Category: 1762-34-1

Product Details of 1762-34-1. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 5,5′-Dimethyl-2,2′-bipyridine, is researched, Molecular C12H12N2, CAS is 1762-34-1, about Triazole-coumarin centered star-shaped polymer: Structural characterizations and electrical properties of graphene composites. Author is Biryan, Fatih.

In present study, new three-arm initiator containing coumarin group and new 4-(3-(4-methoxyphenyl)acryloyl) Ph acrylate (MPAC) was synthesized. Three-armed star-shaped polymer was obtained by polymerization using ATRP method from the chlorine ends of the initiator. The structure characterization was performed by FT-IR, 1H-NMR, 13C-NMR spectroscopy techniques. Thermal analyzes were performed by using thermogravimetry (TGA) and differential scanning calorimetry anal. (DSC) techniques in a nitrogen atm. Thermal decomposition activation energy (Ea) of star polymer was determined by the Flynn-Wall-Ozawa and Kissinger methods. The average activation energy in the range of 0.02-0.3 conversion range was determined as 115.28 kJ/mol and 152.72 kJ/mol, resp. Polymer composites were prepared by adding graphene particles in different ratios (0.5%, 1.0%, 2.0%, and 4.0% by weight) to the polymer matrix. The dielec. properties of star polymer and graphene composites were investigated in a range of 100 Hz-20 kHz frequency. Besides, the dielec. properties of the pure polymer were examined as a function of frequency at different temperatures (25°C, 40°C, 55°C, 70°C,). Furthermore, the polymer/4% graphene composite/p-Si thin-film heterojunction diode properties were investigated using current-voltage (I-V) anal. at room temperature in dark. The elec. parameters of heterojunction diode such as the rectification ratio (RR), barrier height (Φb) and ideality factor (n) were investigated. The frequency dependence of capacitance and the role of interface states were examined The results showed that chalcone substituted three-arm star polymer/4% graphene composite has a diode and capacitor characteristic.

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Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Recommanded Product: 1762-34-1. 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: 5,5′-Dimethyl-2,2′-bipyridine, is researched, Molecular C12H12N2, CAS is 1762-34-1, about Synthesis, crystal structures and biological activity of palladium(II) complexes with 1-methyl-1H-1,2,3,4-tetrazole-5-thiol and substituted 2,2′-bipyridines. Author is Rashidipour, Arezoo; Alizadeh, Robabeh; Sadeghi Mohammadi, Sanam; Tohidlou, Mohammad; Amani, Vahid; Seyfi, Sara.

Reaction of PdCl2 with 1-methyl-1H-1,2,3,4-tetrazole-5-thiol (Hmtzt) in the presence of 5,5′-dimethyl-2,2′-bipyridine (5,5′-dmbipy) and 4,4′-dimethyl-2,2′-bipyridine ligands (4,4′-dmbipy) afforded two new Pd(II) complexes, [Pd(5,5′-dmbipy)(mtzt)2] (1) and [Pd(4,4′-dmbipy)(mtzt)2] (2), resp. The two complexes were thoroughly characterized by elemental anal., UV-vis, 1H NMR, IR, luminescence spectroscopy as well as single-crystal X-ray diffraction. Single-crystal X-ray diffraction revealed that central Pd(II) ions in and are tetra-coordinated, presenting distorted and slightly distorted square planar geometry around Pd atom for and , resp. The luminescence properties of free ligands and complexes 1 and 2, in solution, were investigated. The biol. evaluation of the Pd(II) complexes showed that they exhibited anticancer activities in a dose-dependent manner against human breast cancer cell lines. Also, their in vitro interaction with DNA were analyzed through spectrophotometric, spectrofluorometric, and gel-electrophoresis which shows the intercalation mode of binding. In conclusion, these palladium complexes represent novel anticancer drug mols. for further study.

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Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

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, Polyhedron called Construction of lanthanide complexes based on 3,4-dichlorobenzoic acid and 5,5′-dimethyl-2,2′-bipyridine: Supramolecular structures, thermodynamic properties and luminescent behaviors, Author is Zhou, Meng-Xue; Ning, Ren; Hu, Jin-Yong; Zhang, Jian-Jun; Wang, Da-Qi, which mentions a compound: 1762-34-1, SMILESS is CC1=CN=C(C=C1)C1=NC=C(C)C=C1, Molecular C12H12N2, Formula: C12H12N2.

Two novel lanthanide complexes, [Ln2(3,4-DClBA)6(5,5′-DM-2,2′-bipy)2(C2H5OH)(H2O)] (Ln = Gd (1), Tb (2)); 3,4-DClBA: 3,4-dichlorobenzoate; 5,5′-DM-2,2′-bipy: 5,5′-dimethyl-2,2′-bipyridine have been hydrothermally synthesized and structurally characterized by elemental anal., IR spectrum, thermal anal. and single x-ray diffraction techniques. The binuclear complexes 1-2 are isomorphous and crystallize in the triclinic crystal system and P1̅ space group, and each metal center is eight-coordinated with distorted square antiprismatic mol. geometry. The structure of this type of complex is unique in that the solvent ethanol mol. participates in the coordination. Complexes 1-2 are stitched together via π-π stacking interactions and hydrogen bonding interactions to form the 1D, 2D supramol. structures. The thermal decomposition mechanisms of two complexes were obtained by TG-DSC/FTIR techniques. The molar heat capacities of the complexes 1 and 2 are measured by a DSC instrument over the temperature range from 255.15 to 323.15 K and thermodn. functions were calculated by fitted polynomial and thermodn. equations. The luminescence studies demonstrate that complex 2 exhibits the characteristic emission of Tb3+ ion (5D4 → 7F6-3).

There is still a lot of research devoted to this compound(SMILES：CC1=CN=C(C=C1)C1=NC=C(C)C=C1)Formula: C12H12N2, and with the development of science, more effects of this compound(1762-34-1) can be discovered.

Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

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: 1762-34-1, is researched, SMILESS is CC1=CN=C(C=C1)C1=NC=C(C)C=C1, Molecular C12H12N2Journal, Inorganica Chimica Acta called Syntheses, molecular structures, and spectroscopic properties of manganese(II)/(III) complexes with tetraphenylimidodiphosphinato and bi-pyridine or salicylaldehyde ligands, Author is Qian, Zhe; Zhang, Ying; Jia, Ai-Quan; Shi, Hua-Tian; Zhang, Qian-Feng, the main research direction is manganese tetraphenylimidodiphosphinato bipyridine salicylaldehyde complex preparation crystal structure; cyclic voltammetry manganese tetraphenylimidodiphosphinato bipyridine salicylaldehyde complex.Application In Synthesis of 5,5′-Dimethyl-2,2′-bipyridine.

Treatment of [Mn(CH3COO)2·4H2O] with two equivalent of K[N(Ph2PO)2] in the presence of one equivalent of 2,2′-bipyridine (bpy) or 5,5′-dimethyl-2,2′-bipyridine(dmbpy) in ethanol gave the mono-nuclear manganese(II) complexes [Mn{η1-O-N(Ph2PO)2}{N(Ph2PO)2}(EtOH)(bpy)] (1) and [Mn{N(Ph2PO)2}2(dmbpy)] (2), resp. Interaction of [Mn(CH3COO)2·4H2O], K[N(Ph2PO)2] and salicylaldehyde or 5-chlorosalicylaldehyde or 3,5-dibromosalicylaldehyde in the presence of triethylamine in methanol gave the bi-nuclear manganese(II) complexes [Mn2{N(Ph2PO)2}2(μ,η2-O,O’-Sal)2(MeOH)2] (3) and [Mn2{N(Ph2PO)2}2(μ,η2-O,O’-5-Cl-Sal)2(MeOH)2] (4), and a tetra-nuclear manganese(II)/(III) complex [Mn4{N(Ph2PO)2}2(μ,η2-O,O’-3,5-Br2-Sal’)2(MeOH)4(μ-OMe)2(μ3-OMe)2] (5), resp. All complexes were characterized by IR and UV spectroscopy, their mol. structures were unambiguously established by single crystal x-ray diffraction. The electrochem. properties of complexes 1-5 were also studied.

There is still a lot of research devoted to this compound(SMILES：CC1=CN=C(C=C1)C1=NC=C(C)C=C1)Application In Synthesis of 5,5′-Dimethyl-2,2′-bipyridine, and with the development of science, more effects of this compound(1762-34-1) can be discovered.

Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

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, Russian Journal of Physical Chemistry A called Thermodynamics of the Adsorption of Isomeric Dipyridyls and Their Derivatives from Water-Organic Solutions on HYPERCARB Porous Graphitic Carbon, Author is Saifutdinov, B. R.; Buryak, A. K., which mentions a compound: 1762-34-1, SMILESS is CC1=CN=C(C=C1)C1=NC=C(C)C=C1, Molecular C12H12N2, Computed Properties of C12H12N2.

High-performance liquid chromatog. is used under near-equilibrium conditions to study the adsorption of isomeric dipyridyls and their derivatives from water-acetonitrile, water-methanol, and water-isopropanol solutions onto Hypercarb graphite-like carbon material in the region of Henry’s law. It is shown that the possibility of forming strong intramol. C-H-N’-hydrogen bonds in a mol. of 2,2′-dipyridyl or its derivatives strengthens the adsorption bonding of adsorbate mols. and the surface of the graphite-like material due to stabilization of their planar conformation. Destabilizing this intramol. hydrogen bond by adding substituents in different positions of the pyridine rings enhances the specific intermol. interaction between adsorbate mols. and the solvent’s components and distorts the planar conformation of dipyridyls, weakening their retention on the Hypercarb material. Pos. adsorption from the water-organic medium on the carbon adsorbent is observed for all of the investigated dipyridyls, with the exception of 2,2′-dipyridyl-N,N’-dioxide, which is adsorbed weaker than the solvent components. Anomalous medium-property dependences are found for the thermodn. characteristics of the adsorption of dipyridyls on porous graphitic carbon, and are attributed to the predominance of adsorbate-adsorbent π-π interactions over hydrophobic ones and the resolvation of adsorbate mols. with acetonitrile in proportion to lowering the content of water in the bulk solution

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Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Biryan, Fatih published an article about the compound: 5,5′-Dimethyl-2,2′-bipyridine( cas:1762-34-1,SMILESS:CC1=CN=C(C=C1)C1=NC=C(C)C=C1 ).Quality Control of 5,5′-Dimethyl-2,2′-bipyridine. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:1762-34-1) through the article.

In present study, new three-arm initiator containing coumarin group and new 4-(3-(4-methoxyphenyl)acryloyl) Ph acrylate (MPAC) was synthesized. Three-armed star-shaped polymer was obtained by polymerization using ATRP method from the chlorine ends of the initiator. The structure characterization was performed by FT-IR, 1H-NMR, 13C-NMR spectroscopy techniques. Thermal analyzes were performed by using thermogravimetry (TGA) and differential scanning calorimetry anal. (DSC) techniques in a nitrogen atm. Thermal decomposition activation energy (Ea) of star polymer was determined by the Flynn-Wall-Ozawa and Kissinger methods. The average activation energy in the range of 0.02-0.3 conversion range was determined as 115.28 kJ/mol and 152.72 kJ/mol, resp. Polymer composites were prepared by adding graphene particles in different ratios (0.5%, 1.0%, 2.0%, and 4.0% by weight) to the polymer matrix. The dielec. properties of star polymer and graphene composites were investigated in a range of 100 Hz-20 kHz frequency. Besides, the dielec. properties of the pure polymer were examined as a function of frequency at different temperatures (25°C, 40°C, 55°C, 70°C,). Furthermore, the polymer/4% graphene composite/p-Si thin-film heterojunction diode properties were investigated using current-voltage (I-V) anal. at room temperature in dark. The elec. parameters of heterojunction diode such as the rectification ratio (RR), barrier height (Φb) and ideality factor (n) were investigated. The frequency dependence of capacitance and the role of interface states were examined The results showed that chalcone substituted three-arm star polymer/4% graphene composite has a diode and capacitor characteristic.

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Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Quality Control of 5,5′-Dimethyl-2,2′-bipyridine. 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: 5,5′-Dimethyl-2,2′-bipyridine, is researched, Molecular C12H12N2, CAS is 1762-34-1, about Group 6 Metal Complexes as Electrocatalysts of CO2 Reduction: Strong Substituent Control of the Reduction Path of [Mo(η3-allyl)(CO)2(x,x’-dimethyl-2,2′-bipyridine)(NCS)] (x = 4-6). Author is Taylor, James O.; Veenstra, Florentine L. P.; Chippindale, Ann M.; Calhorda, Maria Jose; Hartl, Frantisek.

[Mo(η3-allyl)(CO)2(x,x’-dmbipy)(NCS)] (dmbipy = dimethyl-2,2′-bipyridine; x = 4-6) were synthesized and their electrochem. reduction studied using combined cyclic voltammetry (CV) and variable-temperature spectroelectrochem. (IR/UV-visible SEC) in THF and butyronitrile (PrCN), at Au and Pt electrodes. The exptl. results, strongly supported by d. functional theory (DFT) calculations, indicate that the general cathodic path of these Group 6 organometallic complexes is closely related to that of the intensively studied class of Mn tricarbonyl α-diimine complexes, which, themselves, have recently been identified as important smart materials for catalytic CO2 reduction The di-Me substitution on the 2,2′-bipyridine ligand backbone has presented new insights into this emerging class of catalysts. For the 1st time, the 2e- reduced 5-coordinate anions [Mo(η3-allyl)(CO)2(x,x’-dmbipy)]- were directly observed with IR spectroelectrochem. (IR SEC). The role of steric and electronic effects in determining the reduction-induced reactivity was also studied. For the 6,6′-dmbipy, the primary 1e- reduced radical anions exert unusual stability, radically changing the follow-up cathodic path. The 5-coordinate anion [Mo(η3-allyl)(CO)2(6,6′-dmbipy)]- remains stable at low temperature in strongly coordinating butyronitrile and does not undergo dimerization at elevated temperature, in sharp contrast to reactive [Mo(η3-allyl)(CO)2(4,4′-dmbipy)]- that tends to dimerize in a reaction with the parent complex. The complex with the 5,5′-dmbipy ligand combines both types of reactivity. Under aprotic conditions, the different properties of [Mo(η3-allyl)(CO)2(x,x’-dmbipy)]- are also reflected in their reactivity toward CO2. Preliminary CV and IR SEC results reveal differences in the strength of CO2 coordination at the free axial position. Catalytic waves attributed to the generation of the 5-coordinate anions were observed using CV, but only a modest catalytic performance toward the production of formate was demonstrated by IR SEC. For 6,6′-dmbipy, a stronger catalytic effect was observed for the Au cathode, compared to Pt.

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Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

Application of 1762-34-1. 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: 5,5′-Dimethyl-2,2′-bipyridine, is researched, Molecular C12H12N2, CAS is 1762-34-1, about Four rare earth complexes with chlorinated carboxylic acids and bipyridine ligands: crystal structures, thermal analysis and luminescence properties. Author is Zhou, Meng-xue; Ren, Ning; Zhang, Jian-jun.

Four new complexes were successfully synthesized by solvothermal method or conventional solution method, namely [Ln2(5,5′-DM-2,2′-bipy)2 (3,4-DClBA)6 (H2O)(C2H5OH)](Ln=Sm(1), Eu(2)) and [Ln(5,5′-DM-2,2′-bipy)(3,5-DClBA)3]2 (Ln=Sm(3), Eu(4); 3,4-HDClBA=3,4-dichlorobenzoic acid, 3,5-HDClBA=3,5-dichlorobenzoic acid, 5,5′-DM-2,2′-bipy=5,5′-dimethyl-2,2′-bipyridine). Complexes 1 and 2 are isostructure and each metal center is eight-coordinated forming a distorted square antiprismatic. Complexes 1 and 2 are connected to form 2D supermol. structure by C-HCl hydrogen bonding and π-π interactions. The geometry of complex 3 is a nine coordinated distorted monocapped square antiprismatic, and the two-dimensional supramol. structure is formed by different π-π stacking interactions between mols. Thermogravimetric-IR combined technol. revealed the thermal stability and thermal decomposition mechanism of complexes 1∼4. The fluorescence and lifetime of complexes 2 and 4 were studied. The results showed that both complexes could emit the characteristic fluorescence of Eu3+ ions.

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Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

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: 1762-34-1, is researched, SMILESS is CC1=CN=C(C=C1)C1=NC=C(C)C=C1, Molecular C12H12N2Journal, ChemistrySelect called Addressing Multiple Ions Using Single Optical Probe: Multi-Color Response via Mutually Independent Sensing Pathways, Author is Dey, Nilanjan; Bhattacharjee, Subham; Bhattacharya, Santanu, the main research direction is multiple ion single optical probe sensing emission quenching.Reference of 5,5′-Dimethyl-2,2′-bipyridine.

Multiresponsive smart optical probe based on p-phenylene vinylene backbone is designed for simultaneous sensing of multiple ions, such as Cu2+, Zn2+ and F- at pH 7.4. A rapid color change from colorless to deep yellow is observed upon addition of both Cu2+ and Zn2+ ion. However, under long UV lamp, the green-colored emission of the probe is specifically quenched in the presence of Cu2+, while Zn2+ induces change in the emission color from green to yellow. On the contrary, F-, unlike Cu2+ and Zn2+, does not render any change in visible color, however, an emission quenching, similar to that of Cu2+ addition, was noticed. The binding of metal ions to the central bipyridine core diminishes the ′conformational flexibility′ and facilitates ′ligand to metal ion′ charge transfer. On the contrary, addition of fluoride triggers the cleavage of silyl ether groups and results in the photo-induced electron transfer from free hydroxyl groups to the core aromatic unit. Thus, we can detect as well as discriminate these three ions (Cu2+, Zn2+ and F-) simultaneously by comparing the resp. output signals. Further, a sustainable strategy has been developed for on-site detection of toxic ions using reusable, low-cost paper strips.

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Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Crystal structure, thermochemical and fluorescent properties of two novel binuclear lanthanide complexes with 3-chloro-4-methoxybenzoic acid and 5,5′-dimethy-2,2′-bipyridine》. Authors are Wu, Xiao-Hui; Ning, Ren; Zhang, Jian-Jun.The article about the compound:5,5′-Dimethyl-2,2′-bipyridinecas:1762-34-1,SMILESS:CC1=CN=C(C=C1)C1=NC=C(C)C=C1).HPLC of Formula: 1762-34-1. Through the article, more information about this compound (cas:1762-34-1) is conveyed.

Two novel binuclear lanthanide complexes, [Ln(3-Cl-4-MOBA)3(5,5′-DM-2,2′-bipy)]2(5,5′-DM-2,2′-bipy) (Ln=Eu(1), Gd(2)), (3-Cl-4-MOBA=3-chloro-4-methoxybenzoate; 5,5′-DM-2,2′-bipy=5,5′-dimethy-2,2′-bipyridine) have been successfully synthesized under hydrothermal conditions. The complexes are characterized by single-crystal X-ray diffraction and elemental anal. Complexes 1 and 2 are isomorphous, and each metal center is eight-coordinated with a distorted square-antiprism coordination geometry. The binuclear units are assembled into 1D, 2D and 3D supramol. structures by weak hydrogen bonds (C-H···O and C-H···Cl) and π-π stacking interactions. Thermal behavior of the complexes 1 and 2 was determined by TG/DSC-FTIR techniques. Heat capacities of the complexes are measured by a DSC instrument in the temperature range of 283.15-393.15K. Based on the heat capacities date, the thermodn. functions (HT-H298.15K) and (ST-S298.15K) were obtained. The activation energy E values of the first decomposition stage for complexes 1 and 2 were calculated by integral iso-conversional nonlinear (NL-INT) method. The fluorescence spectra and lifetime of complex 1 (Eu3+ ion) were studied in depth.

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Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem