Category: 14389-12-9

Name: 5-(4-Pyridyl)-1H-tetrazole. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 5-(4-Pyridyl)-1H-tetrazole, is researched, Molecular C6H5N5, CAS is 14389-12-9, about In-situ hydrothermal preparation of a novel 3D CuI-based tetrazole coordination polymer with pseudo-porphyrin secondary building units. Author is Dong, Dapeng; Yu, Naisen; Cong, Yan; Zhao, Ying; Zhao, Haiyan; Liu, Dedi; Li, Zhenghua; Liu, Jia; Liu, Dongping.

A novel 3-dimensional CuI-based tetrazole coordination polymer through the employment of in-situ solvothermal techniques by using 4-cyanopyridine, NaN3 and CuI, [Cu5(L)3I2] (1) (HL = 5-(4-pyridyl)-1H-tetrazole) was synthesized and structurally characterized by x-ray single-crystal diffraction as well as by powder X-ray diffraction, elemental anal. and TGA. In compound 1, each CuN3I tetrahedron, CuN2I2 tetrahedron and CuN3 triangle are linked to each other by L ligand to form a 3-dimensional framework structure. It is interesting to note that the interconnection of Cu1 and Cu2 ions by bridging L ligand form pseudo-porphyrin secondary building units. Surface photovoltage, field-induced surface photovoltage and luminescent properties of compound 1 also were studied.

There is still a lot of research devoted to this compound(SMILES：C1(C2=NN=NN2)=CC=NC=C1)Name: 5-(4-Pyridyl)-1H-tetrazole, and with the development of science, more effects of this compound(14389-12-9) can be discovered.

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. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 5-(4-Pyridyl)-1H-tetrazole, is researched, Molecular C6H5N5, CAS is 14389-12-9, about A rapid and green synthetic approach for hierarchically assembled porous ZnO nanoflakes with enhanced catalytic activity. Author is Sinhamahapatra, Apurba; Giri, Arnab Kanti; Pal, Provas; Pahari, Sandip Kumar; Bajaj, Hari C.; Panda, Asit Baran.

Three dimensionally (3D) assembled hierarchical porous ZnO structures are of key importance for their applications in sensors, lithium-ion batteries, solar cells and in catalysis. Here, the controlled synthesis of 3D hierarchically porous ZnO architectures constructed of two dimensional (2D) nano-sheets through the calcination of a hydrozincite [Zn5(CO3)2(OH)6] intermediate is presented. The intermediate 3D hierarchical hydrozincite has been synthesized by a novel organic surfactant and solvent free aqueous protocol at room temperature using an aqueous solution of ammonium carbonate and laboratory grade bulk ZnO in a short time (20-30 min). The amount of carbonate and the reaction temperature play a crucial role in the formation of the 3D hierarchical morphol. and on the basis of the exptl. results a probable reaction mechanism is proposed. On calcination, the synthesized 3D hierarchical hydrozincite resulted in ZnO with an almost identical morphol. to the parental hydrozincite. On decomposition a porous structure having a surface area of 44 M2 g-1 is obtained. The synthesized hierarchical ZnO morphol. exhibits an improved catalytic activity for the synthesis of 5-substituted-1H-tetrazoles with different nitriles and sodium azide than that of nanocrystalline ZnO and bulk ZnO, as well as other developed solid catalysts. The catalyst is easily recyclable without a significant loss in catalytic activity.

There is still a lot of research devoted to this compound(SMILES：C1(C2=NN=NN2)=CC=NC=C1)COA of Formula: C6H5N5, and with the development of science, more effects of this compound(14389-12-9) can be discovered.

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

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.Patil, Dipak R.; Wagh, Yogesh B.; Ingole, Pravin G.; Singh, Kripal; Dalal, Dipak S. researched the compound: 5-(4-Pyridyl)-1H-tetrazole( cas:14389-12-9 ).Application In Synthesis of 5-(4-Pyridyl)-1H-tetrazole.They published the article 《β-Cyclodextrin-mediated highly efficient [2+3] cycloaddition reactions for the synthesis of 5-substituted 1H-tetrazoles》 about this compound( cas:14389-12-9 ) in New Journal of Chemistry. Keywords: nitrile sodium azide cycloaddition cyclodextrin catalyst; tetrazole preparation environmentally benign chem. We’ll tell you more about this compound (cas:14389-12-9).

A β-cyclodextrin-promoted [2+3] cycloaddition reaction between nitriles and NaN3 in the presence of NH4Cl in DMF at 120 °C was reported, affording various 5-substituted 1H-tetrazoles in good to excellent yields in short reaction times. The presence of β-cyclodextrin renders the formation of a precipitate-like gel in the reaction media when heated. No precipitation occurs in the absence of NaN3 and NH4Cl. The precipitation responses with other salts such as LiCl and NiCl2 were weaker than with NH4Cl. In the present paper the application of supramol. aggregates was reported for the [2+3] cycloaddition reaction. β-cyclodextrin could be recovered and reused without any significant loss of activity.

From this literature《β-Cyclodextrin-mediated highly efficient [2+3] cycloaddition reactions for the synthesis of 5-substituted 1H-tetrazoles》,we know some information about this compound(14389-12-9)Application In Synthesis of 5-(4-Pyridyl)-1H-tetrazole, 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

Application In Synthesis of 5-(4-Pyridyl)-1H-tetrazole. 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 Synthesis and reactivity of a new Fe(II) 5-(4-pyridyl)-tetrazolate complex and X-ray structure of its doubly protonated derivative..

The synthesis of the new Fe(II) complex [CpFe(CO)2(N4C-C5H4N)] (2) is described. Proton and 13C-NMR spectroscopy data of (2) indicate interannular conjugation in the pyridyl-tetrazolate ligand, implying coplanarity between the two rings. Addition of electrophiles to 2 gave cationic complexes such as [CpFe(CO)2(4-MeN4C-C5H4N)][O3SCF3] (3), [CpFe(CO)2(4-HN4C-C5H4N)][O3SCF3] (4) and the doubly protonated complex [CpFe(CO)2(4-HN4C-C5H4N-H)][O3SCF3]2 (5). For example 2 reacted with CH3OSO2CF3 in CH2Cl2 at -50 °C to give 3 in 70% yield. In all cases, the out-of-plane rotation of the pyridyl ring occurred as a consequence of the quaternization of the N-4 of tetrazole ring. X-ray structure of complex 5 indicates a torsion angle of 20.9(2)° between the aromatic rings (space group = P21/n ; a = 15.3345(7), b = 8.3672(4), c = 18.725(1) ; Z = 4). Protonation reactions are reversible and complexes 4-5 were easily converted into the starting complex 2 by addition of a base.

From this literature《Synthesis and reactivity of a new Fe(II) 5-(4-pyridyl)-tetrazolate complex and X-ray structure of its doubly protonated derivative.》,we know some information about this compound(14389-12-9)Application In Synthesis of 5-(4-Pyridyl)-1H-tetrazole, 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

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.Zanarini, Simone; Bard, Allen J.; Marcaccio, Massimo; Palazzi, Antonio; Paolucci, Francesco; Stagni, Stefano researched the compound: 5-(4-Pyridyl)-1H-tetrazole( cas:14389-12-9 ).Safety of 5-(4-Pyridyl)-1H-tetrazole.They published the article 《Ruthenium(II) Complexes Containing Tetrazolate Group: Electrochemiluminescence in Solution and Solid State》 about this compound( cas:14389-12-9 ) in Journal of Physical Chemistry B. Keywords: ruthenium bipyridine terpyridine tetrazolate electrochemiluminescence phosphorescence. We’ll tell you more about this compound (cas:14389-12-9).

The authors report the results about the solution and solid-state phosphorescence emission properties of six RuII complexes containing various 5-substituted tetrazolate ligands. The photo- and electrochemiluminescence spectra of all compounds revealed a red shifted emission with respect to the Ru(bpy)32+. Significant changes to the light emission energy and to the efficiency and sensitivity to oxygen were also determined by varying the nature of the substituent ring of the tetrazolate ligand. Light-emitting solid devices with active layers containing solid films of the same complexes were prepared, and preliminary studies of their electroinduced emission properties were performed. The electrochemiluminescence (ECL) emission intensity of two of the six complexes was of the same order of magnitude as the reference Ru(bpy)32+.

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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

Computed Properties of C6H5N5. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 5-(4-Pyridyl)-1H-tetrazole, is researched, Molecular C6H5N5, CAS is 14389-12-9, about A Rare 3D Porous Inorganic-Organic Hybrid Polyoxometalate Framework Based on a Cubic Polyoxoniobate-Cupric-Complex Cage with a High Water Vapor Adsorption Capacity. Author is Zhu, Zeng-Kui; Lin, Ya-Yun; Lin, Li-Dan; Li, Xin-Xiong; Sun, Yan-Qiong; Zheng, Shou-Tian.

A rare 3D porous inorganic-organic polyoxoniobate framework based on the cubic polyoxoniobate-cupric-complex cage {[Cu(en)2]@{[Cu2(en)2(trz)2]6(Nb68O188)}} (1a), was successfully synthesized by a hydrothermal method. The cubic cages 1a are connected with 4-(tetrazol-5-yl)pyridine to form a 1D pillar-like chain structure, and every 1D pillar-like chain is further linked with four adjacent pillar-like chains by the [Cu(en)2]2+ complex to form a 3D porous inorganic-organic polyoxoniobate framework with 4-connected CdSO4-type topol. To our knowledge, it is the first time that three different types of organic ligands are simultaneously introduced into one polyoxoniobate. This material also exhibits a high vapor adsorption capacity and good ionic conductivity properties. A novel 3D porous inorganic-organic hybrid polyoxometalate framework, H20Cu(en)[Cu(en)2]11{[1a][4-Tzp]}2·22en·130H2O (1; en = ethylenediamine; Htrz = 1,2,4-triazole; 4-Tzp = 4-(tetrazol-5-yl)pyridine, 1a = {[Cu(en)2]@{[Cu2(en)2(trz)2]6(Nb68O188)}}22-), based on the cubic polyoxoniobate-cupric-complex cage 1a was successfully synthesized. The cubic cages 1a are connected by 4-Tzp and a [Cu(en)2]2+ complex to form a 3D framework with 4-connected CdSO4-type topol. Compound 1 contains three different ligands and exhibits a high vapor adsorption capacity and a good ionic conductivity

From this literature《A Rare 3D Porous Inorganic-Organic Hybrid Polyoxometalate Framework Based on a Cubic Polyoxoniobate-Cupric-Complex Cage with a High Water Vapor Adsorption Capacity》,we know some information about this compound(14389-12-9)Computed Properties of C6H5N5, 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

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 pH-dependent synthesis of a cadmium coordination compound from a compound based on Hpytz ligand [Hpytz = 5-(4-pyridyl)tetrazole].

Reactions of CdSO4·6H2O and Hpytz [Hpytz = 5-(4-pyridyl)tetrazole] under high pH values produced a known compound, [Cd(pytz)2(H2O)4]·2H2O (1), which can be used to prepare [Cd(Hpytz)(SO4)(H2O)2] (2) by adjusting the pH to a lower level using H2SO4 under hydrothermal conditions. These compounds were characterized by elemental anal., IR spectroscopy, and single-crystal diffraction. X-ray anal. reveals that 1 features a mononuclear structure, while 2 affords a 1-dimensional polymeric chain structure. Compound 1 displays a 2-dimensional network, while 2 shows a 3-dimensional network by H bonding interactions. Also, the luminescent properties were studied at room temperature in the solid state.

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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

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-(4-Pyridyl)-1H-tetrazole, is researched, Molecular C6H5N5, CAS is 14389-12-9, about Understanding the formation of metal-oxide based inorganic solids: Assessing the influence of tetrazole molecule.Computed Properties of C6H5N5.

The hydrothermal reaction of Cu(II) salt, ammonium heptamolybdate and 4-ptz (5-(4-pyridyl)tetrazole) at different synthetic conditions yields two compounds [Cu(4-Hptz)(Mo2O7)] (1) and [Cu(4-Hptz)2(H2O)3]2[Mo8O26] (2). Both the compounds 1 and 2 were characterized by routine elemental analyses, IR-, thermogravimetric studies and unambiguously characterized by single crystal x-ray crystallog. Compound 1 exhibits a 3-dimensional bimetallic oxide framework, constructed from the tetrazoles and {CuMo2O7} oxide phase. The coordination ability of N atoms in the tetrazole ring makes the ring acting as a template in the formation of {Cu4Mo6O10} rings, made up of [Mo2O7]2- anions and Cu(II) octahedra; the stacking of these {Cu4Mo6O10} rings along crystallog. c axis gave a 3-dimensional bimetallic oxide framework. Compound 2 consists of infinite octamolybdate chains and Cu-tetrazolate complex cation. The formation of oxide phase under hydrothermal conditions is discussed, giving importance of the role of geometry of the tetrazole ring.

There is still a lot of research devoted to this compound(SMILES：C1(C2=NN=NN2)=CC=NC=C1)Computed Properties of C6H5N5, and with the development of science, more effects of this compound(14389-12-9) can be discovered.

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

Safety of 5-(4-Pyridyl)-1H-tetrazole. 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 Synthesis, photophysical and electrochemical investigation of dinuclear tetrazolato-bridged rhenium complexes.

Rhenium binuclear tetrazolylbenzonitrile and tetrazolylpyridine-bridged phenanthroline complexes exhibit emission at 490-560 nm in CH2Cl2 solution both at room temperature and at 77 K. Starting from anionic tetrazole-based ligands, namely, 5-(4′-cyanophenyl)tetrazolate and 5-(4′-pyridyl)tetrazolate, mononuclear and dinuclear complexes of fac-[Re(CO)3(phen)]+ (phen = 1,10-phenanthroline) were prepared and characterized. For the mononuclear complexes, regioselective coordination of the metal fragments on the neg. charged tetrazolato ring is exclusively obtained. Coordination to the benzonitrile and pyridine groups was achieved by previous alkylation of the tetrazole ring. Dinuclear complexes were obtained by treatment of the corresponding mononuclear tetrazole-bound complexes with fac-[Re(CO)3(phen)(THF)]+. The second rhenium fragment coordinated either to the pyridine ring or, in the case of the benzonitrile ligand, to the tetrazole ring. The electrochem. properties were probed in an imidazolium ionic liquid, highlighting reduction processes centered on the phen ligand and oxidation processes localized on the metal. The photophys. properties of the complexes are characterized by phosphorescent emission from triplet metal-to-ligand charge transfer excited states, with trends in the lifetime and quantum yield in qual. agreement with the energy gap law. The two dinuclear complexes show almost superimposable emission profiles: in the 5-(4′-cyanophenyl)tetrazolate-bridged complex, the two metal fragments coordinated to the tetrazole are equivalent and share a pos. charge of +1. On the other hand, the photophys. properties of the 5-(4′-pyridyl)tetrazolate-bridged dinuclear complex suggest energy transfer between the two metal centers.

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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 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, Inorganic Chemistry Communications called A 2D metal-calixarene aggregate involving in situ generated 5-(4-pyridyl)tetrazolate ligand, Author is Hang, Xinxin; Du, Shangchao; Wang, Shentang; Liao, Wuping, which mentions a compound: 14389-12-9, SMILESS is C1(C2=NN=NN2)=CC=NC=C1, Molecular C6H5N5, Related Products of 14389-12-9.

A novel cobalt-thiacalix[4]arene compound, [Co4Cl2(TC4A)(ptz)2]•H2O (H4TC4A = p-tert-butylthiacalix[4]arene; ptz = 5-(4-pyridyl)tetrazolate) was obtained by solvothermal method, in which ptz was in situ-generated by click reaction of 4-cyanopyridine and sodium azide. This compound is featured with some wavelike layer motifs constructed by bridging the shuttlecock-like Co4-TC4A secondary building units (SBUs) with in situ-generated ptz ligands. Magnetic measurement reveals that the cobalt (II) centers exhibit antiferromagnetic interactions.

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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