Category: 2834-05-1

SDS of cas: 2834-05-1. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 11-Bromoundecanoic acid, is researched, Molecular C11H21BrO2, CAS is 2834-05-1, about Artificial photosynthesis: photoanodes based on polyquinoid dyes onto mesoporous tin oxide surface. Author is Volpato, Giulia Alice; Colusso, Elena; Paoloni, Lorenzo; Forchetta, Mattia; Sgarbossa, Francesco; Cristino, Vito; Lunardon, Marco; Berardi, Serena; Caramori, Stefano; Agnoli, Stefano; Sabuzi, Federica; Umari, Paolo; Martucci, Alessandro; Galloni, Pierluca; Sartorel, Andrea.

Dye-sensitized photoelectrochem. cells represent an appealing solution for artificial photosynthesis, aimed at the conversion of solar light into fuels or commodity chems. Extensive efforts have been directed towards the development of photoelectrodes combining semiconductor materials and organic dyes; the use of mol. components allows to tune the absorption and redox properties of the material. Recently, we have reported the use of a class of pentacyclic quinoid organic dyes (KuQuinone) chemisorbed onto semiconducting tin oxide as photoanodes for water oxidation In this work, we investigate the effect of the SnO2 semiconductor thickness and morphol. and of the dye-anchoring group on the photoelectrochem. performance of the electrodes. The optimized materials are mesoporous SnO2 layers with 2.5 μm film thickness combined with a KuQuinone dye with a 3-carboxylpropyl-anchoring chain: these electrodes achieve light-harvesting efficiency of 93% at the maximum absorption wavelength of 533 nm, and photocurrent d. J up to 350 μA/cm2 in the photoelectrochem. oxidation of ascorbate, although with a limited incident photon-to-current efficiency of 0.075%. Calculations based on the d. functional theory (DFT) support the role of the reduced species of the KuQuinone dye via a proton-coupled electron transfer as the competent species involved in the electron transfer to the tin oxide semiconductor. Finally, a preliminary investigation of the photoelectrodes towards benzyl alc. oxidation is presented, achieving photocurrent d. up to 90 μA/cm2 in acetonitrile in the presence of N-hydroxysuccinimide and pyridine as redox mediator and base, resp. These results support the possibility of using mol.-based materials in synthetic photoelectrochem.

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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Synthetic Route of C11H21BrO2. 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: 11-Bromoundecanoic acid, is researched, Molecular C11H21BrO2, CAS is 2834-05-1, about Facile synthesis of gold nanoparticles capped with an ammonium-based chiral ionic liquid crystal. Author is Mangaiyarkarasi, R.; Sivaranjini, B.; Umadevi, S..

Herein, we describe a facile synthesis of stable chiral ionic liquid crystal (ILC)-capped gold nanoparticles. A new ILC containing a chiral cholesterol moiety having a terminal triethylammonium group was synthesized which exhibited an enantiotropic lamellar mesophase. Stable, monodisperse citrate-stabilized gold nanoparticles having a size of ∼60 nm were prepared and the citrate ligands on the gold nanoparticles were replaced with chiral ILC through a two-phase ligand exchange process. The resulting chiral ILC-stabilized particles were characterised using UV-visible (UV-Vis) and transmission electron microscopy (TEM) studies. Different from the citrate-stabilized nanoparticles, the ligand exchanged gold nanoparticles were dispersible in organic solvent and resulting dispersion was stable for more than observed period of 3 mo. Furthermore, the chiral ILC-decorated gold nanoparticles were found to be well dispersible in a nematic host without any aggregation and induced a vertical alignment of the nematic director.

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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Computed Properties of C11H21BrO2. 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: 11-Bromoundecanoic acid, is researched, Molecular C11H21BrO2, CAS is 2834-05-1, about Design, synthesis, and biological evaluation of Bcr-Abl PROTACs to overcome T315I mutation. Author is Jiang, Liang; Wang, Yuting; Li, Qian; Tu, Zhengchao; Zhu, Sihua; Tu, Sanfang; Zhang, Zhang; Ding, Ke; Lu, Xiaoyun.

Bcr-Abl threonine 315 to isoleucine 315 (T315I) gatekeeper mutation induced drug resistance remains an unmet clin. challenge for the treatment of chronic myeloid leukemia (CML). Chem. degradation of Bcr-AblT315I protein has become a potential strategy to overcome drug resistance. Herein, we first described the design, synthesis, and evaluation of a new class of selective Bcr-AblT315I proteolysis-targeting chimeric (PROTAC) degraders based on GZD824 (reported as Bcr-AblT315I inhibitor by our group). One of the degrader 7o with 6-member carbon chain linkage with pomalidomide exhibits the most potent degradation efficacy with DR of 69.89% and 94.23% at 100 and 300 nmol/L, resp., and has an IC50 value of 26.8 ± 9.7 nmol/L against Ba/F3T315I cells. Further, 7o also displays substantial tumor regression against Ba/F3-Bcr-AblT315I xenograft model in vivo.

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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 11-Bromoundecanoic acid(SMILESS: O=C(O)CCCCCCCCCCBr,cas:2834-05-1) is researched.SDS of cas: 616-14-8. The article 《Selectivity control in thiol-yne click reactions via visible light induced associative electron upconversion》 in relation to this compound, is published in Chemical Science. Let’s take a look at the latest research on this compound (cas:2834-05-1).

An associative electron upconversion was proposed as a key step determiningthe selectivity of thiol-yne coupling. The developed synthetic approach provided an efficient tool to access a comprehensive range of products-four types of vinyl sulfides were prepared in high yields and selectivity. Practically important transition-metal-free regioselective thiol-yne additionand formation of the demanding Markovnikov-type product by a radical photoredox process. The photochem. process was directly monitored by mass-spectrometry in a specially designed ESI-MS device with green laser excitation in the spray chamber. The proposed reaction mechanism was supported by experiments and DFT calculations

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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

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, Article, International Journal of Molecular Sciences called Structure of nanotubes self-assembled from a monoamide organogelator, Author is Zapien-Castillo, Samuel; Diaz-Zavala, Nancy P.; Melo-Banda, Jose A.; Schwaller, Duncan; Lamps, Jean-Philippe; Schmutz, Marc; Combet, Jerome; Mesini, Philippe J., which mentions a compound: 2834-05-1, SMILESS is O=C(O)CCCCCCCCCCBr, Molecular C11H21BrO2, HPLC of Formula: 2834-05-1.

Some organic compounds are known to self-assemble into nanotubes in solutions, but the packing of the mols. into the walls of the tubes is known only in a very few cases. Herein, we study two compounds forming nanotubes in alkanes. They bear a secondary alkanamide chain linked to a benzoic acid Pr ester (HUB-3) or to a Bu ester (HUB-4). They gel alkanes for concentrations above 0.2 weight%. The structures of these gels, studied by freeze fracture electron microscopy, exhibit nanotubes: for HUB-3 their external diameters are polydisperse with a mean value of 33.3 nm; for HUB-4, they are less disperse with a mean value of 25.6 nm. The structure of the gel was investigated by small- and wide-angle X-ray scattering. The evolution of the intensities show that the tubes are metastable and transit slowly toward crystals. The intensities of the tubes of HUB-4 feature up to six oscillations. The shape of the intensities proves the tubular structure of the aggregates, and gives a measurement of 20.6 nm for the outer diameters and 11.0 nm for the inner diameters It also shows that the electron d. in the wall of the tubes is heterogeneous and is well described by a model with three layers.

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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Synthesis of Long-Chain Alkanoyl Benzenes by an Aluminum(III) Chloride-Catalyzed Destannylative Acylation Reaction, published in 2021-07-02, which mentions a compound: 2834-05-1, Name is 11-Bromoundecanoic acid, Molecular C11H21BrO2, Recommanded Product: 2834-05-1.

This paper describeD the facile synthesis of haloaryl compounds with long-chain alkanoyl substituents by the destannylative acylation of haloaryls bearing tri-n-butyltin (Bu3Sn) substituents. The method allowed the synthesis of many important synthons for novel functional materials in a highly efficient manner. The halo-tri-n-butyltin benzenes were obtained by the lithium-halogen exchange of com. available bis-haloarenes and the subsequent reaction with Bu3SnCl. Under typical Friedel-Crafts conditions, i.e., the presence of an acid chloride and AlCl3, the haloaryls were acylated through destannylation. The reactions proceeded fast (<5 min) at low temperatures and thus were compatible with aromatic halogen substituents. Furthermore, the method was applicable to para-, meta- and ortho-substitution and larger systems, as demonstrated for biphenyls. The generated tin byproducts were efficiently removed by trapping with silica/KF filtration and most long-chain haloaryls were obtained chromatog.-free. Mol. structures of several products were determined by X-ray single-crystal diffraction and the crystal packing was investigated by mapping Hirshfeld surfaces onto individual mols. A feasible reaction mechanism for the destannylative acylation reaction was proposed and supported through d. functional theory (DFT) calculations DFT results in combination with NMR-scale control experiments unambiguously demonstrate the importance of the tin substituent as a leaving group, which enables the acylation. This literature about this compound(2834-05-1)Recommanded Product: 2834-05-1has given us a lot of inspiration, and I hope that the research on this compound(11-Bromoundecanoic acid) can be further advanced. Maybe we can get more compounds in a similar way.

Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Electric Literature of C11H21BrO2. 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: 11-Bromoundecanoic acid, is researched, Molecular C11H21BrO2, CAS is 2834-05-1, about Modulating electron transfer in ferrocene-naphthoquinone dyads: New insights in parameters influencing ET efficiency. Author is Sabuzi, Federica; Coletti, Alessia; Pomarico, Giuseppe; Floris, Barbara; Galloni, Pierluca; Conte, Valeria.

Electron transfer (ET) constitutes a key process for several biol. transformations, including solar energy conversion in bacteria and plants. Nowadays, numerous synthetic systems have been proposed to mimic such kind of natural occurring process. In this work, we elucidate the factors that mostly influence the electron transfer process in ferrocene-naphthoquinone dyads. In particular, the connection between the two redox units has been varied, in order to study the ET dependence from: (i) the distance between donor-acceptor units and (ii) the oxidation potential of the donor species. No interaction among the two moieties has been detected at the ground state, while efficient electron transfer process was observed following excitation of the naphthoquinone through UV-light, as well as upon the aid of a Lewis acid promoter in solution Moreover, DFT calculations have been performed to support the exptl. data.

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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

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.Kawamoto, Naoki; Hu, Yongxing; Kuwahara, Yutaka; Ihara, Hirotaka; Takafuji, Makoto researched the compound: 11-Bromoundecanoic acid( cas:2834-05-1 ).Product Details of 2834-05-1.They published the article 《A molecular shape recognitive HPLC stationary phase based on a highly ordered amphiphilic glutamide molecular gel》 about this compound( cas:2834-05-1 ) in Nanomaterials. Keywords: amphiphilic glutamide mol gel shape HPLC stationary phase; high performance liquid chromatography (HPLC); highly-oriented structure; molecular gels; phenolic compounds; stereo isomers; steroids. We’ll tell you more about this compound (cas:2834-05-1).

Chiral glutamide-derived lipids form self-assembled fibrous mol. gels that can be used as HPLC organic phases. In this study, HPLC separation efficiency was improved through the addition of branched amphiphilic glutamide lipids to the side chains of a terminally immobilized flexible polymer backbone. Poly(4-vinylpyridine) with a trimethoxysilyl group at one end was grafted onto the surface of porous silica particles (Sil-VP15, polymerization degree = 15), and the pyridyl side chains were quaternized with a glutamide lipid having a bromide group (BrG). Elemental anal. indicated that the total amount of the organic phase of the prepared stationary phase (Sil-VPG155) was 38.0 wt%, and the quaternization degree of the pyridyl groups was determined to be 32.5%. Differential scanning calorimetric anal. of a methanol suspension of Sil-VPG15 indicated that the G moieties formed a highly ordered structure below the phase transition temperature even on the silica surface, and the ordered G moieties exhibited a gel-to-liquid crystalline phase transition. Compared with a com. available octadecylated silica column, the Sil-VPG15 stationary phase showed high selectivity toward polycyclic aromatic hydrocarbons, and particularly excellent separations were obtained for geometrical and positional isomers. Sil-VPG15 also showed highly selective separation for phenol derivatives, and bio-related mols. containing phenolic groups such as steroids were successfully separated These separation abilities are probably due to multiple interactions between the elutes and the highly ordered functional groups, such as the pyridinium and amide groups, on the highly ordered mol. gel having self-assembling G moieties.

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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Zheng, Chao; Wang, Guang-Zu; Shang, Rui published the article 《Catalyst-free decarboxylation and decarboxylative Giese additions of alkyl carboxylates through photoactivation of electron donor-acceptor complex》. Keywords: alkyl carboxylate preparation green chem; acyloxy phthalimide preparation alkene photochem Giese addition; pyridinium salt preparation alkene photochem Giese addition.They researched the compound: 11-Bromoundecanoic acid( cas:2834-05-1 ).Name: 11-Bromoundecanoic acid. 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:2834-05-1) here.

A catalyst-free method to perform decarboxylative conjugated addition and hydrodecarboxylation of aliphatic N-(acyloxy) phthalimides e.g., I (redox active esters, RAEs) through photoactivation of electron-donor-acceptor (EDA) complex with Hantzsch ester (HE) in N,N-dimethylacetamide (DMA) solution was reported. The reactions present a green method to decarboxylatively construct carbon-carbon bond and to perform hydrodecarboxylation with broad substrate scope and functional group tolerance under mild blue light irradiation condition without recourse of popularly used photo-redox catalysts.

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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

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 Redox-Responsive Pickering Emulsions Stabilized by Silica Nanoparticles and Ferrocene Surfactants at a Very Low Concentration, published in 2019-10-07, which mentions a compound: 2834-05-1, mainly applied to green pickering emulsion silica nanoparticle ferrocene surfactant stabilized, Recommanded Product: 2834-05-1.

Here, we describe a redox-responsive Pickering emulsion stabilized by silica nanoparticles and a ferrocene surfactant (FcCOC10N) at a concentration as low as 0.01 mM (≈0.005 cmc). The emulsions are stable and resistant to coalescence for more than one month. The ferrocene group in the structure of FcCOC10N can be reversibly switched between its oxidized and reduced forms by redox reactions, which would alter the amphiphilic properties of the surfactant. Consequently, the emulsion can be switched between ′′on′′ (stable) and ′′off′′ (unstable) states through electrochem. reactions without adding addnl. chems. or changing the particle/surfactant concentration Moreover, the Pickering emulsifier composed of the surfactant and the nanoparticles can be recovered and reused after removal of the original oil. It offers a new platform that provides green and sustainable operation for separation and reuse of the emulsifier in potential applications, such as biphasic catalysis and oil transportation. Redox-responsive Pickering emulsions were prepared using silica nanoparticles and a ferrocene surfactant, in which the emulsifier can be recycled and reused without addnl. chems. or expensive equipment.

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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI