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The efficiency of the alkaloids quinine, cinchonine, cinchonidine and ephedrine, the aminoalcohols prolinol, and alaninol, as well as the aminoacids proline, and phenylalanine as catalysts for the enantioselective addition of diethylzinc to ferrocene carbaldehyde and benzaldehyde has been studied. The addition reactions proceeded with acceptable yields and low to moderate enantioselectivities. The side products ferrocenyl methanol and 1-ferrocenyl-1-propanone, observed during the additions to ferrocene carbaldehyde were isolated and characterized.

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Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

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We report the synthesis, characterization, and cytotoxic and antimalarial activity of ferrocene-indole hybrids 8-14. The 2-phenylindole scaffold was chosen because of its potent antimitotic activity and ferrocene was chosen following the development of ferrocifens, ferrocene derivatives of tamoxifen, which are prototypes of a new family of organometallic anti-estrogens. Ferrocene-indole hybrids 8-14 and their corresponding organic analogues 1-7 showed only moderate antimalarial activities, while ferrocene-indole hybrids 11 and 12 showed excellent in vitro activities against the A549 human carcinoma cell line, with IC50 values of 5 and 7 muM respectively. These ferrocene-indole hybrids were up to 25-fold more potent as cytotoxic agents than their purely organic analogues.

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Reference：
Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

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A glucose-modified dendritic hydrogel is used as a bioink for bacterial encapsulation. This biocompatible hydrogel is a potentially suitable alternative to conventional alginate hydrogel for bacterial encapsulation, as it readily forms gel in the presence of Na+ or K+ ions without any additional stimuli such as pH, temperature, sonication, or the presence of divalent metal ions. We created a bacterial microhabitat by adding the gelator to phosphate-buffered saline containing live bacteria at physiological pH and using an additive three-dimensional (3D) printing technique. The bacteria remained viable and metabolically active within the 3D printed bacterial microhabitat, as shown with confocal laser scanning microscopy and scanning electrochemical microscopy.

The result showed that such a combination of chemo- and biocatalysis improved the catalytic yield more than two times compared with that of sole metal catalysis. We will look forword to the important role of 1273-86-5, and how the biochemistry of the body works.Electric Literature of 1273-86-5

Reference：
Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

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This communication reports a new nanocatalytic scheme based on the facts that the redox reaction between a highly outer-sphere-reaction-philic (OSR-philic) species and a highly inner-sphere-reaction-philic (ISR-philic) species is slow and that an OSR- and ISR-philic Au-nanocatalyst label can mediate the two different types of redox species. This scheme allows highly sensitive and incubation free detection of creatine kinase-MB.

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Reference：
Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

With the volume and accessibility of scientific research increasing across the world, it has never been more important to continue building the reputation for quality and ethical publishing we’ve spent the past two centuries establishing.In an article, 1271-48-3, molcular formula is C12H10FeO2, belongs to iron-catalyst compound, introducing its new discovery., Application of 1271-48-3

The crystal architecture, stability, and behavior with temperature of bis(formyl)ferrocene, [Fe(eta5-C5H4CHO)2], have been investigated by variable-temperature X-ray diffraction experiments, differential scanning calorimetry, and thermogravimetry experiments. [Fe(eta5-C5H4CHO)2] is present with two independent molecules with cisoid and transoid relative orientations of the two formyl groups in the crystals obtained from the reaction sequence (phase RT-1). The role of C-H- – -O interactions involving the formyl groups has been examined. When RT-1 is heated, the first irreversible phase transition to a plastic phase (phase HT) is observed at ca. 38C (311 K). When it is cooled, phase HT transforms into a new room-temperature phase (RT-2). Once RT-2 has been formed, the system switches reversibly between HT and RT-2 (transition temperature in the heating cycles ca. 35C), while RT-1 can no longer be obtained. Further heating of phase HT shows the occurrence of an exothermic reaction at ca. 150C (423 K) leading to the formation of a ferrocene-based polymer.

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Reference：
Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

category: iron-catalyst, Chemistry graduates have much scope to use their knowledge in a range of research sectors, including roles within chemical engineering, chemical and related industries, healthcare and more. 1273-86-5, Name is Ferrocenemethanol, molecular weight is 206.99. In an Article，once mentioned of 1273-86-5

57Fe NMR-spectra of 28 mono and disubstituted ferrocenes with a natural abundance of 57Fe have been measured relative to internal ferrocene.Most of the resonances appear at the high frequency side.The shielding influence of the various substituents is discussed qualitatively. 57Fe shifts are very sensitive to ring tilting as occurring in <3>ferrocenophanes. – Keywords: 57Fe Shifts; Hybridization influence on chemical shifts; Ring tilting

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Reference：
Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

