Category: 1273-73-0

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.Labande, Agnes; Daran, Jean-Claude; Long, Nicholas J.; White, Andrew J. P.; Poli, Rinaldo researched the compound: Bromoferrocene( cas:1273-73-0 ).Category: thiazolidine.They published the article 《Rhodium(III) and ruthenium(II) complexes of redox-active, chelating N-heterocyclic carbene/thioether ligands》 about this compound( cas:1273-73-0 ) in New Journal of Chemistry. Keywords: crystal structure rhodium ruthenium ferrocenyl NHC thioether complex preparation; mol structure rhodium ruthenium ferrocenyl NHC thioether complex; rhodium ruthenium ferrocenyl NHC thioether complex preparation electrochem property. We’ll tell you more about this compound (cas:1273-73-0).

Half-sandwich rhodium(III) and ruthenium(II) complexes bearing a new redox-active ferrocenyl NHC-thioether ligand have been prepared The synthesis of ferrocenyl thioether-imidazolium salts was carried out via intermediate FcSCH2CH2Cl using an improved procedure. Rhodium(III) complex and ruthenium(II) complex were obtained in good yields and were fully characterised by NMR spectroscopy, x-ray diffraction anal. and electrochem. Rhodium(III) complex shows a complex ABCD system by 1H NMR, which denotes conformational rigidity due to the presence of several bulky groups. Electrochem. anal. by cyclic voltammetry reveals reversible redox behavior about the iron center in both complexes, and indicates electronic communication between iron and rhodium or ruthenium.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Bromoferrocene( cas:1273-73-0 ) is researched.Recommanded Product: Bromoferrocene.Carre, Francis; Guerin, Christian; Henner, Bernard J. L.; Uerpmann, Carsten published the article 《Synthesis, structure and reactivity study of 1,1′-bis(N-tert-butyl-N-hydroxyamino)ferrocene》 about this compound( cas:1273-73-0 ) in Journal of Organometallic Chemistry. Keywords: ferrocene hydroxyamino disubstituted preparation structure oxidation; crystal structure ferrocene hydroxyamino disubstituted; mol structure ferrocene hydroxyamino disubstituted; ESR oxidized disubstituted ferrocene hydroxyamino aminoxyferrocene radical. Let’s learn more about this compound (cas:1273-73-0).

The synthesis of 1,1′-bis(N-tert-butyl-N-hydroxyamino)ferrocene (1) is described, and the x-ray anal. showed eclipsed positions of the two tert-butylhydroxyamino groups. This structure can be explained by the interactions of the hydroxyl hydrogens with the N atoms of the other tert-butylhydroxyamino group. This interaction is maintained in solution and may explain that the oxidation of 1 using Ag2O gave a decomposition reaction instead of the expected 1,1′-bis(N-tert-butylaminoxy)ferrocene. The ESR spectrum of an oxidized solution of 1 showed a 1:1:1 triplet, but it corresponded only to traces of an N-O• radical. Cyclic voltammograms of 1 showed that it is more easily oxidized than ferrocene and less easily than 1,1′-diaminoferrocene, indicating that chem. oxidation of 1 occurs in the ferrocenyl part of the mol., followed by rapid decomposition

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Category: thiazolidine. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Synthesis and characterization of functionalized ferrocenylsilanes bearing a bulky substituent. Author is Sasamori, Takahiro; Kobayashi, Megumi; Nagahora, Noriyoshi; Sugiyama, Yusuke; Tokitoh, Norihiro.

Several types of overcrowded ferrocenylsilanes, Tbt(Fc)SiX2(Tbt = 2,4,6-tris[bis(trimethylsilyl)methyl]phenyl, Fc = ferrocenyl, X = H, OH, Br) were synthesized and characterized. In addition, DFT calculations for ferrocenylsilanediol systems indicated the existence of the intramol. hydrogen bonding between the Fe atom and H-O moiety in Tbt(Fc)Si(OH)2.

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Electric Literature of C10BrFe. 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: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Copper bis(2,2,6,6-tetramethyl-3,5-heptanedionate) catalyzed synthesis of N-substituted ferrocenes. Author is Purecha, Vishal H.; Nandurkar, Nitin S.; Bhanage, Bhalchandra M.; Nagarkar, Jayashree M..

An efficient catalytic protocol for the Ullmann-type coupling reaction of both bromo and iodoferrocene with heterocyclic amines using a stable and well defined copper bis(2,2,6,6-tetramethyl-3,5-heptanedionate) complex has been developed. The protocol was applicable for the synthesis of wide variety of N-substituted ferrocenes and the desired products were obtained in good to excellent yields.

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Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Moessbauer investigation of some derivatives of ferrocenes.Related Products of 1273-73-0.

The Moessbauer parameters of a series of ferrocene derivatives were determined The isomer shift values were independent from the nature of the substituent on the cyclopentadiene ring. The differences in the quadrupole splitting values gave information on the changes caused by the substituents in the electronic structure of the Fe central atom. The Moessbauer parameters were interpreted on the basis of MO-LCAO-SCF calculations of Shustorovich and Dyatkina. The results were in better accord with these than with the analogous calculations of Dahl and Ballhausen.

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COA of Formula: C10BrFe. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Ferrocenylamines. Author is Herberhold, Max; Ellinger, Max; Kremnitz, Walter.

A general method for the preparation of ferrocenylamines involves the reactions of ferrocenyl bromide, FcBr, with the Na salt of an amine or amide in the presence of copper(I) bromide/pyridine. The syntheses of diferrocenylphenylamine and triferrocenylamine, NFc2Ph and NFc3, resp., are reported, and the hydrolysis of N-ferrocenylacetamide to give ferrocenylamine, NH2Fc, is described. The system of the ferrocenyl- and/or phenyl-substituted derivatives of ammonia, NFcnX3-n (n = 0-3; X = H, Ph), is characterized on the basis of mass, UV, visible, and 1H and 13C NMR spectra.

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Structure of stable telluradiphosphirane bearing bulky ferrocenyl ligands, the main research direction is stable bulky ferrocenyl thiadiphosphirane telluradiphosphirane preparation crystal mol structure; bis ferrocenyl diphosphene chalcogenation.Computed Properties of C10BrFe.

Chalcogenation reactions of 1,2-bis(ferrocenyl)diphosphene, Fc*P:PFc* (Fc* = 2,5-bis(3,5-di-t-butylphenyl)ferrocenyl), with elemental sulfur (S8) and tellurium afforded the corresponding thia- and telluradiphosphirane derivatives as stable crystalline compounds, resp. The sterically demanding ferrocenyl group would afford sufficient crystallinity and stability to the heterocyclic compounds; the structures of these three-membered ring heterocycles were revealed by x-ray crystallog. anal.

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Mechanically-tunable quantum interference in ferrocene-based single-molecule junctions, published in 2020, which mentions a compound: 1273-73-0, mainly applied to mech tuning ferrocene DFT conductance, Recommanded Product: Bromoferrocene.

Ferrocenes are ubiquitous organometallic building blocks that comprise a Fe atom sandwiched between two cyclopentadienyl (Cp) rings that rotate freely at room temperature Of widespread interest in fundamental studies and real-world applications, they have also attracted some interest as functional elements of mol.-scale devices. Here, the impact of the configurational degrees of freedom of a ferrocene derivative on its single-mol. junction conductance is investigated. Measurements indicate that the conductance of the ferrocene derivative, which is suppressed by two orders of magnitude as compared to a fully conjugated analog, can be modulated by altering the junction configuration. Ab initio transport calculations show that the low conductance is a consequence of destructive quantum interference effects that arise from the hybridization of metal-based d-orbitals and the ligand-based π-system. By rotating the Cp rings, the hybridization, and thus the quantum interference, can be mech. controlled, resulting in a conductance modulation that is seen exptl.

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Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Electron- and Hydride-Transfer Reactivity of an Isolable Manganese(V)-Oxo Complex.Recommanded Product: Bromoferrocene.

The electron-transfer and hydride-transfer properties of an isolated manganese(V)-oxo complex, (TBP8Cz)MnV(O) (1) (TBP8Cz = octa-tert-corrolazinato) were determined by spectroscopic and kinetic methods. The manganese(V)-oxo complex 1 reacts rapidly with a series of ferrocene derivatives ([Fe(C5H4Me)2], [Fe(C5HMe4)2], and [Fe(C5Me5)2] = Fc*) to give the direct formation of [(TBP8Cz)MnIII(OH)]- ([2-OH]-), a two-electron-reduced product. The stoichiometry of these electron-transfer reactions was found to be (Fc derivative)/1 = 2:1 by spectral titration The rate constants of electron transfer from ferrocene derivatives to 1 at room temperature in benzonitrile were obtained, and the successful application of Marcus theory allowed for the determination of the reorganization energies (λ) of electron transfer. The λ values of electron transfer from the ferrocene derivatives to 1 are lower than those reported for a manganese(IV)-oxo porphyrin. The presumed one-electron-reduced intermediate, a MnIV complex, was not observed during the reduction of 1. However, a MnIV complex was successfully generated via one-electron oxidation of the MnIII precursor complex 2 to give [(TBP8Cz)MnIV]+ (3). Complex 3 exhibits a characteristic absorption band at λmax = 722 nm and an EPR spectrum at 15 K with g’max = 4.68, g’mid = 3.28, and g’min = 1.94, with well-resolved 55Mn hyperfine coupling, indicative of a d3 MnIVS = 3/2 ground state. Although electron transfer from [Fe(C5H4Me)2] to 1 is endergonic (uphill), two-electron reduction of 1 is made possible in the presence of proton donors (e.g., CH3CO2H, CF3CH2OH, and CH3OH). In the case of CH3CO2H, saturation behavior for the rate constants of electron transfer (ket) vs. acid concentration was observed, providing insight into the critical involvement of H+ in the mechanism of electron transfer. Complex 1 was also shown to be competent to oxidize a series of dihydronicotinamide adenine dinucleotide (NADH) analogs via formal hydride transfer to produce the corresponding NAD+ analogs and [2-OH]-. The logarithms of the observed second-order rate constants of hydride transfer (kH) from NADH analogs to 1 are linearly correlated with those of hydride transfer from the same series of NADH analogs to p-chloranil.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Ferrocene and related organometallic π-complexes. IV. Some Ullmann reactions of haloferrocenes》. Authors are Rausch, Marvin D..The article about the compound:Bromoferrocenecas:1273-73-0,SMILESS:Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25).Product Details of 1273-73-0. Through the article, more information about this compound (cas:1273-73-0) is conveyed.

cf. CA 54, 22540e. Haloferrocenes were found to undergo the Ullmann coupling reaction readily. Iodoferrocene (I) and Cu bronze form biferrocenyl (II) in quant. yield at 150°. Both I and 1-iodo-2-nitrobenzene (III) formed coupling products in 95-100% yield at temperatures as low as 60°. A series of ferrocenyl aryl ethers were prepared by the Ullmann condensation of I and K aryloxides. I was prepared in 60-70% yield by the reaction of chloromercuriferrocene and iodine in xylene at 75-80°, m. 49-9.5° (MeOH-H2O). Bromo- (IV) and chloroferrocene (V) were obtained by the reaction of ferrocenylboronic acid with CuBr and CuCl, resp. I (0.936 g.) and 1.9 g. Cu bronze heated 16 hrs. at 140-50°, the mixture extracted with hot C6H6, and the extract evaporated gave 0.510 g. II, m. 239-40° (decomposition). In experiments in which less pure I was used the yield of II was appreciably less than quant. Similar reactions in which I was replaced by IV and V gave yields of 97 and 65% II, resp. I (0.405 g.), 0.83 g. Cu bronze, and 4 g. biphenyl heated 16 hrs. at 130°, and then 3 hrs. at 158-60°, and the residues chromatographed gave a total of 76% II. Reactions in which HCONMe2 was used as solvent and diluent gave mostly ferrocene. When the reaction was carried out using Zn and heating 19 hrs. at 150° and the product chromatographed on Al2O3, 17% II was obtained. II was less soluble in common organic solvents than ferrocene. The infrared and ultraviolet spectra of II were discussed. III (4.98 g.) and 12.7 g. Cu bronze heated 60 hrs. at 60° gave 2.3 g. 2,2′-dinitrobiphenyl, m. 125°. Similarly, 4.98 g. 1,3-I(O2N)C6H4 and 12.7 g. Cu bronze afforded a crude product which when chromatographed on Al2O3 gave 1% 3,3′-dinitrobiphenyl, m. 197-8°, and 4.20 g. unchanged material. In a reaction similar to that described above 20.4 g. PhI and 1 g. Cu bronze gave 16 g. unchanged PhI and no trace of Ph2. I (0.624 g.) and 1.28 g. Cu bronze gave 97% II. I (0.405 g.), 0.324 g. III, and 1.65 g. Cu bronze gave a crude product which when chromatographed on Al2O3 gave 71% II, and 7.5% 2-nitrophenylferrocene, m. 116-17°. Ferrocenyl aryl ethers were prepared by the following typical procedure. 2-Naphthol (1.44 g.) and 0.28 g. KOH heated at 150° until all the KOH dissolved, 0.936 g. I and 0.02 g. Cu bronze added, the mixture heated 16 hrs. at 115°, cooled, the contents washed with 10% KOH, extracted with refluxing C6H6, and the product chromatographed on Al2O3 gave 0.11 g. ferrocene and 0.12 g. ferrocenyl 2-naphthyl ether, m. 143-3.5° (heptane). The following further ferrocenyl aryl ethers were prepared (aryl group, m.p., and % yield given): Ph, 93-3.5°, 28; 3-(3-phenoxyphenoxy)phenyl, 74-4.5°, 50; 2-biphenylyl, 141-2°, 62; 4-BrC6H4, 87-7.5°, 22. All ferrocenyl aryl ethers exhibited strong absorption in the 1270-1230 cm.-1 region. When heated in sealed capillaries the ethers did not appear to decompose

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