Month: April 2022

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 Multimode Self-Oscillating Vesicle Transformers, published in 2020-09-14, which mentions a compound: 1762-34-1, Name is 5,5′-Dimethyl-2,2′-bipyridine, Molecular C12H12N2, Electric Literature of C12H12N2.

Engineering synthetic materials that mimic the complex rhythmic oscillatory behavior of living cells is a fundamental challenge in science and technol. Up to now, the reported synthetic model system still cannot compete with nature in oscillatory modes and amplitudes. Presented here is a novel alternating copolymer vesicle that exhibits drastic and multimode shape oscillations in real time, which are controlled by polymer concentrations and driven by the Belousov-Zhabotinsky oscillatory reaction, including swelling/deswelling, twisting/detwisting, stretching/shrinking, fusion/fission, and multiple division. Some of them, especially the fission oscillation, have not been observed before. In addition, the oscillation magnitude with regard to diameter is much larger than that of previously reported self-oscillating vesicles. Such a self-oscillating vesicle transformer would extend the complexity and capacity of membrane deformations in synthetic systems, approaching those of natural cells.

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

Formula: C12H12N2. 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 [Ni(5,5′-dmbpy)3]2Ag4.9I8.9·4H2O: A discrete iodoargentate with transition metal complexes. Author is Zhang, Bo; Li, Wei-An; Li, Jun; Xu, Yu-Ping; Xu, Ya-Ru; Wang, Wen-Hao; Zou, Guo-Dong.

Using the transition metal complex as templating agent, a new discrete iodoargentate compound, [Ni(5,5′-dmbpy)3]2Ag4.9I8.9·4H2O (5,5′-dmbpy = 5,5′-dimethyl-2,2′-bipyridine) (1) was solvothermally prepared and structurally characterized. Compound 1 has a discrete anionic moiety of [Ag4.9I8.9]4- constructed by three types of fundamental building units, i.e., [AgI2] dumbbell, [AgI3] triangle and [AgI4] tetrahedron. It possesses a band gap of 2.07 eV, and exhibits fascinating photoelec. property with the photocurrent value of around 0.5μA/cm2. Its thermal stability and Hirshfeld surface analyses were also investigated.

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

Safety of 5,5′-Dimethyl-2,2′-bipyridine. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5,5′-Dimethyl-2,2′-bipyridine, is researched, Molecular C12H12N2, CAS is 1762-34-1, about Construction of lanthanide complexes supported by 2,3-dimethoxybenzoic acid and 5,5′-dimethyl-2,2′-bipyridine: crystal structures, thermoanalysis, magnetic and fluorescence properties. Author is Li, Ying-Ying; Ren, Ning; He, Shu-Mei; Wang, Shu-Ping; Zhang, Jian-Jun.

A series of novel trivalent lanthanide complexes, [Ln(2,3-DMOBA)3(5,5′-DM-2,2′-bipy)]2·C2H5OH (Ln = Eu (1), Sm (2), Gd (3), Ho (4) Er (5), Pr (6), Nd (7)) (2,3-DMOBA = 2,3-dimethoxybenzoate, 5,5′-DM-2,2′-bipy = 5,5′-dimethyl-2,2′-bipyridine), have been successfully synthesized and structurally validated by single crystal diffraction. All complexes discussed herein feature a binuclear structure, and contain only one free ethanol mol., which is interesting in the lanthanide complexes. The coordination number of center Ln3+ ions is nine, showing a distorted monocapped square anti-prismatic coordination geometry. Through a pair of alternating identical C-H···O hydrogen bonding interactions between two 2,3-DMOBA ligands on the same lanthanum binuclear unit with 5,5′-DM-2,2′-bipy ligands on two neighboring units, the binuclear complexes can form one- The thermal anal. of these complexes are investigated by TG-DSC/FTIR, the result show that the decomposition process of complexes are mainly divided into four stages with the formation of the resp. oxides. The visible light emission experiment of complex 1 is carried out, and the characteristic luminescence behavior of intense red light is exhibited. What’more, fluorescence lifetimes as well as the fluorescent quantum yield of complex 1 is calculated And the magnetic properties of complexes 3-5 are also studied.

There are many compounds similar to this compound(1762-34-1)Safety of 5,5′-Dimethyl-2,2′-bipyridine. 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.

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

HPLC of Formula: 1762-34-1. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5,5′-Dimethyl-2,2′-bipyridine, is researched, Molecular C12H12N2, CAS is 1762-34-1, about Stereoselective self-assembly of DNA binding helicates directed by the viral β-annulus trimeric peptide motif. Author is Gomez-Gonzalez, Jacobo; Bouzada, David; Perez-Marquez, Lidia A.; Sciortino, Giuseppe; Marechal, Jean-Didier; Vazquez Lopez, Miguel; Vazquez, M. Eugenio.

Combining coordination chem. and peptide engineering offers extraordinary opportunities for developing novel mol. (supra)structures. Here, we demonstrate that the β-annulus motif is capable of directing the stereoselective assembly of designed peptides containing 2,2′-bipyridine ligands into parallel three-stranded chiral peptide helicates, and that these helicates selectively bind with high affinity to three-way DNA junctions.

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

Du, Dan-Dan; Ren, Ning; Zhang, Jian-Jun published the article 《A series of lanthanide complexes with 2-fluorobenzoic acid and 5,5′-dimethyl-2,2′-bipyridine: Synthesis, supramolecular structures, spectroscopy and thermal behaviour》. Keywords: lanthanide fluorobenzoate dimethylbipyridine supramol preparation crystal mol structure stability; thermal stability fluorescence lanthanide fluorobenzoate dimethylbipyridine supramol complex.They researched the compound: 5,5′-Dimethyl-2,2′-bipyridine( cas:1762-34-1 ).Safety of 5,5′-Dimethyl-2,2′-bipyridine. 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:1762-34-1) here.

A family of lanthanide-based self-assembling complexes constructed from 2-fluorobenzoic acid and 5,5′-dimethyl-2,2′-bipyridine have been successfully fabricated via conventional synthesis, namely, [Ln(2-FBA)3(5,5′-DM-2,2′-bipy)]2 (2-FBA = 2-fluorobenzoate, 5,5′-DM-2,2′-bipy = 5,5′-dimethyl-2,2′-bipyridine, Ln = La (1), Pr (2), Nd (3), Sm (4), Gd (5), Dy (6), Ho (7), Er (8)). The obtained complexes are investigated by elemental anal., IR spectra, Raman spectra and single-crystal x-ray diffraction. Crystallog. results exhibit that each Ln3+ ion of them is located in a distorted Muffin coordination sphere finished by seven oxygen atoms of 2-FBA ligands and two nitrogen atoms of 5,5′-DM-2,2′-bipy ligand. Interestingly, although complexes 1-6 and 7-8 have the same formula unit, the differences in hydrogen bond interactions lead to different supramol. structures. Besides, the thermal decomposition mechanism of the complexes has been studied by TG/DSC-FTIR technol. The results show that these complexes are thermally stable up to 450 K. In addition, complexes 4 and 6 both exhibit the characteristic fluorescence of lanthanide ions, i.e., complex 4 exhibits characteristic 4G5/2→6HJ/2 (J = 5, 7, 9) transitions, and complex 6 shows characteristic 4F9/2→6HJ/2 (J = 15, 13) transitions.

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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.Formula: C12H12N2.Bu, Ran; Zhang, Lin; Liu, Xiao-Yan; Yang, Shuai-Liang; Li, Gen; Gao, En-Qing published the article 《Synthesis and Acid-Responsive Properties of a Highly Porous Vinylene-Linked Covalent Organic Framework》 about this compound( cas:1762-34-1 ) in ACS Applied Materials & Interfaces. Keywords: acid responsive porous vinylene covalent organic framework; Hill equation; acid response; acidochromic; covalent organic framework; fluorescence; gas sensor. Let’s learn more about this compound (cas:1762-34-1).

The recently emerging vinylene-linked covalent organic frameworks (VCOFs) stand out from other COFs with exceptional chem. stability and favorable light-emitting properties, promising sensing applications for acids/bases or in strong acidic/basic conditions. Here we systematically investigated the reversible color and fluorescent response of a VCOF functionalized with pyridyl groups to acids/pH. The COF was synthesized with a record surface area for VCOFs and shows reversible hydrochromic and acidochromic behaviors and concomitant fluorescence quenching. The mechanisms were probed with systematical exptl. comparison with relevant COFs and model mols. in combination with orbital anal. The response is related to significant electronic changes in the ground and photoexcited states as a result of protonation or hydrogen bonding at pyridyl sites. The COF in aqueous dispersion displays a reversible fluorescence transition with pH change, which follows the Hill equation for multisite protonation. The COF-modified test paper shows immediate and remarkable color change and fluorescence turn-off/on when alternately exposed to HCl and NH3 gases. The work illustrates the great potential of developing highly robust sensory COFs through the vinylene approach.

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

Wang, Yidong; Zhang, Peichao; Di, Xiaoyu; Dai, Qiang; Zhang, Zhan-Ming; Zhang, Junliang published the article 《Gold-Catalyzed Asymmetric Intramolecular Cyclization of N-Allenamides for the Synthesis of Chiral Tetrahydrocarbolines》. Keywords: gold catalyzed asym intramol cyclization allenamide chiral hydrocarboline synthesis; chiral sulfinamide phosphine ligand gold catalyzed asym intramol cyclization; desbromoarborescidine A synthesis desbromoarborescidine C formal synthesis; deplancheine formal synthesis; desymmetrization allenamide; allenamides; cyclization; enantioselectivity; gold; tetrahydrocarboline.They researched the compound: (R)-N-((R)-(5-(Diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl)(4-methoxyphenyl)methyl)-2-methylpropane-2-sulfinamide( cas:2160535-56-6 ).Application In Synthesis of (R)-N-((R)-(5-(Diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl)(4-methoxyphenyl)methyl)-2-methylpropane-2-sulfinamide. 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:2160535-56-6) here.

Highly enantioselective gold-catalyzed intramol. cyclization of N-allenamides was implemented by utilizing a designed chiral sulfinamide phosphine ligand (PC-Phos) [e.g., allenamide I → tetrahydrocarboline II (99%, 96% ee) in presence of Me2S.AuCl, AgNTf2 and ligand III in CH2Cl2 at -50°]. This represents the first example of highly enantioselective intramol. cyclization of N-allenamides. The practicality of this reaction was validated in the total synthesis of (R)-desbromoarborescidine A and formal synthesis of (R)-desbromoarborescidine C and (R)-deplancheine. Moreover, the catalyst system PC-Phos/AuNTf2 proved to be specifically efficient to promote the desymmetrization of N-allenamides in excellent yields with satisfactory ee values.

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

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: 1762-34-1, is researched, Molecular C12H12N2, about Construction of lanthanide complexes supported by 2,3-dimethoxybenzoic acid and 5,5′-dimethyl-2,2′-bipyridine: crystal structures, thermoanalysis, magnetic and fluorescence properties, the main research direction is lanthanide dimethoxybenzoate dimethybipyridine complex preparation crystal mol structure; thermoanalysis magnetic fluorescence property lanthanide dimethoxybenzoate dimethybipyridine complex.Recommanded Product: 1762-34-1.

A series of novel trivalent lanthanide complexes, [Ln(2,3-DMOBA)3(5,5′-DM-2,2′-bipy)]2·C2H5OH (Ln = Eu (1), Sm (2), Gd (3), Ho (4) Er (5), Pr (6), Nd (7)) (2,3-DMOBA = 2,3-dimethoxybenzoate, 5,5′-DM-2,2′-bipy = 5,5′-dimethyl-2,2′-bipyridine), have been successfully synthesized and structurally validated by single crystal diffraction. All complexes discussed herein feature a binuclear structure, and contain only one free ethanol mol., which is interesting in the lanthanide complexes. The coordination number of center Ln3+ ions is nine, showing a distorted monocapped square anti-prismatic coordination geometry. Through a pair of alternating identical C-H···O hydrogen bonding interactions between two 2,3-DMOBA ligands on the same lanthanum binuclear unit with 5,5′-DM-2,2′-bipy ligands on two neighboring units, the binuclear complexes can form one- The thermal anal. of these complexes are investigated by TG-DSC/FTIR, the result show that the decomposition process of complexes are mainly divided into four stages with the formation of the resp. oxides. The visible light emission experiment of complex 1 is carried out, and the characteristic luminescence behavior of intense red light is exhibited. What’more, fluorescence lifetimes as well as the fluorescent quantum yield of complex 1 is calculated And the magnetic properties of complexes 3-5 are also studied.

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

Related Products of 1762-34-1. 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 A sensitive photoluminescent chemosensor for cyanide in water based on a zinc coordination polymer bearing ditert-butyl-bipyridine.

Sensitive and direct sensing of cyanide in buffered aqueous solutions at pH = 7.0 by three new blue photoluminescent zinc-1,4-cyclohexanedicarboxylato coordination polymers bearing di-alkyl-2,2′-bipyridines has been achieved. Specifically, a Zn-polymer with the general formula: {[Zn2(H2O)2(e,a-cis-1,4-chdc)2(4,4′-dtbb)2]·7H2O}n, (1,4-chdc = 1,4-cyclohexanedicarboxylato and 4,4′-dtbb = 4,4′-ditert-butyl-2,2′-bipyridine) has been synthesized in high yield and studied as a luminescent chemosensor for halides, pseudohalides and a series of oxyanions in neutral water. CN- ions can be quant. detected by this polymer based on complete quenching (λem = 434 nm) in the sub-micromolar concentration range with a pronounced selectivity over common anions such as acetate, bromide and iodide. The quenching response (KSV = 9.7(±0.2) × 104 M-1) by the addition of CN- was also observed in the presence of typical interfering anions with a very low detection limit of 0.9μmol L-1 in buffered water at pH = 7.0. On the basis of the crystal structure and solid state CPMAS 13C-NMR correlation and 1H NMR, IR-ATR, MS-ESI(+) and SEM-EDS experiments, the optical change is attributed to the efficient release of its corresponding ditert-butyl-bipyridine, with the simultaneous formation of a zinc cyanide complex. The CPMAS 13C-NMR spectrum of the coordination polymer is consistent with the symmetry of the crystal structure. The use of flexible coordination polymers as fluorescent sensors for fast and selective detection of cyanide ions in pure aqueous solutions has been unexplored until now.

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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 Spectroscopic, structural and DFT studies of luminescent Pt(II) and Ag(I) complexes with an asymmetric 2,2′-bipyridine chelating ligand. Author is Yilmaz, Ismail; Acar-Selcuki, Nursel; Coles, Simon J.; Pekdemir, Fatih; Sengul, Abdurrahman.

A new unsym. substituted 2,2′-bipyridine ligand, 5-methyl-5′-carbomethoxy-2,2′-bipyridine (L) was isolated from the dry distillation of the copper(II) complex, mono-aqua-bis(trans-5-methyl-pyridine-2-carboxylato-N,O)copper(II). The ligand was fully characterized. The spectroscopic and single-crystal x-ray diffraction (SCXRD) studies of the coordination compounds of the ligand with platinum(II) and silver(I); cis-Pt(L)Cl2 (1) and [Ag(L)2]PF6 (2), resp. are reported. In 1, the Pt center coordinates to tertiary N atoms of the ligand and two chloride ions to form a neutral square-planar coordination sphere, while in 2, the Ag(I) center is coordinated by two ligands through N atoms to generate a cationic flattened tetrahedron geometry in which two mean planes intersect each other at 50.93°. The pyridine rings are nearly coplanar as revealed by the torsion angle of N2-C7-C6-N1 1.32(5)°. In both complexes, L acts as a chelating ligand through pyridyl N atoms. In 1, the mol. units are stacked in a head-to-tail fashion with a Pt···Pt separation of 3.5 Å. Supramol. self-assembly of the mol. units by extensive intermol. contacts through C-H···Cl and C-H···O between the adjacent units results in an infinite two-dimensional flattened-out herringbone structure in the crystalline state. In 2, the mol. units are interconnected with each other by C-H···O contacts between the adjacent units running parallel to each other. Both complexes are fluorescent in solution and have emission maxima in the UV-Vis regions, which is a very important property for optoelectronic applications. DFT (d. functional theory) and TD-DFT (time-dependent-DFT) calculations were performed at B3LYP/6-311+G(d,p)/LANL2DZ level to explore structural, electronic, and spectroscopic properties to compare with the exptl. results. The MOs were carried out with DFT at the same level.

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