Month: April 2022

SDS of cas: 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 Synthesis, crystal structure, thermal, luminescent property and antibacterial activity of lanthanide ternary complexes with p-chlorobenzoic acid and 5,5′-dimethyl-2,2′-bipyridine. Author is Zhou, Meng-Xue; Ren, Ning; Zhang, Jian-Jun; Wang, Da-Qi.

Four novel lanthanide coordination complexes, [La(p-ClBA)3(5,5′-DM-2,2′-bipy)H2O]n (1), [Ln(p-ClBA)3(5,5′-DM-2,2′-bipy)H2O]2 (Ln = Sm 2, Eu 3, Gd 4) were obtained from the reaction between p-chlorobenzoic acid (p-ClHBA), 5,5′-dimethyl-2,2′-bipyridine (5,5′-DM-2,2′-bipy) and lanthanide nitrate under solvothermal conditions. Single crystal X-ray diffraction anal. showed that complex 1 is a 1D chain structure, crystallized in the monoclinic system, space group P2(1)/n, and formed a 2D sheet through the C-H···O hydrogen bond interactions. While complexes 2-4 were binuclear unit and crystallizes isomorphically in the triclinic system, space group Pi̅. The binuclear unit were assembled into 1D supramol. structures through the O-H···O hydrogen bond interactions along the a-axis and formed a 2D supramol. structures through the π-π stacking interactions along the b-axis. The thermal anal. of four complexes were studied by TG-DSC/FTIR. The solid state photoluminescent properties of complex 3 were investigated at room temperature Moreover, the antibacterial activities of complexes 1-4 on Candida albicans were studied.

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

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 5,5′-Dimethyl-2,2′-bipyridine, is researched, Molecular C12H12N2, CAS is 1762-34-1, about A new mononuclear nickel complex with 5,5′-dimethyl-2,2′-bipyridine: Synthesis, structural investigation and catalytic properties, the main research direction is preparation crystal structure mononuclear nickel dimethylbipyridine selenate complex; Thermal decomposition mononuclear nickel dimethylbipyridine selenate complex; Heck Sonogashira coupling reaction nickel dimethylbipyridine selenate complex catalyst.Computed Properties of C12H12N2.

The new [Ni(dmbpy)(H2O)4]SeO4 (1) complex (dmbpy = 5,5′-dimethyl-2,2′-bipyridine or C12H12N2), based on mononuclear nickel(II) and bi-at. bridging ligands was successfully synthesized by hydrothermal method. The crystals were characterized by x-ray single-crystal diffraction, crystallizing in the monoclinic system, space group P21/c. Their crystal structure consists of metallic cations octahedrally coordinated by four water mols. and two nitrogen atoms coming from the organic mol. [NiN2O4], and a selenate anion (SeO4)2-. Their crystal packing is ensured by a three-dimensional network of O-H. O hydrogen bonds between the cation and anion moieties, and π… π interactions between the pyridine rings of the organic moieties of the same layer. The thermal anal. discloses dehydration between 148° and 210°, leading to an anhydrous compound [Ni(dmbpy)]SeO4. The study of vibrational absorption and Raman scattering spectra allows bringing addnl. information to those obtained by x-ray diffraction. The optical band gap was calculated from the UV-visible absorbance spectra using classical Tauc relation which is 3.58 eV. The catalytic evaluation of [Ni(dmbpy)(H2O)4]SeO4 on Heck and Sonogashira coupling reactions, activated by ultrasonic irradiation, results in encouraging yields for a very short times with a remarkable selectivity of the form (E) with respect to (Z) during the arylation of styrene, making this complex a promising catalyst for both types of reactions. The coupling products of the Heck and Sonogashira coupling reaction ((Z)-/(E)- Stilbene and Diphenylacetylene, resp.) were examined by 13C NMR and 1H NMR. These spectroscopic measurements provide extremely valuable information on the structure of the mols. obtained.

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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.Qian, Zhe; Zhang, Ying; Jia, Ai-Quan; Shi, Hua-Tian; Zhang, Qian-Feng researched the compound: 5,5′-Dimethyl-2,2′-bipyridine( cas:1762-34-1 ).Name: 5,5′-Dimethyl-2,2′-bipyridine.They published the article 《Syntheses, molecular structures, and spectroscopic properties of manganese(II)/(III) complexes with tetraphenylimidodiphosphinato and bi-pyridine or salicylaldehyde ligands》 about this compound( cas:1762-34-1 ) in Inorganica Chimica Acta. Keywords: manganese tetraphenylimidodiphosphinato bipyridine salicylaldehyde complex preparation crystal structure; cyclic voltammetry manganese tetraphenylimidodiphosphinato bipyridine salicylaldehyde complex. We’ll tell you more about this compound (cas:1762-34-1).

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.

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

Safety of 5,5′-Dimethyl-2,2′-bipyridine. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. 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

SDS of cas: 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 Regulation of Substituent Effects on Configurations and Magnetic Performances of Mononuclear DyIII Single-Molecule Magnets. Author is Zhang, Sheng; Mo, Wenjiao; Zhang, Jiangwei; Zhang, Zengqi; Yin, Bing; Hu, Dengwei; Chen, Sanping.

A series of mononuclear DyIII compounds, [Dy(tmpd)3(4,4′-dmpy)] (1), [Dy(tffb)3(4,4′-dmpy)] (2), [Dy(tffb)3(5,5′-dmpy)] (3), and [Dy(tmpd)3(5,5′-dmpy)] () [tmpd = 4,4,4-trifluoro-1-(4-methoxyphenyl)-1,3-butanedione, tffb = 4,4,4-trifluoro-1-(4-fluorophenyl)-1,3-butanedione, 4,4′-dmpy = 4,4′-dimethyl-2,2′-bipyridyl, and 5,5′-dmpy = 5,5′-dimethyl-2,2′-bipyridyl], have been synthesized by modifying β-diketonate ligands and capping N-donor co-ligands. DyIII ions in 1-4 possess N2O6 octacoordinated environments. Compounds 1 and 2 exhibit distorted trigonal dodecahedron configurations, while 3 and 4 display distorted square antiprismatic configurations. Systematic investigations of the a.c. measurements indicate the different magnetic relaxation dynamics with energy barriers (Ueff) of 66 K (1, 45 cm-1), 189 K, (2, 131 cm-1), 115 K (3, 79 cm-1), and 205 K (4, 142 cm-1). To deeply understand their different magnetic behaviors, the magnetic anisotropies of 1-4 were studied by ab initio calculations From ab initio calculations, the energies of the first excited state (KD1) are consistent with the exptl. Ueff under zero d.c. field. Compound 4 presents the largest Ueff because of the smallest gX,Y and μqTM as well as the most strong axial crystal field parameters (CFPs) among compounds 1-4. The M vs. H data exhibit butterfly-shaped hysteresis loops at 2 K for 1-4. The different coordination geometries, the magnetic dynamics, the electrostatic repulsion, and CFPs result from the different substituent effects of ligands, including the electronic effect, the steric effect, and the positions of substituted groups. The different coordination geometries, the magnetic dynamics, the electrostatic repulsion, and the crystal field parameters result from the different substituent effects of ligands, including the electronic effect, the steric effect, and the positions of substituted groups.

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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.Goncalves, Guilherme R.; de Carvalho, Alexandre B.; Honorato, Joao; Oliveira, Katia M.; Correa, Rodrigo S. researched the compound: 5,5′-Dimethyl-2,2′-bipyridine( cas:1762-34-1 ).Name: 5,5′-Dimethyl-2,2′-bipyridine.They published the article 《A new polymorph of six-coordinated bis(5,5′-dimethyl-2,2′-bipyridine) nitratocopper(II) nitrate and its DNA interactions》 about this compound( cas:1762-34-1 ) in Journal of Molecular Structure. Keywords: copper methylbipyridine preparation crystal structure DNA binding Hirshfeld surface. We’ll tell you more about this compound (cas:1762-34-1).

Here, the authors present a new polymorph of the [Cu(5mebipy)(NO3)]NO3 complex (1, Form II), where 5mebipy means 5,5′-dimethyl-2,2′-bipyridine. 1 Was characterized by spectroscopic techniques and single-crystal x-ray diffraction. Form II presents a six-coordinated structure, meanwhile the Form I, previously reported, is five-coordinated with the nitrate ligand as monodentate. The mol. structures of both crystalline forms were compared based on intramol. aspects using Kleywegt’s anal. and the intermol. contacts evaluated by Hirshfeld surface studies. Also, the interaction of [Cu(5mebipy)(NO3)]+ with CT-DNA was carried out using viscosity and spectrophotometric titrations, exhibiting a binding constant of 2.57 × 104 M – 1. This study contributes to explore the intra and intermol. details of the new polymorph of [Cu(5mebipy)(NO3)]NO3 and its capability to interacts with CT-DNA.

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

Electric Literature of 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 Exploiting the versatility of pyridyl ligands for the preparation of diorganotin (IV) adducts: spectral, crystallographic and Hirshfeld surface analysis studies. Author is Momeni, Badri Z.; Fathi, Nastaran; Abbasi, Reyhaneh; Janczak, Jan.

Diorganotin (IV) complexes SnR2X2 (R = Me, Ph; X = Cl, NCS) form a series of versatile complexes when react with bidentate substituted pyridyl ligands. The reaction of dimethyltin dichloride with 5,5′-dimethyl-2,2′-bipyridine (5,5′-Me2bpy) resulted in the formation of [SnMe2Cl2(5,5′-Me2bpy)] (1). Moreover, the reaction of SnMe2(NSC)2 with 4,4′-di-tert-butyl-2,2′-bipyridine (bu2bpy), 1,10-phenanthroline (phen) and 4,7-diphenyl-1,10-phenanthroline (bphen) affords the hexa-coordinated complexes [SnMe2(NCS)2(bu2bpy)] (2), [SnMe2(NCS)2(phen)] (3) and [SnMe2(NCS)2(bphen)] (4), resp. The resulting complexes have been characterized using elemental anal., IR, multinuclear NMR (1H, 13C, 119Sn) and DEPT-135° NMR spectroscopy. On the other hand, the reaction of diphenyltin dichloride with 2,2′-biquinoline (biq) and 4,7-phenantroline (4,7-phen) led to the formation of polymeric complexes of [SnPh2Cl2(4,7-phen)]n (5) and [SnPh2Cl2(biq)]n (6). The NMR spectra, however, reveal the ligand lability in solution and suggest a coordination number of 5. The X-ray crystal structures of complexes [SnMe2Cl2(5,5′-Me2bpy)] (1), [SnMe2(NCS)2(bu2bpy)] (2) and [SnMe2(NCS)2(bphen)] (4) have been determined which reveal that the geometry around the tin atom is distorted octahedral with trans-[SnMe2] configuration. Interestingly, the crystal structure of (H2biq)2[SnPh2Cl4]•2CHCl3 (7) was characterized by X-ray crystallog. from a chloroform solution of [SnPh2Cl2(biq)]n (6) indicating the formation of doubly protonated [H2biq]+ and [Ph2SnCl4]2- which are stabilized by a network of hydrogen bonds with a feature of trans-[SnPh2]. The 3D Hirshfeld surface anal. and 2D fingerprint maps were used for quant. mapping out of the intermol. interactions for 1, 2, 4 and 7 which show the presence of π-π and hydrogen bonding interactions which are associated between donor and acceptor atoms (N, S, Cl) in the solid state.

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

Rand, Alexander W.; Yin, Hongfei; Xu, Liang; Giacoboni, Jessica; Martin-Montero, Raul; Romano, Ciro; Montgomery, John; Martin, Ruben published the article 《Dual Catalytic Platform for Enabling sp3 α C-H Arylation and Alkylation of Benzamides》. Keywords: benzamide arylation alkylation chemoselective enantioselective photoredox.They researched the compound: 5,5′-Dimethyl-2,2′-bipyridine( cas:1762-34-1 ).Related Products of 1762-34-1. 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 dual catalytic sp3 α C-H arylation and alkylation of benzamides with organic halides is described. This protocol exhibits an exquisite site selectivity, chemoselectivity, and enantioselectivity pattern, offering a complementary reactivity mode to existing sp3 arylation or alkylations via transition metal catalysis or photoredox events.

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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 Bridging Solution and Solid-State Chemistry of Dicyanoaurate: The Case Study of Zn-Au Nucleation Units.Reference of 5,5′-Dimethyl-2,2′-bipyridine.

The behavior in solution of the dicyanoaurate anion in the presence of other metal centers has so far been little explored, despite its importance in material science. The design and synthesis of systems with controlled coordination behavior, using chelating ligands and ZnII, has allowed us to detect self-assembly and oligomerization in solution This phenomenon has been studied with 13C and 1H NMR, absorption and emission UV-vis spectroscopy, ESI-MS, and XAS at both the Au L3-edge and Zn K-edge: all of these techniques confirm the presence of Au-Zn aggregation products. These fragments, resembling structural units in the solid state, reveal that coordination of dicyanoaurate to free sites around metal centers can occur at a lower concentration than those at which crystals start to form and at which aurophilic interactions are observed, forming the connection between solution species and solid-state architectures. Through the use of a multitechnique approach, the solution chem. of dicyanoaurate in the presence of zinc complexes has been successfully correlated to prenucleation aggregation. The difference in polarity or hydrogen bond properties of the crystallization solvent generates, in the presence of the same reagents, substantially different compounds, and these phases have been analyzed through the results obtained in solution

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

Name: 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 Bipyridine-Directed Syntheses of Uranyl Compounds Containing Semirigid Dicarboxylate Linkers: Diversity and Consistency in Uranyl Speciation.

Bipyridine organic bases are beneficial to the synthesis of novel uranyl-organic hybrid materials, but the relationship between their mol. structures and specific roles as structure-directing agents, especially for the semirigid dicarboxylate systems, is still unclear. Here we demonstrate how the bipyridine ligands direct the coordination assembly of uranyl-organic compounds with a semirigid dicarboxylate linker, 4,4′-dicarboxybiphenyl sulfone (H2dbsf), by utilizing a series of bipyridine ligands, 1,10-phenanthroline (phen), 2,2′-bipyridine (2,2′-bpy), 5,5′-dimethylbipyridine (5,5′-dmbpy), 4,4′-bipyridine (4,4′-bpy), or 1,3-di(4-pyridyl)propane (bpp). Under hydrothermal conditions, eight uranyl-organic coordination polymers (UCPs), four of which [[UO2(dbsf)(phen)] (1), [UO2(dbsf)(phen)]·H2O (1′), [U4O10(dbsf)3]2[H2bpp]2 (6), and [U4O10(dbsf)3]2[H2bpp] (6′)] were reported previously, were synthesized and divided into two types based on the chelate or template effect of these bipyridine ligands. 1, 1′, [UO2(dbsf)(2,2′-bpy)] (2), and [(UO2)2(dbsf)2(5,5′-dmbpy)2] (3) are springlike triple helixes with bipyridine ligands (phen, 2,2′-bpy, or 5,5′-dmbpy) as chelate ligands, while [U4O10(dbsf)3][H2(4,4′-bpy)] (4), [U4O10(dbsf)3]2[H(4,4′-bpy)]2[Ni(H2O)6] (5), 6, and 6′ are tetranuclear uranyl-mediated 2-fold-interpenetrating networks with 4,4′-bpy or bpp as template ligands and charge-balancing agents. The participation or not in uranyl coordination of different bipyridine ligands promotes not only diversity in uranyl speciation and final topol. structures among different classes of organic bases but also consistency for the same types of bipyridine ligands, which thus endows the possibility of the rational design of UCPs based on semirigid dicarboxylate ligands with the aid of cautiously selected bipyridine ligands.

I hope my short article helps more people learn about this compound(5,5′-Dimethyl-2,2′-bipyridine)Name: 5,5′-Dimethyl-2,2′-bipyridine. Apart from the compound(1762-34-1), you can read my other articles to know other related compounds.

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