example, ferrocene); and transition metal carbene complexes. Many metal carbonyls and metal
Carbon
American chemist (1917–1979)
Geoffrey Wilkinson, then at Harvard, postulated a novel structure for ferrocene, a compound consisting of a combination of an organic molecule with iron
Robert_Burns_Woodward
Chemical compound
agents, and the reduced product, ferrocene, is relatively inert and readily separated from ionic products. The ferrocene–ferrocenium couple is often used
Ferrocenium hexafluorophosphate
Ferrocenium_hexafluorophosphate
Electroanalytic technique
inhibited. Hence mediator ferrocene is introduced. Now, current is directly proportional to the concentration of ferrocene which in turn is directly proportional
Amperometry
Equation used in cyclic voltammetry
reversible, and the products and reactants are both soluble, such as the ferrocene/ferrocenium couple, ip depends not only on the concentration and diffusional
Randles–Sevcik_equation
Organic pigment
of Highly Efficient, Long-Lived Charge Separated States in Star-Shaped Ferrocene-Diketopyrrolopyrrole-Triphenylamine Donor–Acceptor–Donor Conjugates".
Diketopyrrolopyrrole_dye
Polyferrocenes are polymers containing ferrocene units. Ferrocene-derived polymers have been studied for their optical and electrical properties. Despite
Polyferrocenes
Chemical compounds with at least one palladium atom
catalysts, such as 1,1'-bis(diphenylphosphino)ferrocene (dppf) to form [1,1'-bis(diphenylphosphino)ferrocene]palladium(II) dichloride (PdCl2(dppf)). Another
Palladium_compounds
German–Jewish chemist who settled in Britain (1925–2013)
chemistry, most notably the Pauson–Khand reaction and as joint discoverer of ferrocene. He was born in Bamberg, Germany on 30 July 1925, the son of Stefan Pauson
Peter_Pauson
Chemical compound
benzene ligands, which would have a sandwich structure similar to that of ferrocene. In 1954, Walter Hafner, one of Fischer's PhD student put the idea into
Bis(benzene)chromium
Chemical element with atomic number 27 (Co)
a structural analog to ferrocene, with cobalt in place of iron. Cobaltocene is much more sensitive to oxidation than ferrocene. Cobalt carbonyl (Co2(CO)8)
Cobalt
Solid-rocket propellant
as thermite oxidizers Catalysts Carborane Copper chromite Iron oxides Ferrocene and derivatives (catocene, butacene, etc) High energy fuels Aluminium
Ammonium perchlorate composite propellant
Ammonium_perchlorate_composite_propellant
pentaarsaferrocene ([CpRFe(μ5-As5)]). This intermediate, isolobal to ferrocene, replaces one of the cyclopentadienyl ligands with a cyclic As5 ligand
Allotropes_of_arsenic
Dyes added to identify fuels
Heating oil any red dye Marine diesel any black dye Hungary Heating oil Ferrocene India Subsidised Kerosene Blue dye Indonesia Pertalite (RON 90) Green
Fuel_dye
Supramolecular structures held together other than by covalent bonds
for the formation of inclusion compounds.[1][2][3] An example is when ferrocene is inserted into the cyclodextrin at 100°C under hydrothermal conditions
Host–guest_chemistry
English chemist and Nobel prize winner (1921–1996)
in catalytic hydrogenation, and for the discovery of the structure of ferrocene. Wilkinson's catalyst is used industrially in the hydrogenation of alkenes
Geoffrey_Wilkinson
Chemical compound
dilithioferrocene is used commonly to prepare derivatives of ferrocene. Treatment of ferrocene with butyl lithium gives 1,1'-dilithioferrocene, regardless
1,1'-Dilithioferrocene
Chemical element with atomic number 108 (Hs)
reaction 226Ra(48Ca,xn). This compound is analogous to the lighter compounds ferrocene, ruthenocene, and osmocene, and is expected to have the two cyclopentadienyl
Hassium
American chemist
American Chemical Society in 2004. Professor Fu is also the inventor of the ferrocene analogous planar DMAP catalyst. Gregory Fu received his B.S. from the
Gregory_C._Fu
Chemical compound
nitric oxide gas: M + 2 NOBF4 + xCH3CN → [M(CH3CN)x](BF4)2 + 2 NO With ferrocene the ferrocenium tetrafluoroborate is formed. In its infrared spectrum
Nitrosonium_tetrafluoroborate
Chemical compounds containing iron
organometallic chemistry: indeed, it was the discovery of an iron compound, ferrocene, that revolutionalized the latter field in the 1950s. Iron is sometimes
Iron_compounds
German chemist (1918-2007)
the structure for ferrocene as postulated by Pauson and Keally. Shortly thereafter, he published the structural data of ferrocene and the new complexes
Ernst_Otto_Fischer
Non-explosives producing heat, light and sound
copper salicylate, copper stearate, lithium fluoride, n-butyl ferrocene, di-n-butyl ferrocene. Stabilizers. Some mixtures, e.g. containing chlorates, tend
Pyrotechnic_composition
Geometric property of some molecules and ions
stereogenic axes and exhibit axial chirality, while (E)-cyclooctene and many ferrocene derivatives bearing two or more substituents have stereogenic planes and
Chirality_(chemistry)
Chemical element with atomic number 44 (Ru)
Grubbs' catalyst is used for alkene metathesis. Ruthenocene is analogous to ferrocene structurally, but exhibits distinctive redox properties. The colorless
Ruthenium
Chemical compound
cyclopentadiene and yttrium(III) hydroxide. Its thermal stability is between ferrocene and other 3D transition metal tricene complexes. G. Wilkinson, J. M. Birmingham
Yttrocene
Ligand with unclear oxidation state
innocent ligand in this case. ligands containing ferrocene can have oxidation events centered on the ferrocene iron center rather than the catalytically active
Non-innocent_ligand
Coordination complex of a metal and cyclopentadienyl groups
are called metallocenes. A famous example of this type of complex is ferrocene (FeCp2), which has many analogues for other metals, such as chromocene
Cyclopentadienyl_complex
Chemical element with atomic number 45 (Rh)
Cyclopentadienyl complexes of rhodium have been investigated as analogues of ferrocene. The parent is rhodocene, which participates in an unusual monomer-dimer
Rhodium
Diatomic cation
oxidizing agent: vs. ferrocene/ferrocenium, [NO]+ in CH2Cl2 solution has a redox potential of 1.00 V (or 1.46–1.48 V vs SCE), vs. ferrocene/ferrocenium, [NO]+
Nitrosonium
Chemical compound
highly lipophilic. A variety of related complexes are known, including ferrocene, which has also been used as an additive to gasoline. Many derivatives
Methylcyclopentadienyl manganese tricarbonyl
Methylcyclopentadienyl_manganese_tricarbonyl
Chemical compound containing the element cobalt
a structural analog to ferrocene, with cobalt in place of iron. Cobaltocene is much more sensitive to oxidation than ferrocene. Chemistry portal Iron
Cobalt_compounds
Equation in electrochemistry
Frederick Gardner Cottrell in 1903. For a simple redox event, such as the ferrocene/ferrocenium couple, the current measured depends on the rate at which
Cottrell_equation
2-bis(diphenylphosphino)ethane (dppe) and 1,1'-Bis(diphenylphosphino)ferrocene, the trans spanning xantphos and spanphos. The complex dichloro(1
Metal-phosphine_complex
Chemical compound
efficiently from cyclopentadienyl sodium and tin(II) chloride. Unlike in ferrocene the two cyclopentadienyl rings are not parallel. Stannocene reacts with
Stannocene
Chemical compound
rings have been replaced by other aromatic units, such as those based on ferrocene or stabilized cyclobutadiene. Numerous derivatives are known with variations
Superphane
Chemical compound
formula Fe(C5H4CO2H)2. It is the simplest dicarboxylic acid derivative of ferrocene. It is a yellow solid that is soluble in aqueous base. The 1,1' part of
1,1'-Ferrocenedicarboxylic acid
1,1'-Ferrocenedicarboxylic_acid
A planar DMAP derivative of ferrocene, used for kinetic resolution of some racemic secondary alcohols
Planar_chirality
Chemical compound
substrates including benzene, furan, thiophene, N-alkylpyrroles, and ferrocene. Many anionic organometallic complexes have been isolated as their [Li(tmeda)2]+
Tetramethylethylenediamine
Inorganic chemist
ligand systems for small molecule activation. Her group has exploited ferrocene's electronic and redox properties to enable catalytic transformations with
Paula_Diaconescu
Type of synthetic microstructure
and consequently lower growth rates. Solid organometallocenes such as ferrocene, cobaltocene, nickelocene are also common catalysts. It is found that
Vertically aligned carbon nanotube arrays
Vertically_aligned_carbon_nanotube_arrays
Chemical compound
donor and molybdenum and iron compounds (such as pentacarbonyl iron or ferrocenes) as catalysts, up to 34 equivalents of N(Me3Si)3 could be obtained per
Tris(trimethylsilyl)amine
Group of highly reactive chemical elements
characterised. Cobaltocene, Co(C5H5)2, is a metallocene, the cobalt analogue of ferrocene. It is a dark purple solid. Cobaltocene has 19 valence electrons, one
Alkali_metal
Chemical compound
e.g. dithiane), methylphosphines (H−CH2PR2), furans, thiophenes and ferrocene (Fe(H−C5H4)(C5H5)). In addition to these, it will also deprotonate all
N-Butyllithium
Ph.D. Thesis, IMPA, Rio de Janeiro. Cass, A. E. G.; et al. (1985). "Ferrocene-mediated enzyme electrode for amperometric determination of glucose".
1982_in_science
behaviour of fractional derivatives calculated by different algorithms for ferrocene in acetonitrile at 100mV/s, the reference electrode is 0.1M Ag+/Ag in
Neopolarogram
Organic compound with formula C2(CN)4
gives rise to an electrophilic alkene. TCNE is reduced at −0.27 V vs ferrocene/ferrocenium: C2(CN)4 + e− → [C2(CN)4]− Because of its ability to accept
Tetracyanoethylene
Molecule with ability to reversibly switch states
designed using ferrocene. Because of the high electrostatic repulsion metal cation (taken up by the receptor), the oxidation of ferrocene (Fc to Fc+) becomes
Molecular_switch
Metal chemical compound with all ligands identical
pentacarbonyl Nickel carbonyl Tetrakis(triphenylphosphine)palladium(0) Ferrocene Uranium hexafluoride tetraethyl lead tetramethyl lead tetrabutyl tin trimethylaluminium
Homoleptic and heteroleptic compounds
Homoleptic_and_heteroleptic_compounds
Standardized naming conventions for polymers
nomenclature, e.g., the polymer shown can be named poly[(dimethylsilanediyl)ferrocene-1,1'-diyl]. When they fit into the general pattern of systematic nomenclature
IUPAC_polymer_nomenclature
Chemical compound
cyclopentadienyl rings. It is closely related to the isoelectronic ferrocene. In contrast to ferrocene, wherein the cyclopentadienyl rings are in a staggered conformation
Ruthenocene
German chemist (1865–1918)
but there was little interest in this topic before the discovery of ferrocene in 1951. According to one of his students Heinrich Otto Wieland, Thiele
Johannes_Thiele_(chemist)
Chemical compound
(C5H5)Fe(C5H4CH=CH2). It is a derivative of ferrocene, with a vinyl group attached to one cyclopentadienyl ligand. As the ferrocene analogue of styrene, it is the
Vinylferrocene
Chemical compound
conformation. This is in contrast to ferrocene, which crystallizes with its rings staggered. Compared to ferrocene and ruthenocene, osmocene is less reactive
Osmocene
Class of chemical substituents
the parent compound. Acetylferrocenium is 300 mV more oxidizing than ferrocene. Electron-withdrawing groups are the opposite effect of electron-donating
Electron-withdrawing_group
Chemical compound
the formula Fe(C5H4NCO)2. It is the simplest diisocyanate derivative of ferrocene. It can be synthesized by the Curtius rearrangement of the diacyl azide
1,1'-Ferrocenediisocyanate
It only takes 10 milligrams to become a fatal dose. 1952: Structure of ferrocene discovered by Geoffrey Wilkinson (1921–1996) and others. 1959: First practical
List of English inventions and discoveries
List_of_English_inventions_and_discoveries
Chemical compound
dimethylformamide, the compound oxidizes at 0.593 and reduces at -1.223 V vs the ferrocene/ferrocenium couple. Reduction of Ru(acac)3 in the presence of alkenes
Ruthenium(III) acetylacetonate
Ruthenium(III)_acetylacetonate
FERROCENE
FERROCENE
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FERROCENE
Boy/Male
Muslim
Plain
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Romanian
Romanian form of Latin Gregorius, GRIGORE means "watchful; vigilant."
Girl/Female
Muslim
Pleasant, Satisfied, Content
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Sindhi, Telugu
Moon; Lord Chandra (Moon)
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Tamil
Powerful and complete
Girl/Female
Latin
A nymph.
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Oriya, Sanskrit, Telugu
Emerald or Sapphire
FERROCENE
FERROCENE
FERROCENE
FERROCENE
FERROCENE