Chemical research careers are more diverse than they might first appear, Application of 1273-86-5, as there are many different reasons to conduct research and many possible environments. In a article, mentioned the application of 1273-86-5, Name is Ferrocenemethanol, molecular formula is C11H3FeO

alpha-Ferrocenylalkyl carbonates were demonstrated to be the species for ferrocenylalkylation reactions. The alpha-ferrocenylalkyl carbonates FcCH(R)OCOOEt (1a-c, Fc = ferrocenyl) were easily generated in situ by a reaction of the alpha-ferrocenyl substituted alcohols FcCH(R)OH (5a-c) with equimolar amounts of n-BuLi followed by EtOCOCl in THF or Et2O at 20 C. Due to the low thermal stability, carbonates 1a-c readily undergo a heterolytical decay furnishing the alpha-ferrocenyl carbocations FcCH(R)+ (2a-c) and carbonate anion R’OC(O)O? (3). The last one reversibly loses a molecule of CO2 giving rise anion EtO? that is capable of deprotonating a pre-nucleophile NuH (MeCOCH2COMe, dimethyl malonate, etc.) giving rise the corresponding nucleophile Nu?. The interaction between 2a-c and Nu? produces the alpha-ferrocenylalkylation products FcCH(R)Nu (4a-c) in moderate to high yields. The sequence above is a novel alpha-ferrocenylalkylation procedure easily proceeding under mild and neutral conditions. Due to these features, it may be useful for alpha-ferrocenylalkylations of either thermally labile compounds or the substrates susceptible to acidic conditions. The stability of carbonates 1a-c was found to decrease as the stability of the corresponding carbocations 2a-c increases. With 2-mercapto-1-methylimidazole, the alpha-ferrocenylalkylations proceed as the N-alkylation processes.

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Reference：
Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

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X-ray analysis reveals that both thiosemicarbazone groups of the title compound, [Fe(C8H10N3S)2]·H 2O, are in the keto tautomeric form and that the configuration of the azomethine C=N double bond is E. The two cyclopentadienyl rings are parallel and nearly eclipsed. The crystal structure is stabilized by extensive intra- and intermolecular hydrogen bonding involving the water molecule and the thiosemicarbazone moieties.

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Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

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In this work we report for the first time the use of the enzyme glucose oxidase (GOx) to efficiently disperse multiwall carbon nanotubes (CNT) and to confer biorecognition properties to the dispersed nanotubes. The optimum dispersion was obtained by sonicating for 15 min 1.0 mg/mL CNT in 1.0 mg/mL GOx solution prepared in 50:50 ethanol/water. The dispersion was evaluated by Scanning Electron Microscopy (SEM), Infrared (FT-IR) and Ultraviolet-visible (UV-vis) Spectroscopy. The electrochemical characterization of glassy carbon electrodes (GCE) modified with the dispersion (by dropping) was performed by Electrochemical Impedance Spectroscopy (EIS), Cyclic Voltammetry (CV), and Amperometry. The amount of electroactive GOx deposited on GCE (GCE/CNT-GOx) was 1.02 × 10-10 mol cm-2 and the rate constant for the electron transfer between FAD center and the electrode was (2.9 ± 0.1) s-1 according to Laviron and (9.2 ± 1.3) s-1 considering the model proposed by Albery. The enzyme demonstrated to keep its biocatalytic activity even after dissolution in 50/50 v/v, ethanol-water solution and sonication for 15 min using either ferrocene methanol or oxygen as redox mediators. The sensitivity to glucose at 0.700 V obtained for seventeen electrodes prepared with 6 different dispersions was (3.2 ± 0.2) × 102 muA M-1, (r = 0.997), with an R.S.D. of 6.0%. The sensitivity remained highly constant after 30 days at room temperature (25 C) and 4 C, with average values of (3.21 ± 0.07) × 102 muA M-1, r = 0.9992 and (3.59 ± 0.08) × 102 muA M-1, r = 0.9990, respectively. The GCE/CNT-GOx can be used as platform to build supramolecular architectures for biosensing through the self-assembling of polyelectrolytes, opening the doors to new and exciting possibilities for the development of biosensors.

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Reference：
Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

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Hydrogen peroxide (H2O2) is a highly relevant metabolite in many biological processes, including the oral microbiome. To study this metabolite, we developed a 25 mum diameter, highly sensitive, nonenzymatic H2O2 sensor with a detection limit of 250 nM and a broad linear range of 250 nM to 7 mM. The sensor used the synergistic activity of the catalytically active Pt nanoparticles on a high surface area multiwalled carbon nanotube and conducting ionic liquid matrix to achieve high sensitivity (2.4 ± 0.24 mA cm-2 mM-1) for H2O2 oxidation. The unique composite allowed us to miniaturize the sensor and couple it with a Pt electrode (25 mum diameter each) for use as a dual scanning electrochemical microscopy probe. We could detect 65 ± 10 muM H2O2 produced by Streptococcus gordonii (Sg) in a simulated biofilm at 50 mum above its surface in the presence of 1 mM glucose and artificial saliva solution (pH 7.2 at 37 C). Because of its high stability and low detection limit, the sensor showed a promising chemical image of H2O2 produced by Sg biofilms. We were also able to detect 30 muM H2O2 at 50 mum above the biofilm in the presence of the H2O2-decomposing salivary lactoperoxidase and thiocyanate, which would not otherwise be possible using an existing H2O2 assay. Thus, this sensor can potentially find applications in the study of other important biological processes in a complex matrix where circumstances demand a low detection limit in a compact space.

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Reference：
Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion