Tag: M.W:200-300

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Cupric bromide(SMILESS: [Cu+2].[Br-].[Br-],cas:7789-45-9) is researched.Formula: C3H3NO. The article 《ATRP-ARGET of a Styrene Monomer onto Modified Natural Rubber Latex as an Initiator》 in relation to this compound, is published in Langmuir. Let’s take a look at the latest research on this compound (cas:7789-45-9).

Atom transfer radical polymerization with an activator regenerated by electron transfer (ATRP-ARGET) was performed for graft copolymerization of styrene onto natural rubber in the latex stage as a heterogeneous system. Deproteinized and subsequently brominated natural rubber particles in the latex stage were subjected to graft copolymerization of styrene on their surfaces in the presence of an activated ATRP catalyst. 1H NMR spectroscopy and size exclusion chromatog. (SEC) characterized the particles. Ozonolysis was performed to deduct the polyisoprene contribution to SEC. Graft copolymerization in heterogeneous media by extraction with an acetone/2-butanone solution Both the linear evolution of the mol. weight vs. monomer conversion and the high grafting efficiency associated with a narrow mol. weight distribution of the resulting grafted polystyrene confirm a living radical behavior.

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Oxazolidine – Wikipedia,
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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone(SMILESS: CC(N1CCN(C2=CC=C(O)C=C2)CC1)=O,cas:67914-60-7) is researched.Safety of Cupric bromide. The article 《Electrochemical synthesis of new coumarin derivatives of potential biological significance》 in relation to this compound, is published in Journal of Electroanalytical Chemistry. Let’s take a look at the latest research on this compound (cas:67914-60-7).

Electrochem. synthesis of some new coumarin derivatives was carried out via the electrochem. oxidation of 1-(4-(4-hydroxyphenyl)piperazin-1-yl)ethanone (1) in the presence of 4-hydroxycoumarin and 4-hydroxy-6-methylcoumarin (2a,b). Electrogenerated p-quinone imine, participated in Michael type reaction with 2a,b and after hydrolysis reaction is converted to the corresponding coumarin derivatives This method provides a 1-pot procedure for the synthesis of new coumarin derivatives of potential biol. significance.

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Oxazolidine – Wikipedia,
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Kim, Tae Y.; Koo, Kwon M.; Yun, Gayeong; Kim, Yangsoo published the article 《Chemiresistor sensor using elastomer-functionalized carbon nanotube nanocomposites for the detection of gasoline spills》. Keywords: electrode sensor natural rubber carbon nanotube polyisoprene.They researched the compound: Cupric bromide( cas:7789-45-9 ).Recommanded Product: Cupric bromide. 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:7789-45-9) here.

Two types of multi-walled carbon nanotube (MWNT)-based elastomer nanocomposites are used as a sensor material for the detection of gasoline spills by applying the interdigitated electrode (IDE) device. MWNT-g-polyisoprene (PI) and Si-MWNT/natural rubber (NR) are prepared by applying “”grafting-from”” and “”grafting-to”” process, resp. When compared based on the identical condition of gasoline sensing test, the maximum response value to the exposure of gasoline is 17.5 for MWNT-g-PI sensor and 12.9 for Si-MWNT/NR sensor, which reach the maximum in less than 3 min. The MWNT-g-PI sensor selectively detects gasoline, and its response is completely reversible. It shows that the longer chain length of PI brings about the larger response of MWNT-g-PI sensor to gasoline. The sensitivity of MWNT-g-PI sensor highly depends on both how much gasoline is exposed to the sensor and what bias voltage is applied to the IDE device. The IDE sensor using MWNT-g-PI nanocomposites effectively detects gasoline spills.

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Reference:
Oxazolidine – 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.Kamata, Ryo; Nakajima, Daisuke; Shiraishi, Fujio researched the compound: 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone( cas:67914-60-7 ).Related Products of 67914-60-7.They published the article 《Agonistic effects of diverse xenobiotics on the constitutive androstane receptor as detected in a recombinant yeast-cell assay》 about this compound( cas:67914-60-7 ) in Toxicology In Vitro. Keywords: xenobiotic constitutive androstane receptor; Alkyl phenol; Bisphenol; Constitutive androstane receptor; Organochlorine; Recombinant yeast; Styrene dimer. We’ll tell you more about this compound (cas:67914-60-7).

