Tag: M.W:200-300

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Replacement of halogen in halo ferrocenes by a proton》. Authors are Nesmeyanov, A. N.; Kursanov, D. N.; Nefedova, M. N.; Setkina, V. N.; Perevalova, E. G..The article about the compound:Bromoferrocenecas:1273-73-0,SMILESS:Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25).Electric Literature of C10BrFe. Through the article, more information about this compound (cas:1273-73-0) is conveyed.

Iodoferrocene and CF3CO2D in C6H6 under N atm. gave a dark violet precipitate which was separated and the filtrate extracted with H2O gave in the extract the evidence of ferricinium ion; treated with Na2SO3 it gave ferrocene containing 9.5% D; the precipitate gave iodoferrocene, which with I gave the dark violet precipitate as above. Bromoferrocene similarly gave 10% ferrocene while chloroferrocene gave some chloroferrocene containing 25% D.

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Computed Properties of C10H8BrNO2. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-(7-Bromo-1H-indol-3-yl)acetic acid, is researched, Molecular C10H8BrNO2, CAS is 63352-97-6, about Auxin activity of brominated indoles from the marine sponge Pseudosuberites hyalinus. Author is Rasmussen, Thomas; Christophersen, Carsten; Nielsen, Per H.; Rajagopal, Ranganatha.

A series of brominated indoles from the marine sponge Pseudosuberites hyalinus and 6-bromoindole-3-acetic acid (6-Br-IAA) were assessed for auxin activity in Avena and Triticum straight growth assay. 6-Br-IAA showed low activity compared to 6-chloroindole-3-acetic acid, while the corresponding Me esters had comparable activities.

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Wu, Haoyu; Lin, Qianqi; Batchelor-McAuley, Christopher; Goncalves, Luis Moreira; Lima, Carlos F. R. A. C.; Compton, Richard G. published the article 《Stochastic detection and characterisation of individual ferrocene derivative tagged graphene nanoplatelets》. Keywords: biphenyl ferrocene tagged graphene nanoplatelet Faradaic capacitative charge transfer.They researched the compound: Bromoferrocene( cas:1273-73-0 ).Recommanded Product: Bromoferrocene. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:1273-73-0) here.

Graphene nanoplatelets (GNPs) are ‘tagged’ with 1-(biphen-4-yl)ferrocene. Chronoamperometry is then utilized to observe single particle impacts when GNPs suspended in solution collide with a carbon fiber micro wire electrode held at an oxidizing potential, resulting in current/time transient “”spikes””. The impacts are associated with two types of charge transfer: Faradaic due to oxidation of the ‘tag’ and capacitative due to disruption of the double layer. Anal. of the spikes suggests approx. monolayer coverage of 1-(biphen-4-yl)ferrocene on the GNP surfaces, with a surface coverage of (2.2 ± 0.3) × 10-10 mol cm-2. In contrast non-derivatized ferrocene does not exhibit any significant adsorption on the GNP material.

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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 1273-73-0, is researched, SMILESS is Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25, Molecular C10BrFeJournal, Russian Chemical Bulletin called Stable σH-adducts in reactions of ferrocenyllithium with azines, Author is Utepova, I. A.; Lakhina, A. E.; Varaksin, M. V.; Kovalev, I. S.; Rusinov, V. L.; Slepukhin, P. A.; Kodess, M. I.; Chupakhin, O. N., the main research direction is pyridyltriazine ferrocenyllithium nucleophilic substitution; azine ferrocenyllithium nucleophilic substitution; triazinylferrocene preparation mol crystal structure; ferrocene triazinyl preparation mol crystal structure.Recommanded Product: 1273-73-0.

Stable σH-adducts as intermediates of the nucleophilic substitution of H in 3-(2-pyridyl)-1,2,4-triazines were obtained using ferrocenyllithium as a nucleophilic reagent. The 3D structures of the reaction products were established by an x-ray diffraction study on 1-[4-ethyl-6-phenyl-3-(2-pyridyl)-5(H)-1,2,4-triazin-5-yl]ferrocene [monoclinic, space group P21/c, a 9.3471(8), b 20.7674(13), c 10.7865(10) Å, β 96.248(7)°, V 2081.4(3) Å3, Z 4].

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Reaction of metallocenes with thiocyanogen》. Authors are Dove, M. F. A.; Sowerby, D. B..The article about the compound:Bromoferrocenecas:1273-73-0,SMILESS:Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25).Synthetic Route of C10BrFe. Through the article, more information about this compound (cas:1273-73-0) is conveyed.

An Et2O solution of (SCN)2 was added slowly to a solution of ferrocene to give a dark brown, unidentified powder, which was not a simple thiocyanate, although ferricinium ions were present. Using CH2 Cl2 as solvent a darkcolored crystalline product [(C5H5)2Fe]2Fe(NCS)4 precipitated Ir spectra showed strong bands at 3095, 1414, 1010, and 850 cm.-1 characteristic of the ferricinium ion and at 2055, 480, and 262 cm.-1 due to the iron thiocyanate group. The electronic spectrum in a KBr disk showed a strong maximum at 20.3 kK with a shoulder at 15.8 kK. An analogous reaction between cobaltocene and (SCN)2 in Et2 O at room temperature yielded as the main product yellow crystalline cobalticinium thiocyanate as shown by elemental anal., ir and electronic spectra, conductivity, and proton N.M.R.

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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.Musikhina, A. A.; Utepova, I. A.; Serebrennikova, P. O.; Chupakhin, O. N.; Charushin, V. N. researched the compound: Bromoferrocene( cas:1273-73-0 ).Computed Properties of C10BrFe.They published the article 《Synthesis of chiral ferrocenylazines. Negishi cross-coupling or SNH reactions?》 about this compound( cas:1273-73-0 ) in Russian Journal of Organic Chemistry. Keywords: ferrocene quinolinyl chiral preparation stereoselective. We’ll tell you more about this compound (cas:1273-73-0).

Preparation of new hetaryl-containing planar chiral ferrocene by a nucleophilic substitution of hydrogen in azines was performed using a lithium derivative of (S)-ferrocenyl-p-tolylsulfoxide as s nucleophilic reagent.

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Electric Literature of C10H8BrNO2. 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: 2-(7-Bromo-1H-indol-3-yl)acetic acid, is researched, Molecular C10H8BrNO2, CAS is 63352-97-6, about Growth of Avena coleoptiles and pH drop of protoplast suspensions induced by chlorinated indoleacetic acids. Author is Boettger, Michael; Engvild, Kjeld C.; Soll, H..

Several indoleacetic acids, substituted in the benzene ring, were compared in the Avena straight growth bioassay. 4-Chloroindoleacetic acid (I) [2519-61-1], a naturally occurring plant hormone, was one of the strongest hormones in this bioassay. With an optimum at 10-6 mol/L, it was more active than indoleacetic acid [87-51-4], 2,4-dichlorophenoxyacetic acid [94-75-7], and naphthaleneacetic acid [86-87-3]. 5-Chloro- [1912-45-4] and 6-chloroindoleacetic acid [1912-44-3] are very strong auxins as well. Other derivatives tested have a lower activity. 5,7-Dichloro- [1912-40-9] and 5-hydroxyindoleacetic acid [54-16-0] have very low auxin activity at 10-4 mol/L and may be antiauxins. Some of the derivatives were compared for their effect on pH decline in stem protoplast suspensions of Helianthus annuus and Pisum sativum. The change of pH occurs without a lag period or with only a very short one. Derivatives which are very active in the Avena straight growth assay cause a larger pH decline than indoleacetic acid, while inactive derivatives cause effectively no pH decline.

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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 1273-73-0, is researched, SMILESS is Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25, Molecular C10BrFeJournal, Article, Organic & Biomolecular Chemistry called Probing the tolerance of cucurbit[7]uril inclusion complexes to small structural changes in the guest, Author is Yi, Song; Li, Wei; Nieto, Daniel; Cuadrado, Isabel; Kaifer, Angel E., the main research direction is cucurbituril host guest complex ferrocenylalkyltrimethylammonium preparation electrochem DFT; electron transfer kinetics cucurbituril inclusion complex ferrocenylalkyltrimethylammonium; inclusion reaction cucurbituril host ferrocenylalkyltrimethylammonium guest.Quality Control of Bromoferrocene.

The binding properties of the cucurbit[7]uril host with three structurally related ferrocene-containing guests, ferrocenyltrimethylammonium, ferrocenylmethyltrimethylammonium and ferrocenylethyltrimethylammonium, were studied using 1H NMR spectroscopy, mass spectrometry, voltammetry and computational methods. The exptl. and computational data indicate that the stability of the cucurbit[7]uril inclusion complexes is relatively insensitive to the number of methylenes connecting the trimethylammonium and the ferrocenyl groups, although some of their properties are affected in significant ways.

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HPLC of Formula: 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 Alkoxylation of ferrocene by photolysis of haloferrocenes in aqueous alcohols. Author is Shibata, Katsuyoshi; Saito, Yoshiyuki; Matsui, Masaki; Takase, Yoshimi.

The UV irradiation of haloferrocenes I (R = Cl, Br, iodo) in aq R1OH (R1 = Me, Et, Pr, CHMe2, CMe3) resulted in an alcoholysis with the formation of 8-60% of the corresponding alkoxyferrocenes I (R = OR1) and 5-28% ferrocene. The order of the reactivities of I was R = iodo > Br > Cl.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Organometallics called N,N’-Diferrocenyl-N-heterocyclic Carbenes and Their Derivatives, Author is Bildstein, Benno; Malaun, Michael; Kopacka, Holger; Wurst, Klaus; Mitterboeck, Martin; Ongania, Karl-Hans; Opromolla, Giuliana; Zanello, Piero, which mentions a compound: 1273-73-0, SMILESS is Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25, Molecular C10BrFe, Recommanded Product: 1273-73-0.

In continuation of the authors’ work on Wanzlick/Arduengo carbenes containing redox-active ferrocenyl substituents the synthesis of N,N’-diferrocenyl imidazol(in)ium salts as precursors of imidazol(in)-2-ylidenes is reported. The necessary starting material for this chem. is aminoferrocene, which was prepared by an improved and large-scale synthesis by the sequence solid lithioferrocene, iodoferrocene, N-ferrocenylphthalimide, aminoferrocene. The preparation of N,N’-diferrocenyl heterocycles involves condensation of aminoferrocene with glyoxal to afford N,N’-diferrocenyldiazabutadiene [Fc-DAB], reduction, condensation with formaldehyde, and oxidation with trityl salts to yield N,N’-diferrocenylimidazol(in)ium salts. In situ deprotonation and trapping with electrophiles yielded the expected metal complexes and derivatives in some cases [Ag+ or S8], but attempted reaction with other transition metals [e.g., Pd(II)] failed to give the corresponding complexes, due to (i) steric hindrance by the two N-ferrocenyl substituents, (ii) reduced acidity of the imidazol(in)ium precursors, and (iii) inaccessibility of the free carbenes. Spectroscopic [IR, Raman, UV-visible, MS, NMR (1H, 13C, 109Ag)], structural [x-ray], and electrochem. [CV] properties are reported and compared to those of other N-heterocyclic carbene derivatives

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