Category: 89972-77-0

Computed Properties of C22H17N3. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 4-(p-Tolyl)-2,2:6,2-terpyridine, is researched, Molecular C22H17N3, CAS is 89972-77-0, about Synthesis and Characterization of Two Copper (II) Complexes of 4′-tolyl-2,2′:6′,2”-Terpyridine and Simultaneous Detection and Separation of [Cu(ttpy)(NO3)2] and CuO by Capillary Zone Electrophoresis Method. Author is Saghatforoush, Lotf Ali; Sahin, Ertan; Mehdizadeh, Robabeh; Hasanzadeh, Mohammad; Sanati, Soheila; Musevi, Seyed Javad.

A simple synthetic method has been used to prepare copper(II) complexes of 4′-tolyl-2,2′:6′,2”-terpyridine (ttpy) ligand, [Cu(ttpy)(NO3)2] (1) and [Cu2(ttpy)(ClO4)4]n (2), in good yields. Also capillary zone electrophoresis (CZE) method was used for simultaneous detection and separation of complex 1 and CuO obtained from its calcination.

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Metal catalyst and ligand design,
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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 4-(p-Tolyl)-2,2:6,2-terpyridine, is researched, Molecular C22H17N3, CAS is 89972-77-0, about Towards ordered architectures: self-assembly and stepwise procedures to the hexameric metallomacrocycles [arylbis(terpyridinyl)6FeII6-n-RuIIn] (n = 0, 2, 3, 5), the main research direction is iron ruthenium arylbisterpyridinyl hexameric heterometallomacrocycle preparation self assembly electrochem.Formula: C22H17N3.

Hexameric metallomacrocycles [arylbis(terpyridinyl)6FeII6-n-RuIIn] (n = 0, 2, 3, 5) are a new class of ordered rigid-macromols. which possess unique structural, electronic, and phys. characteristics. Directed- and self-assembly methods for the construction of these stable bis(terpyridine)-based materials were studied by using both FeII and RuII as the coordinating metals. These heterometallomacrocycles and their homocounterparts are structurally compared, and their attendant electrochem. properties are analyzed and evaluated. These studies demonstrate the potential to create stable, nanoscale, doughnut-shaped, mol. assemblies with envisioned ramifications for energy storage and release, as well as nanoscale mol. electronic and magnetic devices.

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Metal catalyst and ligand design,
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Reference of 4-(p-Tolyl)-2,2:6,2-terpyridine. 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: 4-(p-Tolyl)-2,2:6,2-terpyridine, is researched, Molecular C22H17N3, CAS is 89972-77-0, about Mitochondrial Dynamics Tracking with Two-Photon Phosphorescent Terpyridyl Iridium(III) Complexes. Author is Huang, Huaiyi; Zhang, Pingyu; Qiu, Kangqiang; Huang, Juanjuan; Chen, Yu; Ji, Liangnian; Chao, Hui.

Mitochondrial dynamics, including fission and fusion, control the morphol. and function of mitochondria, and disruption of mitochondrial dynamics leads to Parkinson′s disease, Alzheimer′s disease, metabolic diseases, and cancers. Currently, many types of com. mitochondria probes are available, but high excitation energy and low photo-stability render them unsuitable for tracking mitochondrial dynamics in living cells. Therefore, mitochondrial targeting agents that exhibit superior anti-photo-bleaching ability, deep tissue penetration and intrinsically high three-dimensional resolutions are urgently needed. Two-photon-excited compounds that use low-energy near-IR excitation lasers have emerged as non-invasive tools for cell imaging. In this work, terpyridyl cyclometalated Ir(III) complexes (Ir1-Ir3) are demonstrated as one- and two-photon phosphorescent probes for real-time imaging and tracking of mitochondrial morphol. changes in living cells.

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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: 89972-77-0, is researched, SMILESS is CC1=CC=C(C2=CC(C3=NC=CC=C3)=NC(C4=NC=CC=C4)=C2)C=C1, Molecular C22H17N3Journal, Journal of Coordination Chemistry called Synthesis, spectroscopy, thermal behavior, and X-ray crystal structure of two lead(II) complexes with 4′-(4-tolyl)-2,2′;6′,2”-terpyridine (ttpy), Author is Saghatforoush, Lotfali; Adil, Karim; Sahin, Ertan; Babaei, Somayyeh; Musevi, Seyid Javad, the main research direction is preparation acetate bridged dimeric lead tolylterpyridine complex; crystal structure acetate bridged dimeric lead tolylterpyridine complex; cyclic voltammetry acetate bridged dimeric lead tolylterpyridine complex.COA of Formula: C22H17N3.

Two new dimeric Pb(II) complexes with 4′-(4-tolyl)-2,2′;6′,2”-terpyridine (ttpy), [Pb(ttpy)(μ-AcO)]2(PF6)2 (1) and [Pb(ttpy)(μ-AcO)I]2 (2), were synthesized and characterized by CHN elemental anal., 1H NMR, 13C NMR, IR spectroscopy, and structurally analyzed by x-ray single-crystal diffraction. The thermal stability of these compounds was studied by TGA and DTA. Single crystal x-ray anal. shows that 1 and 2 are dimeric units with Pb-(μ-AcO)2-Pb-type bridging, and the coordination number in 1 is six and in 2 is seven. The arrangement of donors suggests a gap in the coordination geometry around lead, possibly occupied by stereo-active lone pair of electrons on Pb(II), so the coordination sphere is hemidirected. Also, dimeric units are connected by a network of hydrogen bonds and π-π stacking as well. Electrochem. properties of free ligand and complexes were studied in the presence of tetra-Bu ammonium perchlorate as supporting electrolyte and by using a glassy carbon electrode. Both lead complexes show irreversible Pb(II) oxidation Cyclic voltammetry indicates that these processes are diffusion-controlled. The data from electrochem. studies show that the total limiting current of each of the studied complexes corresponds to two-electron transfer.

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Metal catalyst and ligand design,
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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: 4-(p-Tolyl)-2,2:6,2-terpyridine, is researched, Molecular C22H17N3, CAS is 89972-77-0, about New starburst metallodendrimers based on octa(diphenylphosphino)-functionalized silsesquioxane cores.Reference of 4-(p-Tolyl)-2,2:6,2-terpyridine.

Surface-modified starburst dendrimers were prepared by reaction of terpyridine-functionalized polyether monodendrons with an oligomeric polyhedral silsesquioxane (POSS) core. Subsequent reaction of these starburst dendrimers with ruthenium (II)-based precursors affords starburst metallodendrimers. These new dendrimers were characterized using a combination of mass spectral (MALDI-TOF, ESI, and FAB/MS) and NMR (1H, 13C, and 31P{1H}) analyses. Other characterization methods include photophys. (absorption, emission, excited-state lifetime, and quantum yield) and electrochem. (cyclic and square wave voltammetric) analyses. Photophys. data indicate that there is no intramol. excited-state quenching even in the generation 3 metallodendrimer, which possesses 32 ruthenium (II) centers. Electrochem. studies reveal the presence of charge trapping effects, as well as ligand-centered and metal-centered redox couples.

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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

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: 4-(p-Tolyl)-2,2:6,2-terpyridine, is researched, Molecular C22H17N3, CAS is 89972-77-0, about New starburst metallodendrimers based on octa(diphenylphosphino)-functionalized silsesquioxane cores.Reference of 4-(p-Tolyl)-2,2:6,2-terpyridine.

Surface-modified starburst dendrimers were prepared by reaction of terpyridine-functionalized polyether monodendrons with an oligomeric polyhedral silsesquioxane (POSS) core. Subsequent reaction of these starburst dendrimers with ruthenium (II)-based precursors affords starburst metallodendrimers. These new dendrimers were characterized using a combination of mass spectral (MALDI-TOF, ESI, and FAB/MS) and NMR (1H, 13C, and 31P{1H}) analyses. Other characterization methods include photophys. (absorption, emission, excited-state lifetime, and quantum yield) and electrochem. (cyclic and square wave voltammetric) analyses. Photophys. data indicate that there is no intramol. excited-state quenching even in the generation 3 metallodendrimer, which possesses 32 ruthenium (II) centers. Electrochem. studies reveal the presence of charge trapping effects, as well as ligand-centered and metal-centered redox couples.

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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Collin, Jean Paul; Heitz, Valerie; Sauvage, Jean Pierre published an article about the compound: 4-(p-Tolyl)-2,2:6,2-terpyridine( cas:89972-77-0,SMILESS:CC1=CC=C(C2=CC(C3=NC=CC=C3)=NC(C4=NC=CC=C4)=C2)C=C1 ).COA of Formula: C22H17N3. 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:89972-77-0) through the article.

Cyclocondensation of diethyldimethylpyrrylmethane with terpyridinylbenzaldehyde followed by oxidation of the porphyrinogen gave terpyridinylphenylporphyrin I. The complexation of I with (4′-(p-tolyl)-2,2′,6′,2”-terpyridine)ruthenium trichloride was also examined

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Reference:
Metal catalyst and ligand design,
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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 4-(p-Tolyl)-2,2:6,2-terpyridine, is researched, Molecular C22H17N3, CAS is 89972-77-0, about From large 3D assembly to highly dispersed spherical assembly: weak and strong coordination mediated self-aggregation of Au colloids, the main research direction is self assembly gold nanoparticle weak strong coordination bond.Reference of 4-(p-Tolyl)-2,2:6,2-terpyridine.

Distinctly different 3D assemblies of ∼1.6 nm Au nanoparticles are constructed based on weak and strong coordination strategies. Reduction of KAuCl4 with NaBH4 in the presence of newly-synthesized 4-(4-phenylmethanethiol)-2,2′:6′,2”-terpyridine (1) yields functionalized Au nanoparticles which assemble in situ into large 3D aggregates via weak coordination between alkali metal ions and terpyridine attached to separated particles. These assemblies are disassembled into individual nanoparticles via addition of DMF solvent and further reassembled into highly dispersed 3D spherical nanostructures via addition of Co2+ (strong coordination with 1). Wide and small angle XRD measurements show that the assemblies are formed from small Au nanoparticles, consistent with TEM results. It is significant that the large aggregates formed in situ can be directly transformed into nearly monodispersed 3D spherical assemblies via strong coordination (with Co2+), presenting the first example of a direct transformation of one 3D nanonetwork into another distinctly different 3D nanonetwork. The controlled assembly and disassembly processes are accompanied by distinct shifts in the surface plasmon resonance.

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Metal catalyst and ligand design,
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HPLC of Formula: 89972-77-0. 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: 4-(p-Tolyl)-2,2:6,2-terpyridine, is researched, Molecular C22H17N3, CAS is 89972-77-0, about DNA binding property, nuclease activity and cytotoxicity of Zn(II) complexes of terpyridine derivatives. Author is Jiang, Qin; Zhu, Jianhui; Zhang, Yangmiao; Xiao, Nan; Guo, Zijian.

Two zinc(II) terpyridine complexes Zn(atpy)2(PF6)2 (1) (atpy = 4′-p-N9′-adeninylmethylphenyl-2,2′:6,2″”-terpyridine) and Zn(ttpy)2(PF6)2 (2) (ttpy = 4′-p-tolyl-2,2′:6,2″”-terpyridine) were synthesized and characterized by elemental anal., 1H NMR and electrospray mass spectrometry. The structure of complex 2 was also determined by x-ray crystallog., which revealed a ZnN6 coordination in an octahedral geometry with two terpyridine acting as equatorial ligands. The CD data showed that complex 1 exhibited an ICD signal at ∼300 nm and induced more evident disturbances on DNA base stacking than complex 2, reflecting the impact of the adenine moiety on DNA binding modes. Complex 1 exhibited higher cleavage activity to supercoiled pUC 19 DNA than complex 2 under aerobic conditions, suggesting a promotional effect of adenine moiety in DNA nuclease ability. Both complexes demonstrated potent in vitro cytotoxicity against a series of human tumor cell lines such as human cervix carcinoma cell line (HeLa), human liver carcinoma cell line (HepG2), human galactophore carcinoma cell line (MCF-7) and human prostate carcinoma cell line (pc-3). The cytotoxicity is approx. 10 times more active than the anticancer drug cisplatin.

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Metal catalyst and ligand design,
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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 4-(p-Tolyl)-2,2:6,2-terpyridine( cas:89972-77-0 ) is researched.Product Details of 89972-77-0.Wang, Song; Li, Bao-Ding; Wang, Rui-Ying; Wu, Ben-Lai; Zhang, Hong-Yun published the article 《Synthesis and Crystal Structure of A Novel Mixed-valent Tri-copper Complex of 4′-p-Tolyl-2,2′:6′,2′-terpyridine》 about this compound( cas:89972-77-0 ) in Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry. Keywords: copper tolylterpyridine chloro complex solvothermal preparation crystal structure. Let’s learn more about this compound (cas:89972-77-0).

Two copper complexes of 4′-p-tolyl-2,2′:6′,2′-terpyridine (ttpy), namely, monomer [CuII(ttpy)Cl2] (1) and trinuclear complex [CuII(ttpy)Cl2]. [CuIICuI(ttpy)Cl3] (2), were prepared through solvothermal synthesis and structurally determined by single crystal x-ray diffraction. Compound 1 obtained by another way before was firstly solvothermally synthesized and structurally studied herein. In 1 metal center Cu2+ ligated by a ttpy mol. and two chloride ions is in a distorted square pyramidal geometry. However, complex 2 is a novel mixed-valent tri-copper complex which contains a monomeric [CuII(ttpy)Cl2] part being very similar to 1, and a mixed-valent chloride-bridged di-nuclear [CuIICuI(ttpy)Cl3] part, presented interesting co-crystallization behavior.

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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI