Category: benzodioxans

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, ACS Applied Energy Materials called Ultrafine palladium nanoparticles stabilized in the porous liquid of covalent organic cages for photocatalytic hydrogen evolution, Author is Zhang, Jian-Hua; Wei, Mei-Juan; Lu, Yu-Lin; Wei, Zhang-Wen; Wang, Hai-Ping; Pan, Mei, the main research direction is palladium nanoparticle cryptand hydrogen evolution reaction photocatalyst.Quality Control of 5,5′-Dimethyl-2,2′-bipyridine.

Soluble covalent organic cages (COCs) were designed to comprise cryptand inner cavities and multiple metal-chelating sites on windows. The porous liquid formed by well-dispersed COCs in solution proves to be an excellent stabilizer for ultrafine palladium nanoparticles with a critical size of 1-3 nm using NaBH4 or methanol as a reductant. When transferring palladium nanoparticles stabilized in the porous liquid of COCs onto carbon nitride (g-C3N4), an efficient heterogeneous photocatalyst could be obtained to possess high catalytic activity for hydrogen evolution from water with long-term durability. This provides prospects for the application of porous liquids in various fields by combining advantages of homogeneous and heterogeneous attributes together.

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

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. 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.Product Details of 1762-34-1.

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

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, Article, Research Support, Non-U.S. Gov’t, Journal of the American Chemical Society called 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, which mentions a compound: 1762-34-1, SMILESS is CC1=CN=C(C=C1)C1=NC=C(C)C=C1, Molecular C12H12N2, Related Products of 1762-34-1.

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.

Here is just a brief introduction to this compound(1762-34-1)Related Products of 1762-34-1, more information about the compound(5,5′-Dimethyl-2,2′-bipyridine) is in the article, you can click the link below.

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

Quality Control of 5,5′-Dimethyl-2,2′-bipyridine. 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 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.

Here is just a brief introduction to this compound(1762-34-1)Quality Control of 5,5′-Dimethyl-2,2′-bipyridine, more information about the compound(5,5′-Dimethyl-2,2′-bipyridine) is in the article, you can click the link below.

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

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 5,5′-Dimethyl-2,2′-bipyridine, is researched, Molecular C12H12N2, CAS is 1762-34-1, about Two novel Sm(III) complexes with different aromatic carboxylic acid ligands: Synthesis, crystal structures, luminescence and thermal properties.Product Details of 1762-34-1.

Two novel Sm(III) complexes, [Sm(3,4-DMBA)3(3,4-DMHBA)(5,5′-DM-2,2′-bipy)]2 (1), [Sm(3-MOBA)3(5,5′-DM-2,2′-bipy)]2 (2) (3,4-dimethylbenzoic acid = 3,4-DMHBA, 3-methoxybenzoic acid = 3-MOHBA and 5,5′-dimethyl-2,2′-bipyridine = 5,5′-DM-2,2′-bipy), were successfully synthesized and assembled. The crystal structures were determined by single crystal x-ray diffraction. Two complexes were characterized by the elemental anal., IR, powder x-ray diffraction, thermal gravimetric technol. Because of the different ligands, the structures of the two complexes are very different, especially the structure of the complex 1. Each central Sm(III) ion of complex 1 was coordinated by three deprotonated 3,4-DMBA-,one unprotonated 3,4-DMHBA and one 5,5′-DM-2,2′-bipy, which has rarely been reported before. However each central Sm(III) ion of complex 2 was only coordinated via three deprotonated 3-MOBA- and one 5,5′-DM-2,2′-bipy. In addition, the thermal decomposition mechanism and the three-dimensional IR accumulation spectra of the evolved gas during the thermal decomposition for two complexes were studied by the simultaneous TG/DSC-FTIR technol. What’s more, the luminescence properties of two complexes are also discussed. Finally, the bacteriostatic activities of two complexes were evaluated against Staphlococcus aureus, Escherichia coli and Candida albicans.

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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 Reductive Alkylation of Alkenyl Acetates with Alkyl Bromides by Nickel Catalysis, the main research direction is alkenyl acetate bromoalkane nickel catalyst reductive alkylation; alkyl alkene preparation; Alkenes; Alkenylation; Alkylation; Cross-coupling; Nickel.Quality Control of 5,5′-Dimethyl-2,2′-bipyridine.

Herein a cross-electrophile reaction of alkenyl acetates with alkyl bromides was reported. This work has enabled a new method for the synthesis of aliphatic alkenes from alkenyl acetates to be established that was used to add more structural complexity and mol. diversity with enhanced functionality tolerance. The method allows for a gram-scale reaction and modification of biol. active mols., and it affords access to useful building blocks. Preliminary mechanistic studies revealed that the Ni(I) species plays an essential role for the success of the coupling of these two reactivity-mismatched electrophiles.

There is still a lot of research devoted to this compound(SMILES：CC1=CN=C(C=C1)C1=NC=C(C)C=C1)Quality Control 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

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.SDS of cas: 1762-34-1.Sanchez, Monica L. K.; Wu, Chang-Hao; Adams, Michael W. W.; Dyer, R. Brian published the article 《Optimizing electron transfer from CdSe QDs to hydrogenase for photocatalytic H2 production》 about this compound( cas:1762-34-1 ) in Chemical Communications (Cambridge, United Kingdom). Keywords: cadmium selenide QD electron transfer hydrogenase photocatalytic hydrogen production. Let’s learn more about this compound (cas:1762-34-1).

A series of viologen related redox mediators of varying reduction potential has been characterized and their utility as electron shuttles between CdSe quantum dots and hydrogenase enzyme has been demonstrated. Tuning the mediator LUMO energy optimizes the performance of this hybrid photocatalytic system by balancing electron transfer rates of the shuttle.

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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 Chemical sensors based on nano-sized lanthanide-grafted periodic mesoporous organosilica hybrid materials, published in 2019, which mentions a compound: 1762-34-1, Name is 5,5′-Dimethyl-2,2′-bipyridine, Molecular C12H12N2, COA of Formula: C12H12N2.

In this work authors introduce the use of nano-sized (50-70 nm) lanthanide-grafted periodic mesoporous organosilicas for both metal ion sensing and solvent sensing. For this study a PMO constructed from the N,N-bis(trimethoxysilylpropyl)-2,6-pyridine dicarboxamide linker and tetra-Et orthosilicate (at a 5 : 95 ratio) was employed. This material was grafted with Eu3+, Tb3+ or a mixture of Eu3+-Tb3+ chloride salts to obtain strongly emitting nano-sized luminescence materials. To further enhance the luminescence properties of the materials two different co-ligands were used – 1,10-phenanthroline (phen) and 5,5′-dimethyl-2,2′-dipyridyl (bpy). The luminescence properties of the developed series of hybrid materials were studied in detail in the solid-state and after dispersing in water. The materials were investigated for their use as ion sensors, with the Eu3+ and Tb3+ phen and bpy co-grafted materials showing selective “”turn on”” fluorescence for Pb2+ and Cr3+ ions (at a 10 ppm concentration of the ions). The Eu3+-Tb3+ co-grafted materials showed solvatochromism and could be used as a solvent sensor to distinguish between protic and aprotic solvents.

There is still a lot of research devoted to this compound(SMILES：CC1=CN=C(C=C1)C1=NC=C(C)C=C1)COA of 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

Reference of 5,5′-Dimethyl-2,2′-bipyridine. 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 The laser-induced potential jump: A method for rapid electron injection into oxidoreductase enzymes.

Oxidoreductase enzymes often perform technol. useful chem. transformations using abundant metal cofactors with high efficiency under ambient conditions. The understanding of the catalytic mechanism of these enzymes is, however, highly dependent on the availability of well-characterized and optimized time-resolved anal. techniques. We have developed an approach for rapidly injecting electrons into a catalytic system using a photoactivated nanomaterial in combination with a range of redox mediators to produce a potential jump in solution, which then initiates turnover via electron transfer (ET) to the catalyst. The ET events at the nanomaterial-mediator-catalyst interfaces are, however, highly sensitive to the exptl. conditions such as photon flux, relative concentrations of system components, and pH. Here, we present a systematic optimization of these exptl. parameters for a specific catalytic system, namely, [FeFe] hydrogenase from Chlamydomonas reinhardtii (CrHydA1). The developed strategies can, however, be applied in the study of a wide variety of oxidoreductase enzymes. Our potential jump system consists of CdSe/CdS core-shell nanorods as a photosensitizer and a series of substituted bipyridinium salts as mediators with redox potentials in the range from -550 to -670 mV (vs. SHE). With these components, we screened the effect of pH, mediator concentration, protein concentration, photosensitizer concentration, and photon flux on steady-state photoreduction and hydrogen production as well as ET and potential jump efficiency. By manipulating these exptl. conditions, we show the potential of simple modifications to improve the tunability of the potential jump for application to study oxidoreductases.

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

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Slow magnetic relaxation and luminescence properties in neodymium(III)-4,4,4-trifluoro-1-(2-naphthyl)butane-1,3-dionato complexes incorporating bipyridyl ligands, published in 2021, which mentions a compound: 1762-34-1, mainly applied to neodymium trifluoronaphthalenylbutanedionate complex preparation magnetic relaxation luminescence; crystal structure neodymium trifluoronaphthalenylbutanedionate complex, Recommanded Product: 5,5′-Dimethyl-2,2′-bipyridine.

Five new eight-coordinated Nd(III) mononuclear complexes with the formulas [Nd(ntfa)3(EtOH)2] (1), [Nd(ntfa)3(phen)] (2), [Nd(ntfa)3(bipy)] (3), [Nd(ntfa)3(5,5′-Me2bipy)] (4) and [Nd(ntfa)3(4,4′-Mt2bipy)] (5), where ntfa = 4,4,4-trifluoro-1-(naphthalen-2-yl)butane-1,3-dionate, phen = phenanthroline, bipy = 2,2′-dipyridine, 5,5′-Me2bipy = 5,5′-dimethyl-2,2′-dipyridine, and 4,4′-Mt2bipy = 4,4′-dimethoxy-2,2′-dipyridine, were synthesized and structurally characterized. Magnetic measurements were carried out on complexes 2-5. Dynamic magnetic studies revealed single-mol. magnet (SMM) behavior for complexes 2, 4 and 5 with anisotropy energy barriers and preexponential factors of Ueff = 18 cm-1, τ0 = 2.2 x 10-7 s; Ueff = 31 cm-1, τ0 = 1.0 x 10-9 s and Ueff = 19 cm-1, τ0 = 8.7 x 10-8 s, resp. The ancillary chelating bipyridyl ligands in complexes 2-5 greatly enhance the solid state luminescence emission in the visible and NIR regions through efficient energy transfer from the ligands to the central Nd3+ ion. This study highlights the bifunctionality of the Nd(III) complexes.

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