Category: 1273-73-0

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Substitution of halogen in bromoferrocene by aromatic and heterocyclic radicals》. Authors are Nesmeyanov, A. N.; Sazonova, V. A.; Drozd, V. N..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 of 1273-73-0. Through the article, more information about this compound (cas:1273-73-0) is conveyed.

cf. CA 51, 9514b. Heating 0.3 g. bromoferrocene (I) with 1.8 g. Ph4BCu.C5H5N under N 0.5 hr. at 125-30° gave after extraction with Et2O and chromatography on Al2O3 in heptane 57% phenylferrocene; a 56% yield resulted from a similar reaction with I and Ph4BK in the presence of Cu2Br2moistened with pyridine. The reaction also gave some ferrocene (II), biferrocenyl, and probably polyphenylferrocenes. Similarly, (p-MeC6H4)4BNa and Cu2Br2 gave 53% p-tolylferrocene, while tetra-α-thienylboropotassium gave 81% α-thienylferrocene (III), m. 116.5-17.5°. Heating I with N-sodiopyrrole in the presence of Cu2Br2 0.5 hr. at 120° gave some II, 17% N-pyrrylferrocene, m. 83-3.5° (after sublimation in vacuo), and biferrocenyl. Tetra-1-indolylboropotassium similarly gave 35% N-indolylferrocene, m. 89-90°. Refluxing I with PhCCCu in Me2NCHO 3 hrs. under N gave 48% ferrocenylphenylacetylene, m. 126-7°.

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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.Product Details of 1273-73-0.

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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Category: thiazolidine. 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 A new synthesis of diferrocenyl ketones.

Diferrocenyl ketone and [1.1]ferrocenophane-1,12-dione (I) were obtained in 86% and 13% yields, resp., via a simple route analogous to the Barbier synthesis involving N,N-disubstituted carbamyl chlorides and the appropriate bromoferrocene derivatives

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Application In Synthesis of Bromoferrocene. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Crystal and molecular structure of the complex boron triferrocenyl-pyridine. Author is Soriano-Garcia, Manuel; Toscano, Alfredo; Lopez, Tessy; Campero-Celis, Antonio.

X-ray study of the title tris(ferrocenyl)boron pyridine complex confirms that in the solid state its structure is similar to that inferred from chem. and spectroscopic evidence. The B atom is coordinated by 3 ferrocenyl groups and a pyridine ring in a distorted tetrahedral array. The mol. has a nearly 3-fold axis normal to the plane defined by the ferrocenyl groups. The B-N distance of 1.656 (5) Å is larger than that obtained for other compounds studied. The pyridine and cyclopentadienyl rings are planar. The H atoms of the cyclopentaidenyl rings are displaced significantly toward their corresponding Fe atom. The mols. in the crystal are packed at normal van der Waals distances. No unusually short intermol. contacts are noted.

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Thiazolidine – Wikipedia,
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Recommanded Product: 1273-73-0. 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: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Synthesis of diferrocenylglyoxime and some of its transition-metal complexes. Author is Ertas, Mumtaz; Koray, Ali R.; Ahsen, Vefa; Bekaroglu, Ozer.

Diferrocenylglyoxime (I) was prepared by treating mono- or dilithioferrocene with anti-dichloroglyoxime. Characterization of this novel vic-dioxime and some of its transition metal complexes is described. E.g., treating NiCl2 with I in EtOH, followed by NaOH in EtOH, gave 60% Ni complex II (L = ferrocenyl).

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Bromoferrocene(SMILESS: Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25,cas:1273-73-0) is researched.Related Products of 214610-10-3. The article 《Rhodium(III) and ruthenium(II) complexes of redox-active, chelating N-heterocyclic carbene/thioether ligands》 in relation to this compound, is published in New Journal of Chemistry. Let’s take a look at the latest research on 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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Computed Properties of 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 Rhodium(III) and ruthenium(II) complexes of redox-active, chelating N-heterocyclic carbene/thioether ligands. Author is Labande, Agnes; Daran, Jean-Claude; Long, Nicholas J.; White, Andrew J. P.; Poli, Rinaldo.

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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Thiazolidine – Wikipedia,
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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Diferrocenylamine》. Authors are Nesmeyanov, A. N.; Sazonova, V. A.; Romanenko, V. I..The article about the compound:Bromoferrocenecas:1273-73-0,SMILESS:Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25).COA of Formula: C10BrFe. Through the article, more information about this compound (cas:1273-73-0) is conveyed.

