Tag: M.W:100-200

Synthetic Route of C10H24N2. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: N1,N1,N6,N6-Tetramethylhexane-1,6-diamine, is researched, Molecular C10H24N2, CAS is 111-18-2, about Bolaform surfactant-directed synthesis of TS-1 zeolite nanosheets for catalytic epoxidation of bulky cyclic olefins. Author is Li, Na; Wang, Manyun; You, Qing; Bi, Chenyao; Chen, Huiyong; Liu, Baoyu; Sun, Ming; Hao, Qingqing; Zhang, Jianbo; Ma, Xiaoxun.

Hierarchical titanium silicalite-1 nanosheets (HTS-1) were hydrothermally synthesized by using a bolaform surfactant [C6H13-N+(CH3)2-C6H12-N+(CH3)2-(CH2)12-O-(p-C6H4)2-O-(CH2)12-N+(CH3)2-C6H12-N+(CH3)2-C6H13] [OH-]4 as the structure-directing agent. The resultant zeolite particles possessed not only a superior interlayer stability but also a unique house-of-cards-like structure by the 90° rotational boundary connectivity of TS-1 nanosheets directed by the π-π stacking interaction from the biphenyl group in the bolaform surfactant as well as content controllability of coordinated Ti species in the zeolite framework. The obtained HTS-1 samples were used as catalysts for the epoxidation of bulky cyclic olefins (cyclohexene and cyclooctene) and exhibited improved performance and superior recyclability in comparison with the conventional solely microporous TS-1 (CTS-1) catalyst as well as the mesoporous TS-1 (MTS-1) catalyst directed by the com. organosilane surfactant TPOAC, due to their exoteric interlayered mesopores and enlarged external surface areas providing more accessible Ti active sites for the bulky mol. reactants. Moreover, the optimized Ti content for the HTS-1 catalysts was proposed by fully taking into account the conversion and turnover frequency (TOF) values. In addition, the recyclability and stability of the HTS-1 catalysts in the epoxidation reaction and the post fluoride treatment to enhance their hydrophobicity as well as epoxidation activity were further discussed.

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Thiazole | C3H3NS – PubChem,
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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 2,6-Dimethyl-3,5-heptanedione, is researched, Molecular C9H16O2, CAS is 18362-64-6, about A Study on the Development of Chemical Vapor Deposition Precursors. 4. Syntheses and Characterization of New N-Alkoxo-β-ketoiminate Complexes of Niobium and Tantalum, the main research direction is ethoxide niobium tantalum alkoxoketoiminate complex preparation CVD precursor; thermal decomposition stability niobium tantalum ethoxide alkoxoketoiminate; tantalum oxide film preparation ethoxide alkoxoketoiminate complex precursor; niobium oxide film preparation ethoxide alkoxoketoiminate complex precursor; ketoiminate alkoxo niobium tantalum ethoxide complex preparation CVD precursor.Category: thiazole.

Partial replacement of ethoxide ligands with N-alkoxo-β-ketoiminates in the tantalum or niobium ethoxides resulted in M(N-alkoxo-β-ketoiminate)(OEt)3 (M = Ta and Nb) complexes. Most of these complexes are liquid and showed enhanced thermal and chem. stability, especially toward moisture. These complexes have octahedral geometry with a meridional N-alkoxo-β-ketoiminate ligand and showed fluxional behaviors. All of these precursors, especially the ones with Me groups on both the N-alkoxo and β-ketoiminate backbones, demonstrate considerably higher deposition rates than M2(OEt)10 (M = Ta and Nb), one of the most popular precursors for Ta2O5 and Nb2O5 films. TGA experiments showed that successive decomposition of ethoxide ligands is followed by decomposition of N-alkoxo-β-ketoiminate in the pyrolysis process. Introduction of a Me group onto the N-hydroxyethyl backbone enhanced the thermal stability at lower temperatures and the pyrolysis rate at higher temperatures X-ray diffraction patterns indicate that the deposited films are not crystallized until the substrate temperature goes over 650°. Well-crystallized longish grains were formed in the Ta2O5 film deposited at 700°, but it was found from the depth profile spectra by Auger electron spectroscopy (AES) that the nitrogen and carbon impurities are 2.3% and 4.2%, resp., for the Ta2O5 film deposited at 550°. Heat treatment at 700° in oxygen removed the nitrogen impurity in this Ta2O5 completely, and the residual carbon is negligible from the AES and XPS results.

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Synthetic Route of C10H24N2. 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: N1,N1,N6,N6-Tetramethylhexane-1,6-diamine, is researched, Molecular C10H24N2, CAS is 111-18-2, about Fabrication of Cross-Linked Anion Exchange Membranes Using a Pillar[5]arene Bearing Multiple Alkyl Bromide Head Groups as Cross-Linker. Author is Peng, Jinwu; Liang, Minhui; Cao, Kaiyue; Liu, Zhenchao; Wang, Peng; Hu, Wei; Jiang, Zhenhua; Liu, Baijun.

A pillararene-based macrocycle with up to 10 flexible chains bearing alkyl bromide head groups is synthesized and investigated for the first time as a multiarm cross-linker for tertiary-amine functionalized polyethersulfone. Different from any previously reported cross-linker, this has a unique pillar-shaped structure and abundant reactive sites to form multifunctional clusters in the conductive domain. This advantage enables crosslinking to occur smoothly at the membrane-casting stage and endows the cross-linked membranes with improved performance. The cross-linked anion exchange membranes are found to possess high conductivities and excellent alk. stability. With a controllable swelling ratio of 19.5%, the maximum conductivity of a membrane can reach 155 mS cm-1 at 80°C. Due to its local high-d. cross-linked structure, a delay in degradation kinetics under alk. condition can be observed, and the loss of conductivity is <10% after 400 h of alk. stability test at 80°C. There are many compounds similar to this compound(111-18-2)Synthetic Route of C10H24N2. if you want to know more, you can check out my other articles. I hope it will help you，maybe you’ll find some useful information.

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SDS of cas: 18362-64-6. 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: 2,6-Dimethyl-3,5-heptanedione, is researched, Molecular C9H16O2, CAS is 18362-64-6, about Thermodynamic functions of enolization of aliphatic β-diketone. Author is Calmon, Jean P..

The following data were determined (β-diketone, % enol form at 33°C. equilibrium constant for the keto-enol tautomer at 33°C., enthalpy of enolization -ΔH in kcal./mole, and entropy of enolization -ΔS at 33°C. in cal./mole/°K.): Ac2CH2, 79.5, 3.89, 2.8, 6.45; AcCH2COEt, 80.5, 4.09, 3.0, 7.0; iso-PrCOCH2Ac, 89, 7.88, 3.2, 6.35; iso-BuCOCH2Ac, 90, 8.87, 3.3, 6.45; tert-BuCOCH2Ac, 93.5, 14.30, 3.9, 7.45; tert-BuCH2COCH2Ac, 94, 15.65, 3.45, 5.8; iso-BuCOCH2COEt, 90.5, 9.81, 3.7, 7.55; iso-BuCOCH2COPr, 92, 11.40, 3.4, 6.3; iso-BuCOCH2COPr-iso, 95, 20.30, 4.45, 8.55; (iso-BuCO)2CH2, 93.5, 14.60, 3.3, 5.8; (iso-PrCO)2CH2, 94, 15.95, 3.7, 6.6; tert-BuCOCH2COPr-iso, 96, 23.15, 4.65, 8.95; (tert-BuCO)2CH2, 98.5, 58.9, 4.9, 8.25. The data were determined from the N.M.R. spectra of the β-diketone. The variations in the entropies are attributed to resonance stabilization of the enol form and to the steric effects of the substituents which destabilize the keto form. The strong neg. entropy is explained by a chelated enolic structure which is more rigid than the diketo form.

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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: 18362-64-6, is researched, SMILESS is CC(C)C(CC(C(C)C)=O)=O, Molecular C9H16O2Journal, Bulletin of the Institute for Chemical Research, Kyoto University called Gas chromatography of diisobutyrylmethane metal chelates, Author is Shigematsu, Tsunenobu; Matsui, Masakazu; Utsunomiya, Kei, the main research direction is gas chromatog metal chelates; chromatog gas metal chelates; metal chelates gas chromatog; chelates metal gas chromatog; diisobutyrylmethane chelates chromatog; cobalt diisobutyrylmethane chelates; nickel diisobutyrylmethane chelates; beryllium diisobutyrylmethane chelates; copper diisobutyrylmethane chelates; aluminum diisobutyrylmethane chelates; chromium diisobutyrylmethane chelates; iron diisobutyrylmethane chelates; lutetium diisobutyrylmethane chelates; erbium diisobutyrylmethane chelates; dysprosium diisobutyrylmethane chelates; gadolinium diisobutyrylmethane chelates; europium diisobutyrylmethane chelates; samarium diisobutyrylmethane chelates; neodymium diisobutyrylmethane chelates.Computed Properties of C9H16O2.

Diisobutyrylmethane (2,6-dimethyl-3,5-heptanedione) (HL) was prepared by a Claisen condensation. ML2, where M and m.p. are Be 79.5°, Co(II) 125.5°, Ni(II) 154.7°, Cu(II) 126.5°; ML3, where M and m.p. are Al 125.0°, Cr(III) 114.0°, Fe(III) 95.0°, Co(III) 140.0°; and ML2OH, where M and m.p. are Lu 218.5-220.2°, Er 232.5-234.0, Dy 278.0-280.5°, Gd 290.2-292.0°, Eu 294.0-295.5°, Sm 294.8-295.7°, Nd 294.5-295.5°, were prepared for gas chromatographic studies. ML2 and ML3 were prepared by mixing buffered 5% metal ion solution with HL in EtOH, except that CoL3 was prepared by adding 10% H2O2 to the 5% Co(II) mixture with HL in EtOH and refluxing 1 hr. ML2OH were prepared by the method of G. S. Hammond, et al. (1963). Gas chromatog. was carried out on a 5 weight % high-vacuum silicone grease/Chromasorb W column, with He carrier gas and a thermal conductivity detector. The chelates were characterized also by elemental anal., ir spectroscopy, and thermogravimetric anal. (TGA). Good gas chromatograms were obtained for ML2 and ML3, except for CoL3, which was partially decomposed TGA curves of ML2 and ML3 gave the decreasing order of volatility as Be > Fe > Cu > Co(II) > Co(III) > Cr(III) > Al > Ni, which corresponded with the order of retention times, except that Fe and Al were interchanged. ML2OH were not eluted at 200-70°, except when M = Lu and Er, in which case the chelates were eluted at column temperatures of 200-50°. Apparently, HL is generally unsuitable for the gas chromatog. of rare earth metals.

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Thiazole | C3H3NS – PubChem,
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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: 18362-64-6, is researched, Molecular C9H16O2, about Steric crowding effect of 1,3-diketonates on the structures and the solution behaviors of nickel(II) mixed-ligand complexes, the main research direction is nickel diketonate bulky ligand diamine complex preparation structure; ligand strength nickel diketonate bulky ligand diamine complex; stability nickel diketonate bulky ligand diamine complex; crystal structure nickel diketonate bulky ligand diamine complex; mol structure nickel diketonate bulky ligand diamine complex.Recommanded Product: 18362-64-6.

Seven nickel(II) mixed-ligand diketonate complexes, containing bulky substituents, [Ni(RCOCHCOR)(diamine)X] and [Ni(RCOCHCOR)(diamine)][Y] [R = Me, Et, iPr; amine = Me2NCH2CH2NMe2 (tmen), 1,1′-(1,2-ethanediyl)bis(piperidine) (dipe); X = NO3, Y = BPh4, BF4] were prepared The crystal structures were analyzed: nitrate complexes have a six-coordinated octahedral structure with a bidentate-coordinated NO3-, and each tetraphenylborate complex has a four-coordinated square-planar structure. The ligand field strength of [Ni(RCOCHCOR)(diamine)]BPh4 in the solid state increases in the order: [Ni(iPrCOCHCOiPr)(dipe)]BPh4 < [Ni(EtCOCHCOEt)(dipe)]BPh4 < [Ni(iPrCOCHCOiPr)(tmen)]BPh4 = [Ni(EtCOCHCOEt)(tmen)]BPh4. In solution, the change of the color depending on the donor/acceptor ability of the solvent, i.e., solvatochromism was observed When DMSO was added to a solution of [Ni(RCOCHCOR)(diamine)]BPh4 in inert 1,2-dichloroethane, the adduct formation constants are in the order: [Ni(iPrCOCHCOiPr)(dipe)]BPh4 < [Ni(EtCOCHCOEt)(dipe)]BPh4 << [Ni(iPrCOCHCOiPr)(tmen)]BPh4 = [Ni(EtCOCHCOEt)(tmen)]BPh4, reflecting the difference in steric hindrance of the ligands rather than the difference in ligand field strength. The steric crowding effect of 1,3-diketonates was observed in the solid state and solution when bulky dipe is used as diamine. There are many compounds similar to this compound(18362-64-6)Recommanded Product: 18362-64-6. if you want to know more, you can check out my other articles. I hope it will help you，maybe you’ll find some useful information.

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Thiazole | C3H3NS – PubChem,
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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: 18362-64-6, is researched, SMILESS is CC(C)C(CC(C(C)C)=O)=O, Molecular C9H16O2Journal, Journal of Computational Electronics called First-principles study of 2,6-dimethyl-3,5-heptanedione: a β-diketone molecular switch induced by hydrogen transfer, Author is Sayyar, Zahra; Vakili, Mohammad; Kanaani, Ayoub; Eshghi, Hossein, the main research direction is dimethyl3 5heptanedione beta diketone mol switch induced hydrogentransfer.Recommanded Product: 18362-64-6.

In this research, using nonequilibrium green’s function integrated with d. functional theory, we investigate the electronic transport properties of a β-diketone (2,6-dimethyl-3,5-heptanedione) mol. wire induced by hydrogen transfer. The title mol. can be converted between two enol and keto forms. The electronic transmission factors, spatial spreading of mol. projected self-consistent Hamiltonian orbitals, on-off ratio, I-V characteristics, three different adsorption types (hollow, top, and bridge), the alteration of the electrode materials, Y, (Y = Au, Ag, and Pt), and HOMO-LUMO gaps relevant to these forms are thoroughly discussed. It can be concluded that due to the deformation of the title mol. (enol → keto), there is a noticeable change in conductivity As a result of this deformation, the conductivity is switched from on state (high conductivity and low resistance) to off state (low conductivity and high resistance).

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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: 1-Aminopyrrole-2-carboxamide( cas:159326-69-9 ) is researched.Category: thiazole.Chen, Yanhong; Xiang, Haoyue; Tan, Cun; Xie, Yuyuan; Yang, Chunhao published the article 《A tandem copper (II)-promoted synthesis of 2-substituted pyrrolo[2,1-f][1,2,4] triazin-4(3H)-ones》 about this compound( cas:159326-69-9 ) in Tetrahedron. Keywords: aldehyde aminopyrroleamide annulation cupric chloride catalyst; acetal aminopyrroleamide annulation cupric chloride catalyst; pyrrolotriazinone preparation. Let’s learn more about this compound (cas:159326-69-9).

Annulation of 1-amino-1H-pyrrole-2-amides with various substituted benzaldehydes, heteroaryl aldehydes, alkyl aldehydes or even acetals, promoted by cupric chloride, to synthesize 2-substituted pyrrolo[2,1-f][1,2,4]triazin-4(3H)-ones was carried out. This approach provides a useful method for constructing the privileged structure in medicinal chem. Electron-donating groups on both partners could accelerate the reaction.

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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.Hotton, Claire; Sirieix-Plenet, Juliette; Ducouret, Guylaine; Bizien, Thomas; Chenneviere, Alexis; Porcar, Lionel; Michot, Laurent; Malikova, Natalie researched the compound: N1,N1,N6,N6-Tetramethylhexane-1,6-diamine( cas:111-18-2 ).Product Details of 111-18-2.They published the article 《Organisation of clay nanoplatelets in a polyelectrolyte-based hydrogel》 about this compound( cas:111-18-2 ) in Journal of Colloid and Interface Science. Keywords: clay nanoplatelet polyelectrolyte ionene hydrogel; Clay; Hydrogel; Ionene; Polyelectrolyte; SANS; SAXS. We’ll tell you more about this compound (cas:111-18-2).

We investigate the organization of clay nanoplatelets within a hydrogel based on modified ionenes, cationic polyelectrolytes forming phys. crosslinked hydrogels induced by hydrogen bonding and π-π stacking. Combination of small angle X-ray and neutron scattering (SAXS, SANS) reveals the structure of the polyelectrolyte network as well as the organization of the clay additives. The clay-free hydrogel network features a characteristic mesh-size between 20 and 30 nm, depending on the polyelectrolyte concentration Clay nanoplatelets inside the hydrogel organize in a regular face-to-face stacking manner, with a large repeat distance, following rather closely the hydrogel mesh-size. The presence of the nanoplatelets does not modify the hydrogel mesh size. Further, the clay-compensating counterions (Na+, Ca2+ or La3+) and the clay type (montmorillonite, beidellite) both have a significant influence on nanoplatelet organization. The degree of nanoplatelet ordering in the hydrogel is very sensitive to the neg. charge location on the clay platelet (different for each clay type). Increased nanoplatelet ordering leads to an improvement of the elastic properties of the hydrogel. On the contrary, the presence of dense clay aggregates (tactoids), induced by multi-valent clay counterions, destroys the hydrogel network as seen by the reduction of the elastic modulus of the hydrogel.

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Recommanded Product: N1,N1,N6,N6-Tetramethylhexane-1,6-diamine. 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: N1,N1,N6,N6-Tetramethylhexane-1,6-diamine, is researched, Molecular C10H24N2, CAS is 111-18-2, about An improved isolation of trimyristin from Myristica fragrans as a renewable feedstock with the assistance of novel cationic gemini surfactant. Author is Yildirim, Ayhan; Ozturk, Serkan; Turkdemir, Haluk; Kolali, Atakan; Atalay, Beyza Gokcem; Kocatas, Hatice.

In the present work, surfactant-assisted convenient extraction method was developed for the isolation of trimyristin from nutmeg. Com. available monomeric surfactants and novel readily synthesized cationic dimeric surfactant were used as auxiliary chems. The improved isolation method herein, revealed that the combination of dimeric surfactant with hexane allows selective extraction (without colored polar components of nutmeg) and maximum yield of triglyceride. In addition, the developed method is more practical than existing protocols and provides higher yields of trimyristin in short period of time.

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