Category: 1273-73-0

Reference of Bromoferrocene. 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 Ferrocene and Cobaltocene Derivatives for Non-Aqueous Redox Flow Batteries. Author is Hwang, Byunghyun; Park, Min-Sik; Kim, Ketack.

Ferrocene and cobaltocene and their derivatives are studied as new redox materials for redox flow cells. Their high reaction rates and moderate solubility are attractive properties for their use as active materials. The cyclability experiments are carried out in a static cell; the results showed that these materials exhibit stable capacity retention and predictable discharge potentials, which agree with the potential values from the cyclic voltammograms. The diffusion coefficients of these materials are 2 to 7 times higher than those of other non-aqueous materials such as vanadium acetylacetonate, iron tris(2,2′-bipyridine) complexes, and an organic benzene derivative

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SDS of cas: 1273-73-0. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Electron-Transfer Properties of an Efficient Nonheme Iron Oxidation Catalyst with a Tetradentate Bispidine Ligand. Author is Comba, Peter; Fukuzumi, Shunichi; Kotani, Hiroaki; Wunderlich, Steffen.

The electron-transfer properties are reported for an FeV=O complex (I) with the tetradentate bispidine ligand. The electron transfer from dibromoferrocene (Br2Fc) to I is confirmed by the UV/Vis spectral changes, with an increase of the absorption observed at 690 nm for the Br2Fc+ cation and the concomitant decrease of the absorption of I at 760 nm.

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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 The observation of ion-pairing effect based on substituent effect of ferrocene derivatives.HPLC of Formula: 1273-73-0.

The ion-pairing effect was studied based on the substituent effect of ferrocene (Fc) derivatives using cyclic voltammetry. The presence of ion-pairing strongly affected the electrochem. redox behavior in the organic solvent. The formal redox potential (E0′, the average of anodic and cathodic peak potential) shifted neg. with the increasing ion-pairing effect. That was because the formation of ion pair (Fc+·ClO-4) was beneficial to equilibrium shift from Fc to Fc+ in thermodn. Electron-donating and electron-withdrawing substituents of ferrocene derivatives were employed for a deep study of ion-pairing effect, resp. Both ion-pairing effect and electron-donating substituent effect facilitated the neg. shift of E0′ for ferrocene derivatives, showing the pos. cooperativity. While the electron-withdrawing substituent effect resulted in the pos. shift of E0′ for ferrocene derivatives and was unfavorable for the oxidation of Fc derivatives, reflecting the neg. cooperativity with ion-pairing effect. The reversal phenomenon of weak electron-withdrawing substituent was revealed when the ion-pairing effect was stronger than the electron-withdrawing substituent effect, indicating that the ion-pairing function has a significant effect on electrochem. behavior of ferrocene derivatives

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Formula: C10BrFe. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Electron-Transfer Properties of an Efficient Nonheme Iron Oxidation Catalyst with a Tetradentate Bispidine Ligand. Author is Comba, Peter; Fukuzumi, Shunichi; Kotani, Hiroaki; Wunderlich, Steffen.

The electron-transfer properties are reported for an FeV=O complex (I) with the tetradentate bispidine ligand. The electron transfer from dibromoferrocene (Br2Fc) to I is confirmed by the UV/Vis spectral changes, with an increase of the absorption observed at 690 nm for the Br2Fc+ cation and the concomitant decrease of the absorption of I at 760 nm.

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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).Application In Synthesis of Bromoferrocene. 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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SDS of cas: 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. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about The electrochemical cleavage of carbon-halogen bonds of haloferrocenes.

Cyclic voltammetric studies for chloroferrocene  [1273-74-1], bromoferrocene  [1273-73-0], and iodoferrocene  [1273-76-3] in ethylene glycol di-Me ether at -45° were reported. The cyclic voltammogram and the absorption spectrum of the solution after the exhaustive controlled-potential reduction for the reduction step of haloferrocene show a quant. formation of ferrocene and a cleavage of the C-halogen bond of haloferrocene.

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Computed Properties of C10BrFe. 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: 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 Oxidation kinetics of ferrocene derivatives with dibenzoyl peroxide.Recommanded Product: Bromoferrocene.

Chem. oxidation of ferrocene and related derivatives by dibenzoyl peroxide in acetonitrile solution produces ferrocenium and benzoic acid after acidification. The rate law is first order in oxidant and in reductant. Steric effects and activation parameters are consistent with a rate-controlling outer-sphere single-electron transfer (ET) step, and reorganization energies are obtained using Marcus theory with B3LYP calculations Energetics, optimized structures, and solvent effects indicate that rate is affected more by anion than cation solvation and that oxidation of decamethylferrocene by 3-chloroperoxybenzoic acid does not occur by ET.

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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.Chupakhin, Oleg N.; Utepova, Irina A.; Kovalev, Igor S.; Rusinov, Vladimir L.; Starikova, Zoya A. researched the compound: Bromoferrocene( cas:1273-73-0 ).Computed Properties of C10BrFe.They published the article 《Direct C-C coupling of ferrocenyllithium and azaheterocycles by nucleophilic substitution of hydrogen – synthesis of mono- and 1,1′-diazinylferrocenes》 about this compound( cas:1273-73-0 ) in European Journal of Organic Chemistry. Keywords: ferrocene azinyl diazinyl preparation structure; coupling carbon ferrocenyllithium azaheterocycle; crystal structure ferrocene pyrimidinyl; mol structure ferrocene pyrimidinyl. We’ll tell you more about this compound (cas:1273-73-0).

A versatile synthetic protocol was proposed for the direct C-C coupling of a ferrocene fragment with various azaheterocycles in the absence of metal catalysts on the basis of nucleophilic substitution of hydrogen. Monosubstituted and disubstituted heteroannular azinyl derivatives of ferrocene were prepared in good yields. An X-ray crystal structure was done on 1-(pyrimidin-4-yl)ferrocene, which showed mols. forming centrosym. dimers through N···H-C hydrogen bonds and π-π stacking interactions between pyrimidine rings.

From this literature《Direct C-C coupling of ferrocenyllithium and azaheterocycles by nucleophilic substitution of hydrogen – synthesis of mono- and 1,1′-diazinylferrocenes》,we know some information about this compound(1273-73-0)Computed Properties of C10BrFe, but this is not all information, there are many literatures related to this compound(1273-73-0).

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Quality Control of Bromoferrocene. 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 Iron-57-Moessbauer spectroscopic studies of the reaction products of binuclear metallocenes with iodine. Author is Watanabe, Masanobu; Motoyama, Izumi; Sano, Hirotoshi.

A dark red colored stable diamagnetic adduct of biruthenocene with iodine can be prepared by treating biruthenocene with iodine in a dry benzene-hexane mixture A less stable diamagnetic adduct of ferrocenylruthenocene with iodine can also be obtained. 1H-NMR and 57Fe-Moessbauer spectroscopic studies of the adducts suggest the presence of a direct interaction between Ru and I atoms in the adducts. Ferrocenylruthenocenylmethane gave iodoruthenocenylmethyleneferrocenium triiodide.

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