N-Acetylferrocenylamine heated with excess EtONa 40 min. at 150° gave a red-brown Na derivative, which with bromoferrocene in the presence of CuBr 1 h. at 110-20° gave a mixture of ferrocene, diferrocenyl, azoferrocene, starting material, and some N-acetyldiferrocenylamine, m. 176° (heptane). This and LiAlH4 in Et2O 6 h. gave after an aqueous treatment 8.3% N-ethyldiferrocenylamine, m. 149-9.5°, and yellow (70%) diferrocenylamine, m. 152-3° (aqueous EtOH). This and Et3O+BF4- 5-10 min. at room temperature gave 56% ethyldiferrocenylamine, identical with the above. N-Benzoylferrocenylamine in THF added to LiAlH4 and refluxed 6 h. under N gave after an aqueous treatment 86% benzylferrocenylamine, m. 125°; benzoyl derivative m. 134.5-5.5°. The amine and Et3O+BF4- in CH2Cl2 gave in 5 min. refluxing 81% ethylbenzylferrocenylamine, m. 48-8.5°. N-Acetylferrocenylamine was reduced with LiAlH4 in Et2O to 94% ethylferrocenylamine m. 56.5-8°, identical with the specimen formed from ferrocenylamine and Et3O+BF4-.

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Thiazolidine – Wikipedia,
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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.Otero, E.; Wilks, R. G.; Regier, T.; Blyth, R. I. R.; Moewes, A.; Urquhart, S. G. researched the compound: Bromoferrocene( cas:1273-73-0 ).HPLC of Formula: 1273-73-0.They published the article 《Substituent effects in the iron 2p and carbon 1s edge near-edge x-ray absorption fine structure (NEXAFS) spectroscopy of ferrocene compounds》 about this compound( cas:1273-73-0 ) in Journal of Physical Chemistry A. Keywords: ferrocene methyl bromo carboxy vinyl acyl NEXAFS spectra; substituent effect methyl bromo carboxy vinyl ferrocene NEXAFS spectra; conjugation unsaturated substituent effect ferrocene x ray absorption NEXAFS; fine structure x ray absorption spectra ferrocene substituent effect; electron energy calculation EHMO DFT ferrocene NEXAFS spectra. We’ll tell you more about this compound (cas:1273-73-0).

The iron 2p and carbon 1s near-edge x-ray absorption fine structure (NEXAFS) spectra of substituted ferrocene compounds, Cp2Fe, Cp*2Fe, CpFe(η5-C5H4Me), CpFe(η5-C5H4Br) CpFe(η5-C5H4CO2H) CpFe(η5-C5H4CH:CH2) (η5-C5H4Me)2Fe, (η5-C5H4Br)2Fe, (η5-C5H4CO2H)2Fe, (η5-C5H4COMe)2Fe are reported and are interpreted with the aid of EHMO (EHMO) theory and d. functional theory (DFT). Significant substituent effects are observed in both the Fe 2p and C 1s NEXAFS spectra. These effects can be related to the electron donating/withdrawing properties of the cyclopentadienyl ligands and their substituents as well as the presence of π* conjugation between the cyclopentadienyl ligand and unsaturated substituents.

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Xiong, Huatian; Zou, Haiyuan; Liu, Hong; Wang, Mei; Duan, Lele published an article about the compound: Bromoferrocene( cas:1273-73-0,SMILESS:Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25 ).Application In Synthesis of Bromoferrocene. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:1273-73-0) through the article.

Surface functionalization of carbon materials is of interest in many research fields, such as electrocatalysis, interfacial engineering, and supercapacitors. As an emerging carbon material, γ-graphyne has attracted broad attention. Herein, we report that the surface functionalization of a γ-graphyne-like carbon material (γ-G1) is achieved by immobilizing functional groups via the click chem. Texture anal. of aberration-corrected microscopy, XPS, and electrochem. confirm the successful surface modification of γ-G1 through a strong covalent linkage 1,2,3-triazole. The direct linkage of functional groups on γ-G1 via the click chem. represents a general method for preparing other functional materials by using γ-graphyne-like materials as a skeleton.

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Thiazolidine – Wikipedia,
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