Category: 693-67-4

Buniya, Meaad K.; Mohammad, Abdulkarim-Talaq; Al-Majidi, Suaad Mohammed Husain published the article 《Antibacterial studies of some novel Schiff base compounds》. Keywords: aminomethyl benzyliminomethyl phenyl alkoxybenzoate Schiff base preparation antibacterial.They researched the compound: 1-Bromoundecane( cas:693-67-4 ).Recommanded Product: 1-Bromoundecane. 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:693-67-4) here.

A new series of 4-(((4-(aminomethyl)benzyl)imino)methyl)Ph 4-(alkyloxy)benzoates I [R = n-hexyl, n-octyl, n-tetradecyl, etc.] were synthesized and characterized. The condensation reaction of 4-formylphenyl 4-(alkyloxy)benzoate with 1,4-bis(aminomethyl)benzene yielded the title Schiff base compounds I. Titled compounds I containing a terminal alkoxy chain range from n = 6-14 carbon atoms. FT-IR and multinuclear-NMR were used to determine the structures of target compounds I. Compounds I were subjected antimicrobial studies found to have significant activity against the selected bacterial under study.

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Product Details of 693-67-4. 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-Bromoundecane, is researched, Molecular C11H23Br, CAS is 693-67-4, about Coumarin substituted symmetric diaminopyridine molecules: Synthesis, mesomorphic characterizations and DFT studies. Author is Mohammad, AbdulKarim-Talaq; Al-Mohammed, Mohammad Hameed; Srinivasa, H. T.; Ameen, Wissam Ahmed.

Synthesis and characterization of 2,6-diaminopyridine bearing sym. substituted coumarins I [R = n-pentyl, n-octyl, n-nonanyl, etc.] from a lateral side of the mols. was reported. All the mols. I were characterized by standard spectroscopic methods such as IR spectroscopy and NMR spectroscopy techniques. Mesomorphic properties were evaluated by the differential scanning calorimetry and the polarized optical microscope. The measurements showed that the lower members did not favor liquid crystal formation, while higher members were exhibiting liquid crystalline, namely nematic mesophase. The DFT computations manifest the nature of liquid crystal geometrical aspects.

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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 693-67-4, is researched, Molecular C11H23Br, about Viscosity of liquid bromoalkanes at ambient pressure from 253.15 to 423.15 K: New experimental data and their free volume theory-based interpretation, the main research direction is liquid bromoalkane viscosity ambient pressure volume based interpretation.Quality Control of 1-Bromoundecane.

This work reports new exptl. data for the viscosity of 1-bromopenthane (within the temperature range (253.15-298.15) K), 1-bromohexane ((263.15-293.15) K), 1-bromoheptane ((263.15-298.15) K), 1-bromooctane ((253.15-293.15) K), 1-bromononane ((253.15-413.15) K), 1-bromodecane ((253.15-423.15) K), 1-bromoundecane ((283.15-423.15) K), 1-bromododecane ((273.15-293.15) K), and 1-bromohexadecane ((298.15-423.15) K). Considering them in combination with previously known data for these substances, it is shown that the viscosity of this series of 1-bromoalkanes accurately satisfies the Bingham-Coombs model based on the free volume approach. The quant. connection of the excluded volume with the van der Waals volume and the packing fraction is revealed.

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 1-Bromoundecane, is researched, Molecular C11H23Br, CAS is 693-67-4, about Direct Trifluoromethoxylation without OCF3-Carrier through In Situ Generation of Fluorophosgene, the main research direction is trifluoromethoxy compound preparation; fluorophosgene aryl halide trifluoromethoxylation.Recommanded Product: 693-67-4.

The method represented the preparation of a range of trifluoromethoxylated structures R-OCF3 [R = undecanyl, (CH2)2Ph, 4-BrC6H4CH2, etc.] with no use of an intermediate trifluoromethoxylating reagent, but in situ construction and use of the F3CO anion as a salt, avoiding the presence of a useless side-product resulting from activation of an OCF3 carrier.

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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 Ionic liquid crystals: Synthesis and characterization via NMR, DSC, POM, X-ray diffraction and ionic conductivity of asymmetric viologen bistriflimide salts, published in 2021-04-15, which mentions a compound: 693-67-4, Name is 1-Bromoundecane, Molecular C11H23Br, Computed Properties of C11H23Br.

A series of asym. viologen bistriflimide salts I (R = n-pentyl, dodecyl, octadecyl, etc.) of both short and long alkyl chains were synthesized by the metathesis reaction of lithium triflimide salt with the resp. asym. viologen dibromide salts II in methanol. Their thermotropic liquid crystalline properties were determined by differential scanning calorimetry, polarizing optical microscopy and variable temperature X-ray diffraction techniques. These salts melt into highly-ordered smectic T phases i.e., crystal-to SmT transitions (Tms) at relatively low temperatures (lowest Tm at -12°C) and maintain liquid crystallinity in a wide range of temperatures (8-132°C), with excellent thermal stabilities up to 320°C as determined by thermogravimetric anal. These results differ with respect to the sym. viologen bistriflimide salts I. Ionic conductivity of these salts was also measured by dielec. impedance spectroscopy and found to be in the 10-2.5 S cm-1 range, highlighting their potential as electrolytes at room temperature

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HPLC of Formula: 693-67-4. 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: 1-Bromoundecane, is researched, Molecular C11H23Br, CAS is 693-67-4, about Direct Trifluoromethoxylation without OCF3-Carrier through In Situ Generation of Fluorophosgene. Author is Saiter, Jeremy; Guerin, Thomas; Donnard, Morgan; Panossian, Armen; Hanquet, Gilles; Leroux, Frederic R..

The method represented the preparation of a range of trifluoromethoxylated structures R-OCF3 [R = undecanyl, (CH2)2Ph, 4-BrC6H4CH2, etc.] with no use of an intermediate trifluoromethoxylating reagent, but in situ construction and use of the F3CO anion as a salt, avoiding the presence of a useless side-product resulting from activation of an OCF3 carrier.

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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.Vereshchagin, Anatoly N.; Frolov, Nikita A.; Pakina, Anna S.; Hansford, Karl A.; Egorov, Mikhail P. researched the compound: 1-Bromoundecane( cas:693-67-4 ).Safety of 1-Bromoundecane.They published the article 《Synthesis and biological evaluation of novel bispyridinium salts containing naphthalene-2,7-diylbis(oxy) spacer》 about this compound( cas:693-67-4 ) in Mendeleev Communications. Keywords: naphthalene diylbis oxy bisalkylpyridinium dibromide preparation antibacterial antifungal cytotoxicity. We’ll tell you more about this compound (cas:693-67-4).

Novel five bispyridinium salts based on a naphthalene-2,7-diylbis(oxy) spacer were synthesized. The obtained compounds showed stronger biol. activity against five strains of bacteria and two fungi as compared to modern biocides such as cetylpyridinium chloride, chlorhexidine bigluconate, 1-decyl-3-(4-(4-[(1-decylpyridin-1-ium-3-yl)oxy]phenyl)phenoxy)pyridin-1-ium dibromide, etc. used in the pharmaceutical market.

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HPLC of Formula: 693-67-4. 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: 1-Bromoundecane, is researched, Molecular C11H23Br, CAS is 693-67-4, about Synthesis of VO2/Poly(MMA-co-dMEMUABr) antimicrobial/thermochromic dual-functional coatings. Author is Liu, Yixian; Xu, William Z.; Charpentier, Paul A..

In order to address the need for window coatings that can control room temperature while being self-cleaning, this work examined a dual-functional antimicrobial/thermochromic coating. The goal was addressed by chem. polymerizing the antimicrobial agent, quaternary ammonium compound (QAC) N,N-dimethyl-N-{2-[(2-methylprop-2-enoyl)oxy]ethyl}undecane-1-aminium bromide (dMEMUABr) while using vanadium dioxide (VO2) as the thermochromic agent. The antimicrobial agent dMEMUABr, having an acrylic moiety and a long hydrocarbon tail for enhanced killing, was synthesized and characterized by NMR and FTIR spectroscopies. VO2 nanoparticles were synthesized hydrothermally and characterized by physicochem. anal. including powder XRD, DSC and SEM. Polymer coatings were obtained by polymerizing dMEMUABr with Me methacrylate (MMA) monomer under UV irradiation with the required UV curing time being investigated. Thermochromic performance of dual-functional VO2/poly(MMA-co-dMEMUABr) coating gave an IR modulation ΔTIR of 5.8% and luminous transmittance Tlum of 36.1% at 25°C. The antimicrobial testing of the dual-functional coating indicated that it could kill 90.3% of bacteria Escherichia coli (E. coli) within 24 h at a low dMEMUABr concentration (3.8 wt % relative to MMA). The zone of inhibition test proved the contact kill principle of the coating, without releasing toxic antimicrobial agents to the environment.

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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, Journal of Heterocyclic Chemistry called Synthesis and pancreatic lipase inhibitory activities of some 1,2,4-triazol-5(3)-one derivatives, Author is Ozdemir, Yusuf; Bekircan, Olcay; Baltas, Nimet; Mentese, Emre, which mentions a compound: 693-67-4, SMILESS is CCCCCCCCCCCBr, Molecular C11H23Br, Reference of 1-Bromoundecane.

In this study, starting from 4-amino-5-(4-chlorobenzyl)-2,4-dihydro-3H-1,2,4-triazole-3-one, the 4-Amino-5-(4-chlorobenzyl)-2-undecyl-2,4-dihydro-3H-1,2,4-triazol-3-one was first synthesized and this compound was converted to Schiff base derivatives I [R = 4-F, 4-Cl, 2,4-di-F, 2,4-di-Cl, 2-F-4-Cl]. In the second step of the study, the 2-[3-(4-chlorobenzyl)-5-oxo-1-undecyl-1,5-dihydro-4H-1,2,4-triazole-4-yl]-acetohydrazide, which was used as a key product in the synthesis of many heterocyclic compounds was synthesized in four steps, and then this compound was converted into methylidene acetohydrazide II [R = 4-F, 4-Cl, 2,4-di-F, 2,4-di-Cl, 2-F-4-Cl], thiosemicarbazide III [R2 = Me, Et, Ph, Bn, 4-ClC6H4], and 1,2,4-triazole-5-thione IV [R2 = Me, Et, Ph, Bn, 4-ClC6H4; R3 = H] derivatives Also, in the last part of the study, 1,2,4-triazole-5-thione derivatives were changed into Mannich bases IV [R2 = Me, Et, Ph, Bn, 4-ClC6H4; R3 = (4-phenylpiperazin-1-yl)methyl] bearing a 4-phenylpiperazine ring. These new compounds I, II, III and IV were tested with regard to pancreatic lipase (PL) inhibition activity, and compound I [R = 4-Cl, 2,4-di-Cl], II [R = 2,4-di-Cl], III [R2 = Ph] and IV [R2 = Ph; R3 = H] showed a considerable anti-lipase activity at various concentrations The activity of compounds II [R = 4-Cl] (IC50 = 1.45 ± 0.12μM) was the highest in terms of IC50, comparable to that of orlistat, a well-known PL inhibitor used as an antiobesity drug.

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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 693-67-4, is researched, Molecular C11H23Br, about Dibromogallates as a new building block for controlling pi-stacking, network formation and mirror symmetry breaking, the main research direction is dibromogallate liquid crystalline phase transition lattice parameter.Application In Synthesis of 1-Bromoundecane.

Achiral multi-chain (polycatenar) compounds based on the 2,7-di-Ph substituted [1]benzothieno[3,2-b]benzothiophene (BTBT) unit and a 2,6-dibromo-3,4,5-trialkoxybenzoate end group lead to materials forming bicontinuous cubic liquid crystalline phases with helical network structures over wide temperature ranges.

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