The constitutive androstane receptor (CAR) is a nuclear receptor and transcription factor regulating proteins involved in xenobiotic metabolism Agonist activation of the CAR can trigger metabolic activation and toxification as well as detoxification and clearance; accordingly, xenobiotic substances acting as CAR ligands may pose a threat to human and animal health. The authors used yeast cells transduced with the human CAR and the response pathway to measure the CAR-agonistic activities of 549 synthetic or natural compounds: 216 of the tested compounds exhibited CAR-agonistic effects. Eighty-four percent of CAR-activating compounds were aromatic compounds, and >65% of these active compounds were aromatic hydrocarbons, bisphenols, monoalkyl phenols, phthalates, styrene dimers, di-Ph ethers, organochlorines, and organophosphates. The ten most potent compounds were 4-tert-octylphenol (4tOP; reference substance), 4-nonylphenol, diethylstilbestrol, benzyl Bu phthalate, 2-(4-hydroxyphenyl)-2,4,4-trimethylchroman, o,p’-DDT, methoxychlor, di-Pr phthalate, hexestrol, and octachlorostyrene. The activities of these nine non-reference compounds exceeded 10% of the 4tOP activity. Anal. of para-monoalkyl phenols suggests that branching of the alkyl group and chlorination at the ortho position raises potency. This study provides critical information for identifying the potential of CAR-mediated toxic hazards and for understanding the relevant mechanism.

Although many compounds look similar to this compound(67914-60-7)Related Products of 67914-60-7, numerous studies have shown that this compound(SMILES:CC(N1CCN(C2=CC=C(O)C=C2)CC1)=O), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

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Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

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 Crystal structure and semiconductor properties of copper(II) complex incorporating chiral (R)-(+)-α-Ethylbenzylammonium cations:[(R)-C9H14N]3[CuBr4].Br., published in 2022-01-31, which mentions a compound: 7789-45-9, Name is Cupric bromide, Molecular Br2Cu, Safety of Cupric bromide.

The mol. organic-inorganic hybrid halometallate [(R)-C9H14N]3[CuBr4].Br was synthesized by a slow evaporation method. The single-crystal x-ray diffraction experiment evidences that [(R)-C9H14N]3[CuBr4].Br crystallizes in the monoclinic system with the noncentrosym. space group P21 at T = 150K. The compound displays a zero-dimensional (0D) structure which consists in 3 chiral [(R)-C9H14N]+ cations, 1 anionic [CuBr4]2-, and free Br- ion. The Cu(II) has an intermediate geometry between regular tetrahedron (Td) and square planar (D4h). In the crystal structure, the cations and anions are arranged in alternating stacks which are interconnected via H bonding contacts N-H···Br. This hybrid compound presents good thermal stability up to 370 K. The DSC and elec. measurements show that no phase transition occurs in the compound over the temperature range 223-423 K. Optical absorption measurements suggest that [(R)-C9H14N]3[CuBr4].Br has a narrow direct optical band gap (Eg) of ∼2.15 eV which makes it a promising material in optoelectronic devices.

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Oxazolidine – Wikipedia,
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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, Synthesis called Nickel-Catalyzed Hydrodeoxygenation of Aryl Sulfamates with Alcohols as Mild Reducing Agents, Author is Mastuo, Kasumi; Kuriyama, Masami; Yamamoto, Kosuke; Demizu, Yosuke; Nishida, Koyo; Onomura, Osamu, which mentions a compound: 67914-60-7, SMILESS is CC(N1CCN(C2=CC=C(O)C=C2)CC1)=O, Molecular C12H16N2O2, Reference of 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone.

The nickel-catalyzed hydrodeoxygenation of aryl sulfamates ROS(O)2R1 [R = 2-propanoylbenzen-1-yl, 1-ethyl-1H-indol-4-yl, 4-(4-acetylpiperazin-1-yl)benzen-1-yl, etc.; R1 = dimethylaminyl, piperidin-1-yl, bis(propan-2-yl)aminyl, etc.] has been developed with alcs. as mild reductants. A variety of functional groups and heterocycles were tolerated in this reaction system to give the desired products RH in high yields. In addition, the gram-scale process and stepwise cine-substitution were also achieved with high efficiency.

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Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

Reference of 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone. 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: 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone, is researched, Molecular C12H16N2O2, CAS is 67914-60-7, about Simple one-pot aqueous synthesis of AuPd alloy nanocrystals/reduced graphene oxide as highly efficient and stable electrocatalyst for oxygen reduction and hydrogen evolution reactions. Author is Lin, Xiao-Xiao; Zhang, Xiao-Fang; Wang, Ai-Jun; Fang, Ke-Ming; Yuan, Junhua; Feng, Jiu-Ju.

Herein, the authors develop a simple 1-pot aqueous method to prepare AuPd alloy nanocrystals on reduced graphene oxide (AuPd NCs/rGO), by using 1-acetyl-4-(p-hydroxyphenyl) piperazine (AHPP) as the reductant, stabilizing agent and structure-director, without any other additives (e.g., seed, surfactant or polymer). The product is mainly characterized by TEM, XPS, x-ray diffraction and TGA. The obtained AuPd NCs/rGO displays enlarged electrochem. active surface area and superior catalytic performances toward O reduction reaction (ORR) and H evolution reaction (HER) relative to Pt/C, Pd/C, Pd/rGO and Au/rGO catalysts, showing promising applications in energy storage and conversion.

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Li, Mian; Li, Xinliang; Qin, Guifang; Luo, Kan; Lu, Jun; Li, Youbing; Liang, Guojin; Huang, Zhaodong; Zhou, Jie; Hultman, Lars; Eklund, Per; Persson, Per O. A.; Du, Shiyu; Chai, Zhifang; Zhi, Chunyi; Huang, Qing published the article 《Halogenated Ti3C2 MXenes with Electrochemically Active Terminals for High-Performance Zinc Ion Batteries》. Keywords: halogenated titanium carbide mxene zinc ion battery; MXene; electrochemical property; halogen; terminal; zinc ion batteries.They researched the compound: Cupric bromide( cas:7789-45-9 ).Related Products of 7789-45-9. 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:7789-45-9) here.

The class of two-dimensional metal carbides and nitrides known as MXenes offer a distinct manner of property tailoring for a wide range of applications. The ability to tune the surface chem. for expanding the property space of MXenes is thus an important topic, although exptl. exploration of surface terminals remains a challenge. Here, we synthesized Ti3C2 MXene with unitary, binary, and ternary halogen terminals, e.g., -Cl, -Br, -I, -BrI, and -ClBrI, to investigate the effect of surface chem. on the properties of MXenes. The electrochem. activity of Br and I elements results in the extraordinary electrochem. performance of the MXenes as cathodes for aqueous zinc ion batteries. The -Br- and -I-containing MXenes, e.g., Ti3C2Br2 and Ti3C2I2, exhibit distinct discharge platforms with considerable capacities of 97.6 and 135 mAh·g-1. Ti3C2(BrI) and Ti3C2(ClBrI) exhibit dual discharge platforms with capacities of 117.2 and 106.7 mAh·g-1. In contrast, the previously discovered MXenes Ti3C2Cl2 and Ti3C2(OF) exhibit no discharge platforms and only ~50% of capacities and energy densities of Ti3C2Br2. These results emphasize the effectiveness of the Lewis-acidic-melt etching route for tuning the surface chem. of MXenes and also show promise for expanding the MXene family toward various applications.

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Formula: C12H16N2O2. 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: 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone, is researched, Molecular C12H16N2O2, CAS is 67914-60-7, about Indole chalcones: Design, synthesis, in vitro and in silico evaluation against Mycobacterium tuberculosis.

Indole chalcones were designed and synthesized as a promising set of compounds against H37Rv strain of Mycobacterium tuberculosis. Within this library of compounds, (E)-1-(furan-3-yl)-3-(1H-indol-3-yl)prop-2-en-1-one (18), (E)-3-(1H-indol-3-yl)-1-(thiophen-2-yl)prop-2-en-1-one (20) and (E)-2-((1H-indol-2-yl)methylene)cyclopentan-1-one (24) displayed high anti-tubercular activity at 50 μg/mL with MIC values of 210, 197 and 236 μM resp. The in-silico studies revealed that compound 18 exhibit binding modes similar to FAS-II inhibitors like INH or Thiolactomycin against KasA protein. Cytotoxicity assay results suggest that the compounds 18, 20 and 24 are non-cytotoxic to human megakaryocytes and murine B cells.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Cupric bromide( cas:7789-45-9 ) is researched.Name: Cupric bromide.Czompoly, Otto; Borcsok, Endre; Groma, Veronika; Pollastri, Simone; Osan, Janos published the article 《Characterization of unique aerosol pollution episodes in urban areas using TXRF and TXRF-XANES》 about this compound( cas:7789-45-9 ) in Atmospheric Pollution Research. Keywords: aerosol urban air pollution monitoring X ray fluorescence. Let’s learn more about this compound (cas:7789-45-9).

Identifying sources of unique, short-time aerosol pollution episodes in urban areas is a difficult task since they could last only for a couple of hours. With the combination of size-fractioned sampling with May-type cascade impactor and total-reflection X-ray fluorescence (TXRF) in addition to X-ray absorption near-edge structure spectroscopy various sources could be identified in samples collected in Budapest (Hungary) and Cassino (Italy). Using short-time (1-4 h), size-fractionated (70 nm up to 10μm into 7 stages) sampling method, TXRF is capable of detecting transition metals in the order of 0.1 ng/m3. The present study discusses pollution episodes with Cu and Br concentrations in the range of 1-40 ng/m3. The contribution of both exhaust and non-exhaust type traffic-related emission sources were found to be dominant in the Cu species. Wear products of brake system were identified in coarse particles in addition to resuspension of roadside dust. The ratio of organic/inorganic Br could be determined for a pollution episode with elevated Br concentration

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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem