Category: 14389-12-9

SDS of cas: 14389-12-9. 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-(4-Pyridyl)-1H-tetrazole, is researched, Molecular C6H5N5, CAS is 14389-12-9, about New Cu(II) and Cd(II) coordination polymers employing 5-[N-acetato(4-pyridyl)]tetrazolate as a bridging ligand. Author is Yang, Gao-Wen; Li, Qiao-Yun; Wang, Jun; Yuan, Rong-Xin; Xie, Ji-Min.

Two coordination polymers [Cu(a4-ptz)2·2H2O]n, (1) and [{Cd(a4-ptz)·(H2O)2Cl}·H2O]n (2) (a4-ptz = 5-[N-acetato(4-pyridyl)]tetrazolate) were synthesized and characterized by elemental anal., IR spectroscopy, thermal anal., and X-ray crystal structure anal. Complex 1 exhibits a 2D square grid polymeric structure with dimensions of 1.220 0 nm × 1.220 0 nm. Complex 2 possesses a 1D Z-type polymeric chain, which contains four-membered ring (Cd2Cl2). The thermal stability of complex 2 up to about 280°C (TGA measurement) and their insolubility in common solvents make it a good candidate for potential fluorescent materials.

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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

COA of Formula: C6H5N5. 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-(4-Pyridyl)-1H-tetrazole, is researched, Molecular C6H5N5, CAS is 14389-12-9, about Loading of a Coordination Polymer Nanobelt on a Functional Carbon Fiber: A Feasible Strategy for Visible-Light-Active and Highly Efficient Coordination-Polymer-Based Photocatalysts.

To improve the photocatalytic properties of coordination polymers under irradiation in the visible-light region, coordination polymer nanobelts (CPNB) were loaded on functional carbon synthetic fibers (FCF) through the use of a simple colloidal blending process. The resulting coordination polymer nanobelt loaded functional carbon synthetic fibers composite material (CPNB/FCF) exhibited dramatically improved photocatalytic activity for the degradation of rhodamine B (RhB) under visible-light irradiation Optical and electrochem. methods illustrated the enhanced photocatalytic activity of CPNB/FCF originated from high separation efficiency of photogenerated electrons and holes on the interface of CPNB and FCF, which was produced by the synergy effect between them. In the composite material, the role of FCF could be described as photosensitizer and good electron transporter. For FCF, the number of functional groups on its surface has a significant influence on the photocatalytic performance of the resulting CPNB/FCF composite material, and an ideal FCF carrier was obtained as a highly efficient CPNB/FCF photocatalyst. CPNB/FCF showed outstanding stability during the degradation of rhodamine B (RhB); thus, the material is suitable for use as a photocatalyst in the treatment of organic dyes in water.

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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 5-(4-Pyridyl)-1H-tetrazole( cas:14389-12-9 ) is researched.Safety of 5-(4-Pyridyl)-1H-tetrazole.Sha, Jing-Quan; Sun, Jing-Wen; Wang, Cheng; Li, Guang-Ming; Yan, Peng-Fei; Li, Meng-Ting; Liu, Ming-Yuan published the article 《Syntheses of POM-templated MOFs containing the isomeric pyridyltetrazole》 about this compound( cas:14389-12-9 ) in CrystEngComm. Keywords: silver pyridyltetrazole polyoxometalate template MOF hydrothermal preparation crystal structure; luminescence silver pyridyltetrazole polyoxometalate template MOF. Let’s learn more about this compound (cas:14389-12-9).

By introducing the isomeric pyridyltetrazole into POMs, four POM-templated MOFs compounds, H[Ag6(2-pytz)4(H2O)4][PW12O40]·6H2O (1), [Ag3(3-pytz)2]2[AgPW12O40] (2), H[KAg7(4-pytz)5][SiW12O40] (3), {H[NaAg7(4-pytz)5(H2O)0.5][GeMo12O40]}2 (4) [pytz = 5-(pyridyl) tetrazolate], were hydrothermally synthesized and characterized by routine methods and single-crystal x-ray crystallog. Due to 2-pytz as a bridging linker and chelator, compound 1 displays a 2D MOF with a void (∼19.1 × 8.8 Å), in which the Keggin anions as sandwich templates locate in the adjacent two voids. In 2, 3-pytz as a shorter radiating linker generates a compacted 2D MOF, in which the Keggin anions as chain templates direct the formation of a stair-like MOF. In the isostructural compounds 3 and 4, 4-pytz as the bridging and radiating linkers form 3D covalent MOFs with larger voids (∼25.3 × 12.5 Å), in which the Keggin anions as double-templates occupy the voids in a “”shoulder-to-shoulder”” mode. In addition, the photoluminescence of the compounds were studied.

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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

Product Details of 14389-12-9. 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-(4-Pyridyl)-1H-tetrazole, is researched, Molecular C6H5N5, CAS is 14389-12-9, about A solid-state density functional theory investigation of the effect of metal substitution (Metal = Mn, Cd, Co) on the terahertz spectra of isomorphous molecular metal 5-(4-pyridyl)tetrazolato complexes. Author is Pellizzeri, Steven; Witko, Ewelina M.; Korter, Timothy M.; Zubieta, Jon.

The crystal structure and exptl. terahertz spectroscopy of an isomorphous series [Mn(C6H4N5)2(H2O)4]·2H2O (Mn-4PT), [Co(C6H4N5)2(H2O)4]·2H2O (Co-4PT), and [Cd(C6H4N5)2(H2O)4]·2H2O (Cd-4PT) were compared using solid-state d. functional theory (DFT) simulations. The effect of the central metal atom was studied to determine the influence on the low energy lattice and mol. vibrations exhibited at 10-100 cm-1, known as the terahertz (THz) region. Using solid-state DFT the normal modes of these THz vibrations were determined and the mass and size of the metal center has a large effect in this region. Each complex exhibited common vibrational modes involving whole ligand motion around the central metal atom. These vibrations shift to lower frequencies with a drastic mass increase; however, this trend is reversed with the smaller mass change between the Mn and Co due to the stronger Co-N bond compared to the Mn-N bond.

Here is just a brief introduction to this compound(14389-12-9)Product Details of 14389-12-9, more information about the compound(5-(4-Pyridyl)-1H-tetrazole) is in the article, you can click the link below.

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

Wang, Xiu-Li; Li, Tian-Jiao; Tian, Ai-Xiang; Li, Na; Yang, Yang; Ning, Ya-Li; Hou, Xue published the article 《Influence of N-donor sites in 5-(x-pyridyl)-1H-tetrazole ligands (x = 2, 4) on assembly of polyoxometalate-based compounds modified by multinuclear metal clusters and infinite chains》. Keywords: copper silver pyridyltetrazolate molybdophosphate molybdosilicate preparation structure electrochem photocatalyst; crystal structure copper silver pyridyltetrazolate molybdophosphate molybdosilicate polyoxometalate.They researched the compound: 5-(4-Pyridyl)-1H-tetrazole( cas:14389-12-9 ).Recommanded Product: 14389-12-9. 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:14389-12-9) here.

Through tuning the N-donor site of the pyridyl group in 5-(x-pyridyl)-1H-tetrazole ligands (x = 2, 4), four new Keggin-based compounds, [Cu7(2-ptz)8(OH)2(H2O)2(HPMoVI10MoV2O40)]·4H2O (1), [Cu5(2-ptz)6(HPMoVI10MoV2O40)(H2O)4]·4H2O (2), [Ag6(4-ptz)4(H2SiMo12O40)] (3) and [Ag5(4-ptz)4(H2PMo12O40)]·5H2O (4) (2-ptzH = 5-(2-pyridyl)-1H-tetrazole, 4-ptzH = 5-(4-pyridyl)-1H-tetrazole), were successfully synthesized under hydrothermal conditions and structurally characterized. Compound 1 possesses two kinds of CuII subunits: penta-nuclear clusters and mono-nuclear subunits, which connect with each other to form a one dimensional (1D) stair-like metal-organic chain. The adjacent 1D stair-like chains are further linked by tetradentate Keggin anions to construct a 2D layer. In compound 2, the tetra-nuclear CuII clusters and mono-nuclear CuII subunits construct a 2D metal-organic layer, which is further linked by bidentate Keggin anions to build a 3D framework. In compound 3, the 4-ptz ligand links AgI ions with tetrazole groups to form 1D infinite Ag-ptz chains, which are extended by the pyridyl group of 4-ptz and the tetrazole groups of other 4-ptz mols. to construct a 2D layer. The adjacent 2D layers are further linked by 6-connected Keggin anions to build a 3D framework. In compound 4, the 4-ptz ligands are linked by AgI ions to form 1D infinite Ag-ptz belts. The Keggin anions are linked by AgI ions to construct another infinite inorganic chain, in which each Keggin anion provides six oxygen atoms to coordinate with the AgI ions from adjacent Ag-ptz belts to construct a 2D layer. The roles of the ptz ligands with different N-donor sites in the construction of multinuclear clusters and 1D chains are discussed. The electrochem. and photocatalytic properties of the title compounds were investigated as well.

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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 5-(4-Pyridyl)-1H-tetrazole(SMILESS: C1(C2=NN=NN2)=CC=NC=C1,cas:14389-12-9) is researched.Product Details of 707-61-9. The article 《Porous Nitrogen Rich Cadmium-Tetrazolate Based Metal Organic Framework (MOF) for H2 and CO2 Uptake》 in relation to this compound, is published in Crystal Growth & Design. Let’s take a look at the latest research on this compound (cas:14389-12-9).

The highly porous nitrogen rich metal organic framework [Cd3(4-TP)6] (Cd-4TP-1) was synthesized solvothermally from the predesigned organic building block 4-tetrazole pyridine (4-TP) and Cd(II) as metal center using DMF as solvent. Cd-4TP-1 has a three-dimensional porous architecture where all the binding sites of Cd(II) are exclusively occupied by the nitrogen atoms from the μ2-tetrazolyl group or the pyridyl functionality of the 4-TP ligands. Cd-4TP-1 has Brunauer-Emmett-Teller (BET) and Langmuir surface areas of 472.2 and 728.6 m2/g, resp., and shows 1.1% H2 (77 K) and 2.7 mmol/g CO2 uptake (273 K).

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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

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: 14389-12-9, is researched, SMILESS is C1(C2=NN=NN2)=CC=NC=C1, Molecular C6H5N5Journal, New Journal of Chemistry called Hierarchically porous AlPO-5-based microspheres as heterogeneous catalysts for the synthesis of 5-substituted 1H-tetrazoles via [3+2] cycloaddition, Author is Kong, Dan; Liu, Yanyan; Zhang, Juan; Li, Hongbian; Wang, Xiangyu; Liu, Guangyu; Li, Baojun; Xu, Zheng, the main research direction is tungsten mol sieve preparation WALPO cycloaddition catalyst nitrile azide; tetrazole preparation.Computed Properties of C6H5N5.

The research on the heterogeneous catalytic synthesis of tetrazole derivatives has attracted great attention. In this paper, a tungsten atom-containing AlPO-5 microporous mol. sieve (termed as WAlPO-5) was designed and synthesized by the incorporation of tungsten atoms into the AlPO-5 skeleton with triethylamine as a structure template from pseudoboehmite, H3PO4 and tungstophosphoric acid. The incorporation of tungsten atoms into the AlPO-5 skeleton (aluminophosphate zeolites) has been demonstrated by systematic characterizations. WAlPO-5 can be used as an efficient heterogeneous catalyst for the synthesis of 5-substituted 1H-tetrazoles by [3+2] cycloaddition from nitriles and sodium azide. As a novel heterogeneous catalyst, WAlPO-5 exhibits a high catalytic activity, a superior cycling stability and an excellent substrate applicability. The significant advantages of WAlPO-5, such as the simple procedure and the mild reaction conditions and as an alternative to those corrosive, hazardous and polluting homogeneous catalysts, warrant its potential application in industrial processes. The synthesis of the target compounds was achieved by a reaction of sodium azide with benzonitrile derivatives (aryl nitriles), 4-pyridinecarbonitrile (pyridine derivative). The title compounds thus formed included 5-phenyl-2H-tetrazole derivatives, 4-(2H-tetrazol-5-yl)pyridine.

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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《A Luminescent Rod-Packing Organic-Inorganic Hybrid Framework Based on Copper(I) Cyanide Ribbon and 5-(4-Pyridine)tetrazole Ligand》. Authors are Zhai, Quan-Guo; Chen, Shuang-Qiu; Li, Shu-Ni; Jiang, Yu-Cheng; Hu, Man-Cheng.The article about the compound:5-(4-Pyridyl)-1H-tetrazolecas:14389-12-9,SMILESS:C1(C2=NN=NN2)=CC=NC=C1).Safety of 5-(4-Pyridyl)-1H-tetrazole. Through the article, more information about this compound (cas:14389-12-9) is conveyed.

The hydrothermal reaction of CuCN, K3Fe(CN)6 and 5-(4-pyridine)tetrazole generated a novel three-dimensional organic-inorganic hybrid framework, namely, {Cu3(5PyTAZ)(CN)2}n (1) (5PyTAZ = 5-(4-pyridyl)tetrazolate). X-ray single-crystal diffraction shows that two independent Cu(I) centers are four-coordinate tetrahedral and three-coordinate trigonal geometries, which are connected by μ3-CN groups to form a 1-dimensional [Cu3(CN)2]n inorganic ribbon along the c-axis direction. Each 5PyTAZ ligand links four adjacent inorganic ribbons via its five N-atoms to generate a complex 3-dimensional hybrid structure. If the 1-dimensional Cu(I) cyanide ribbon was regarded as a rod-shape building block, 1 exhibits a simple rod-packing topol. framework. Also, 1 was characterized by x-ray powder diffraction, elemental anal., FTIR, Raman spectra and TG/DTA. Notably, solid-state luminescence measurements indicate that 1 is a potential photoluminescence material.

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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

Recommanded Product: 14389-12-9. 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-(4-Pyridyl)-1H-tetrazole, is researched, Molecular C6H5N5, CAS is 14389-12-9, about Mesoporous ZnS hollow spheres-catalyzed synthesis of 5-substituted 1H-tetrazoles.

A simple and effective method has been developed for the synthesis of 5-substituted 1H-tetrazoles from sodium azide and different nitriles using mesoporous ZnS hollow spheres (MZHSs) as a catalyst. The heterogeneous catalyst MZHSs with high surface area and fine mesoporous structure was synthesized by the simple solvothermal method without using any surfactants. Compared with ZnS synthesized by precipitation method and com. ZnO, MZHSs show excellent catalytic performance with over 85% yield for most nitriles, which also is easy to be separated from the reaction mixture and reused. The MZHSs catalyst is a good candidate to substitute metal salts or other heterogeneous catalyst and has potential values for industry application.

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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

Wang, Cun-Kuan; Li, Xiao-Yan published an article about the compound: 5-(4-Pyridyl)-1H-tetrazole( cas:14389-12-9,SMILESS:C1(C2=NN=NN2)=CC=NC=C1 ).Category: chiral-nitrogen-ligands. 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:14389-12-9) through the article.

The title three-dimensional coordination polymer, [Cu2Cl(C6H4N5)]n, is the product of the hydrothermal reaction of CuCl2·2H2O and 5-(4-pyridyl)-1H-tetrazole (4-Hptz). The two independent CuI ions are coordinated in distorted tetrahedral and distorted trigonal coordination environments. In the unique 5-(4-pyridyl)-1H-tetrazolate ligand, the dihedral angle between the pyridine and tetrazole rings is 17.3 (2)°. Crystallog. data are given.

From this literature《Poly[μ-chlorido-[μ4-5-(4-pyridyl)tetrazolato]dicopper(I)]》,we know some information about this compound(14389-12-9)Category: chiral-nitrogen-ligands, but this is not all information, there are many literatures related to this compound(14389-12-9).

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis