Category: benzodioxans

Product Details of 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 Boosting Photocatalytic Activities for Organic Transformations through Merging Photocatalyst and Transition-Metal Catalyst in Flexible Polymers. Author is Pan, Yao; Zhang, Nan; Liu, Chun-Hua; Fan, Shilu; Guo, Song; Zhang, Zhi-Ming; Zhu, Yuan-Yuan.

The merger of photocatalysis and transition-metal catalysis is of particular interest to develop useful and challenging synthetic methodologies. The catalytic activities of conventional dual-catalytic systems, however, are limited by the low synergistic efficiency between discrete catalytic centers due to their long average distance in solution Herein we carefully decorated Ir(III) photosensitizers and Ni(II) transition-metal catalyst into flexible polymers to afford two polymer-supported dual catalysts (P1-Ni and P2-Ni). These polyelectrolyte-type metallopolymers assembled into spherical polymer particles in some polar solvents. Their unique mol. and assembled structure contributed to shortening the distance between catalytic centers and increasing the local catalysts′ concentration within the catalyst, thereby greatly facilitating their electron, energy, and organic radical transfers during the catalytic cycles. The enhanced energy interaction and matched redox potential between two catalytic centers within the polymer were confirmed by steady- and transient-state luminescent spectra and cyclic voltammetry. These features enable them in catalyzing challenging organic transformations that involve efficiently incorporated photocatalytic and transition-metal catalytic cycles. We demonstrated that these two catalysts were highly effective in catalyzing C-S cross-coupling, C-O functionalized, C-N cross-coupling, and C-C cross-coupling reactions with broad substrate scopes and low catalyst loadings with turnover numbers of ~3100, ~1500, ~1400, and ~500, resp. This work provides a general methodol. to merge photosensitizer and transition-metal catalyst in a flexible polymer for significantly boosting the catalytic activity.

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

SDS of cas: 1762-34-1. 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 Stable Radical Cation-Containing Covalent Organic Frameworks Exhibiting Remarkable Structure-Enhanced Photothermal Conversion. Author is Mi, Zhen; Yang, Peng; Wang, Rong; Unruangsri, Junjuda; Yang, Wuli; Wang, Changchun; Guo, Jia.

The production of a radical cation-containing covalent organic framework (COF) has been accomplished by sequential in situ reactions, quaternization, and one-electron reduction of the 2,2′-bipyridine-based COFs. The acid-catalyzed COF formation enables the cis configuration of 2,2′-bipyridyl moieties in the structure, of which the stability arises from the eclipsed stacking of the two-dimensional layered structure. The postfunctionalization generates cyclic alkylated diquats as the sole products from the controlled quaternization. The reduction of diquat cations on the COF skeletons results in a large number of radical cations, which delocalize and uniaxially stack on top of one another by virtue of interlayered π-electronic couplings. The absorption of the near-IR (NIR) region exhibited by the cationic radical COF is remarkably high owing to the intercharge transfer across the π-coupling interlayers. Also, the long-range array of extended and planar frameworks in such a COF leads to the extra stability of the radical cations against external stresses. The structure-enhanced performance of the COF material is witnessed with photothermal conversion efficiencies of as high as 63.8 and 55.2% when exposed to 808 and 1064 nm lasers, resp. Further PEG modification on such a COF allows photoacoustic imaging and photothermal therapy in vivo under NIR light illumination to be manifested.

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

Synthetic Route of C12H12N2. 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 Structure analysis and biological functionalities of a nickel(II) complex and its sonochemically synthesized nano form: in vitro anti-proliferation, DNA binding, antibacterial and molecular docking study. Author is Kondori, Tahere; Akbarzadeh-T, Niloufar; Ghaznavi, Habib; Karimi, Zeinab; Sheervalilou, Roghayeh; Dusek, Michal; Eigner, Vaclav; Shahraki, Omolbanin.

A compound of {[Ni(5,5′-Dimethyl-2,2′-bipyridine)3](SCN)2}2(a) was synthesized and characterized by FTIR, UV-visible spectroscopy, elemental anal., luminescence and x-ray crystallog. The single crystals were obtained by slow crystallization from a methanol solution The complex is composed of nickel cation chelated by three neutral bipyridine ligands and two (SCN-) ions outside the coordination sphere. The nano form of the synthesized complex (b) was prepared by a sonochem. process and confirmed with XRD, SEM and FTIR. The average size of the particles was 37 nm from SEM. Thermodn. parameters (ΔH°, ΔS° and ΔG°) calculated from FS-DNA interaction of complexes showed that hydrogen bonding and van der Waals interactions have an essential function in the interaction of DNA-Ni(II) complex, and the interaction mode is groove binding. Viscosity measurement illustrated that relative viscosity of DNA remained unchanged with the adding concentrations of complexes. CD spectra showed that the structure of DNA was changed. The antibacterial properties were investigated in vitro against standard Gram-pos. and Gram-neg. bacterial strains. The results of antibacterial tests showed that (a) was a stronger antibacterial agent than the free ligand, and that the antibacterial effect of (b) was stronger than the one of (a). The cytotoxicity activity experiments against MCF-7, KB and A549 cells revealed low to moderate antiproliferative activity of the complex (b) against cancer cells. The mol. docking results exhibited groove mode of binding, confirming previously obtained data from spectroscopy, viscometry and CD.

If you want to learn more about this compound(5,5′-Dimethyl-2,2′-bipyridine)Synthetic Route of C12H12N2, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(1762-34-1).

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

Electric Literature of C12H12N2. 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: 5,5′-Dimethyl-2,2′-bipyridine, is researched, Molecular C12H12N2, CAS is 1762-34-1, about D/L-mandelic acid-based three new Pb(II) coordination polymers: Influence of temperature and 5,5′-dimethyl-2,2′-dipyridyl ancillary ligand on constructuring enantiomeric coordination polymers.

Three new Pb(II) coordination polymers, namely [Pb2(mand)2]n (1), {[Pb(L-Hmand)(NO3)(5,5′-DM-2,2′-bipy)]·2H2O}n (2-L), {[Pb(D-Hmand)(NO3)(5,5′-DM-2,2′-bipy)]·2H2O}n (2-D) (H2mand = D/L-mandelic acid, 5,5′-DM-2,2′-bipy = 5,5′-dimethyl-2,2′-bipyridyl), have been prepared Their structures have been determined by single-crystal X-ray diffraction analyses and further characterized by elemental analyses, powder X-ray diffraction and thermogravimetric analyses. Complex 1 crystallizes in the triclinic system with space group P-1, and displays a 2D layer structure. Complexes 2-L and 2-D are pairs of enantiomers. They crystallize in the same chiral space group P212121 and feature a 1D chain structure. The influence of the temperature and steric-hindrance of 5,5′-dimethyl-2,2′-dipyridyl mols. on constructing enantiomeric Pb(II) coordination polymers based on chiral mandelic acid ligands have been demonstrated. In addition, the CD (CD) spectroscopy of 2-L and 2-D exhibit obvious pos. or neg. Cotton effects indicating their homochirality. The luminescent properties of 1, 2-L and 2-D in the solid state have also been investigated.

If you want to learn more about this compound(5,5′-Dimethyl-2,2′-bipyridine)Electric Literature of C12H12N2, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(1762-34-1).

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

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 5,5′-Dimethyl-2,2′-bipyridine(SMILESS: CC1=CN=C(C=C1)C1=NC=C(C)C=C1,cas:1762-34-1) is researched.Formula: C4H6Br2N2S. The article 《Construction of lanthanide complexes based on 3,4-dichlorobenzoic acid and 5,5′-dimethyl-2,2′-bipyridine: Supramolecular structures, thermodynamic properties and luminescent behaviors》 in relation to this compound, is published in Polyhedron. Let’s take a look at the latest research on this compound (cas:1762-34-1).

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).

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

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 5,5′-Dimethyl-2,2′-bipyridine( cas:1762-34-1 ) is researched.Product Details of 1762-34-1.Li, Han; Sheng, Jie; Wu, Bing-Bing; Li, Yan; Wang, Xi-Sheng published the article 《Nickel-Catalyzed Cross-Coupling of Ethyl Chlorofluoroacetate with Aryl Bromides》 about this compound( cas:1762-34-1 ) in Chemistry – An Asian Journal. Keywords: nickel catalyzed cross coupling ethyl chlorofluoroacetate aryl bromide; aryl halides; cross-coupling; ethyl chlorofluoroacetate; monofluoroacetation; nickel. Let’s learn more about this compound (cas:1762-34-1).

A combinatorial nickel-catalyzed monofluoroalkylation of aryl bromides with the industrial raw regent Et chlorofluoroacetate has been developed. The two key factors to successful conversion are the combination of nickel with readily available nitrogen and phosphine ligands and the using of a mixture of different solvents. Mechanistic investigations indicated a new zinc regent might generated in situ and be involved in the reaction process.

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

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.Cedillo-Gutierrez, Erika Lorena; Hernandez-Ayala, Luis Felipe; Torres-Gutierrez, Carolina; Reina, Miguel; Flores-Alamo, Marcos; Carrero, Julio C.; Ugalde-Saldivar, Victor M.; Ruiz-Azuara, Lena researched the compound: 5,5′-Dimethyl-2,2′-bipyridine( cas:1762-34-1 ).Quality Control of 5,5′-Dimethyl-2,2′-bipyridine.They published the article 《Identification of descriptors for structure-activity relationship in ruthenium (II) mixed compounds with antiparasitic activity》 about this compound( cas:1762-34-1 ) in European Journal of Medicinal Chemistry. Keywords: preparation ruthenium pyridyldithioctane bipyridine phenanthroline salicylaldehydate chloro complex; crystal mol structure ruthenium pyridyldithioctane bipyridine phenanthroline salicylaldehydate complex; cyclic voltammetry ruthenium pyridyldithioctane bipyridine phenanthroline salicylaldehydate chloro complex; antiparasitic activity ruthenium pyridyldithioctane bipyridine phenanthroline salicylaldehydate chloro complex; Amebiasis; Amoebicidal activity; DFT calculations; Ruthenium (II) mixed complexes; SAR studies. We’ll tell you more about this compound (cas:1762-34-1).

Herein is presented the synthesis, characterization, electrochem. studies, DFT calculations and in vitro evaluation of amoebicidal activity in trophozoites of Entamoeba histolytica of twenty ruthenium(II) mixed compounds with general formulas: [Ru(pdto)(E-E)]Clx (E-E bidentate, either neutral or neg. charged ligands). For compounds under study, O-O, N-O and N-N auxiliary donor ligands demonstrate to have a crucial impact on the electronic properties and that it is possible to modulate the antiparasitic activity. Among analyzed complexes, only four present a better performance compared to typically used metronidazole drug (IC50 < 6.80μmol/L) to treat amebiasis disease. For studied compounds, structure-activity relations are strongly determined by either the redox potential (E1/2) of RuII/RuIII and calculated molar volume (V) of the complexes. Here is a brief introduction to this compound(1762-34-1)Quality Control of 5,5′-Dimethyl-2,2′-bipyridine, if you want to know about other compounds related to this compound(1762-34-1), you can read my other articles.

Reference:
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – 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 High sensitivity and selectivity of aminoantipyrine schiff base for recognition of Fe2+, published in 2019, which mentions a compound: 1762-34-1, Name is 5,5′-Dimethyl-2,2′-bipyridine, Molecular C12H12N2, Application of 1762-34-1.

An aminoantipyrine based chemosensor, (E)-1,5-dimethyl-4-((2-(4-methylpyridin-2-yl)pyridin-4-yl)methyleneamino)-2-phenyl-1,2-dihydropyrazol-3-one(L), derived from 4-aminoantipyrine and 2-(4-methylpyridin-2-yl) isonicotinaldehyde, was synthesized and the optical and metal sensing properties were investigated. The chemosensor L showed a selective colorimetric sensing ability for Fe2+ by changing colors from pale yellow to deep red in water-ethanol (9:1, V/V) medium, which facilitates the ‘naked-eye’ recognition of Fe2+ from other examined metal ions. The complex stoichiometry of Fe2+ to L(1:3,[FeL3]2+) was obtained by Job’s method. The association constant was determined to be 3.70×1021 L3·mol-3. The present results indicate that the chemosensor L could be used as a selective, sensitive colorimetric sensor for Fe2+.

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

Saifutdinov, B. R.; Buryak, A. K. 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 ).Reference 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.

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

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 5,5′-Dimethyl-2,2′-bipyridine(SMILESS: CC1=CN=C(C=C1)C1=NC=C(C)C=C1,cas:1762-34-1) is researched.Application of 73590-85-9. The article 《Unusual Photoelectrochemical Properties of Electropolymerized Films of a Triphenylamine-Containing Organic Small Molecule》 in relation to this compound, is published in Langmuir. Let’s take a look at the latest research on this compound (cas:1762-34-1).

The electropolymerized films of poly(L)n on In-Sn oxide (ITO) electrode was prepared by anodic electrooxidation of a CH2Cl2 solution of a triphenylamine-carrying organic mol. L, and were characterized/studied by UV-visible absorption spectroscopy, XPS, x-ray diffraction, electrochem. impedance spectroscopy, cyclic voltammetry and photoelectrochem. measurements. Poly(L)n films show surface-controlled TPA•+1/0 associated quasi-reversible redox and exceptionally high photocurrent generation properties. At a zero external bias potential and under 100 mW/cm2 white light irradiation, a photoelectrochem. device composed of a Poly(L)1-modified ITO as working electode, a Pt disk counter electrode and SCE reference electrode in a 0.1M Na2SO4 aqueous solution exhibited a significant cathode photocurrent d. of 2.2μA/cm2, which could be switched to be anodic and outperform most previously reported mol.-based modified ITO electrodes under similar exptl. conditions. Poly(L)n films offer a number of future perspectives ranging from organic photovoltaic to photoelectrochem. catalysis and sensing.

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