Category: 66-71-7

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 1,10-Phenanthroline, is researched, Molecular C12H8N2, CAS is 66-71-7, about Spectroscopic and optoelectronic investigations of 3,8-bis(3,4-(ethylenedioxy)thien-2-yl)-1,10-phenanthroline, the main research direction is ethylenedioxythien phenanthroline Spectroscopy optoelectronics.Application of 66-71-7.

1,10-Phenanthroline-based luminescent materials play an important role as an excellent class of optoelectronic materials due to their remarkable and novel attributes for optoelectronic applications. There is an enormous demand of luminescent materials in many fields. The foremost objective of this paper is to synthesize fluorescent derivatives of 1,10-phenanthroline. The electronic effect of the substituents on the heteroaromatic ligand has been reviewed in solid state. These ligands were characterized by electrochem. study and spectroscopically. The value of energy band gap is estimated to be 3.0-4.5 eV for synthesized compounds Photophys. features were analyzed through photoluminescence spectrometer, which indicates a strong impact of the substituents on the photoluminescent properties of the phenanthroline ligand. Upon excitation in UV region, intense broad band appeared in emission spectra of synthesized compounds lie in visible region which is further supported by CIE color coordinates. The detailed explanation about the geometry and frontier MOs calculation was carried out with the help of Avogadro and ORCA software.

The article 《Spectroscopic and optoelectronic investigations of 3,8-bis(3,4-(ethylenedioxy)thien-2-yl)-1,10-phenanthroline》 also mentions many details about this compound(66-71-7)Application of 66-71-7, you can pay attention to it, because details determine success or failure

Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

Fu, Pengkun; Li, Yuyan; Qin, Tianrui; Li, Duqingcuo; Shi, Zhan; Xiong, Dingqi; Yang, Qinglin; Zhu, Yanyan; Dong, Xiuyan published an article about the compound: 1,10-Phenanthroline( cas:66-71-7,SMILESS:C1=CC3=C(C2=NC=CC=C12)N=CC=C3 ).Safety of 1,10-Phenanthroline. 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:66-71-7) through the article.

Three new complexes synthesized by hydrothermal method with 4-(3-Carboxy-phenoxy)-phthalic acid (H3L1) and 2-(4-Carboxy-benzyl)-terephthalic acid (H3L2) as main ligands, 1,10-phenanthroline (1,10-phen) 1,4-bis(1-imidazolyl)benzene(dib) and 1,4-di(pyridin-4-yl)benzene (4,4′-bipb) as auxiliary ligands: [Cd3(L1)2(1,10-phen)2·H2O]n (1), [Co(HL2)(dib)(H2O)2]n (2), [Co(HL2)(bipb)]n (3). Single-crystal X-ray diffraction shows that 1 belongs to the monoclinic system and the P-1 space group, 2 belongs to the monoclinic system and the P-1 space group, 3 belongs to the triclinic system and the P21/n space group. Complexes 1-3 are 1-D chain, 2-D network and 3-D structures, resp. Moreover, Hirshfeld surface anal. analyzed the intermol. interaction and surface electron distribution of 1-3. The photoluminescence properties of complex 1 and magnetic, electrochem. properties of complex 3 were studied.

Different reactions of this compound(1,10-Phenanthroline)Safety of 1,10-Phenanthroline require different conditions, so the reaction conditions are very important.

Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 1,10-Phenanthroline, is researched, Molecular C12H8N2, CAS is 66-71-7, about Spectroscopic and optoelectronic investigations of 3,8-bis(3,4-(ethylenedioxy)thien-2-yl)-1,10-phenanthroline, the main research direction is ethylenedioxythien phenanthroline Spectroscopy optoelectronics.Application of 66-71-7.

1,10-Phenanthroline-based luminescent materials play an important role as an excellent class of optoelectronic materials due to their remarkable and novel attributes for optoelectronic applications. There is an enormous demand of luminescent materials in many fields. The foremost objective of this paper is to synthesize fluorescent derivatives of 1,10-phenanthroline. The electronic effect of the substituents on the heteroaromatic ligand has been reviewed in solid state. These ligands were characterized by electrochem. study and spectroscopically. The value of energy band gap is estimated to be 3.0-4.5 eV for synthesized compounds Photophys. features were analyzed through photoluminescence spectrometer, which indicates a strong impact of the substituents on the photoluminescent properties of the phenanthroline ligand. Upon excitation in UV region, intense broad band appeared in emission spectra of synthesized compounds lie in visible region which is further supported by CIE color coordinates. The detailed explanation about the geometry and frontier MOs calculation was carried out with the help of Avogadro and ORCA software.

The article 《Spectroscopic and optoelectronic investigations of 3,8-bis(3,4-(ethylenedioxy)thien-2-yl)-1,10-phenanthroline》 also mentions many details about this compound(66-71-7)Application of 66-71-7, you can pay attention to it, because details determine success or failure

Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

Fu, Pengkun; Li, Yuyan; Qin, Tianrui; Li, Duqingcuo; Shi, Zhan; Xiong, Dingqi; Yang, Qinglin; Zhu, Yanyan; Dong, Xiuyan published an article about the compound: 1,10-Phenanthroline( cas:66-71-7,SMILESS:C1=CC3=C(C2=NC=CC=C12)N=CC=C3 ).Safety of 1,10-Phenanthroline. 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:66-71-7) through the article.

Three new complexes synthesized by hydrothermal method with 4-(3-Carboxy-phenoxy)-phthalic acid (H3L1) and 2-(4-Carboxy-benzyl)-terephthalic acid (H3L2) as main ligands, 1,10-phenanthroline (1,10-phen) 1,4-bis(1-imidazolyl)benzene(dib) and 1,4-di(pyridin-4-yl)benzene (4,4′-bipb) as auxiliary ligands: [Cd3(L1)2(1,10-phen)2·H2O]n (1), [Co(HL2)(dib)(H2O)2]n (2), [Co(HL2)(bipb)]n (3). Single-crystal X-ray diffraction shows that 1 belongs to the monoclinic system and the P-1 space group, 2 belongs to the monoclinic system and the P-1 space group, 3 belongs to the triclinic system and the P21/n space group. Complexes 1-3 are 1-D chain, 2-D network and 3-D structures, resp. Moreover, Hirshfeld surface anal. analyzed the intermol. interaction and surface electron distribution of 1-3. The photoluminescence properties of complex 1 and magnetic, electrochem. properties of complex 3 were studied.

Different reactions of this compound(1,10-Phenanthroline)Safety of 1,10-Phenanthroline require different conditions, so the reaction conditions are very important.

Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

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: 1,10-Phenanthroline, is researched, Molecular C12H8N2, CAS is 66-71-7, about Tridentate acylhydrazone copper(II) complexes with heterocyclic bases as coligands. Synthesis, spectroscopic studies, crystal structure and cytotoxicity assays.Recommanded Product: 66-71-7.

Two new pentacoordinated copper(II) hydrazone coordination compounds with 2,2′-bipyridine (i) or 1,10-phenanthroline (ii) as coligands were synthesized and characterized in the solid state and in solution by spectroscopic methods (FTIR, Raman, UV-visible, EPR). Single crystal x-ray studies show that they have closely related mol. structures with the copper center in a distorted square pyramidal O2N3 environment. The N-acylhydrazone, [4-hydroxy-NN-(E)2-hydroxy-3-methoxybenzylidene]benzohydrazide, H2L, coordinates tridentate through its ONO donor atoms as monoanion (HL-) in the cationic complex (i), [Cu(HL)(bipy)](NO3). During the period that takes the synthesis reaction of compound (ii), [Cu(L)(o-phen)] to complete, keto-amine to enol-imine tautomerization of H2L occurs and the hydrazone coordinates tridentate as dianionic ligand (L2-). The fivefold coordination sphere of the complexes is completed with the nitrogen atoms of the resp. coligands. Cytotoxicity studies against bone (MG-63, IC50(I) = 5.6 ± 1.0, IC50(II) = 3.5 ± 0.3), breast (MCF7, IC50(I) = 10.8 ± 1.9, IC50(II) = 4.0 ± 1.3), (MDA-MB-231, IC50(I) = 11.4 ± 0.6, IC50(II) = 5.3 ± 0.2) and lung cancer cells (A549, IC50(I) = 7.7 ± 0.7, IC50(II) = 7.0 ± 0.4) reveals increased effectiveness of both complexes compared with the free ligand, the copper nitrate salt and the reference metallodrug cisplatin (CDDP).

The article 《Tridentate acylhydrazone copper(II) complexes with heterocyclic bases as coligands. Synthesis, spectroscopic studies, crystal structure and cytotoxicity assays》 also mentions many details about this compound(66-71-7)Recommanded Product: 66-71-7, you can pay attention to it, because details determine success or failure

Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 1,10-Phenanthroline(SMILESS: C1=CC3=C(C2=NC=CC=C12)N=CC=C3,cas:66-71-7) is researched.Recommanded Product: 16004-15-2. The article 《Mixed-Ligand Uranyl Squarate Coordination Polymers: Structure Regulation and Redox Activity》 in relation to this compound, is published in Inorganic Chemistry. Let’s take a look at the latest research on this compound (cas:66-71-7).

The electron-rich squarate ion (C4O42-, SA2-) possesses electronic delocalization over the entire mol. and good redox activity, and the functionalization of metal-organic complexes with the SA2- group is desirable. In this work, a mixed-ligand method is used to construct novel uranyl squarate coordination polymers utilizing 4,4′-bipyridine (bpy), 4,4′-bipyridine-N,N’-dioxide (bpydo), 1,10-phenanthroline (phen), 4,4′-vinylenedipyridine (vidpy), and in situ formed oxalate (OA2-) as ancillary ligands. Seven mixed-ligand uranyl compounds, [(UO2)(OH)(SA)](Hbpy) (1), [(UO2)(H2O)(SA)2](H2bpy) (2), (UO2)(H2O)(SA)(bpydo)·2H2O (3), (UO2)(H2O)(SA)(phen)·H2O (4), (UO2)(OH)(SA)0.5(phen)·H2O (5), [(UO2)(SA)(OA)0.5](Hphen) (6), and [(UO2)(SA)(OA)0.5](Hvidpy) (7), with varying crystal structures were synthesized under hydrothermal conditions. Compound 1, together with bpy mols. filling in the interlayer space as template agents, has a two-dimensional (2D) network structure, while 2 gives a one-dimensional (1D) chain based on mononuclear uranium units. Compound 3 shows a neutral 2D network through the combined linkage of SA2- and bpydo. Both 4 and 5 have a similar chain-like structure due to the capping effect of phen motifs, while phen mols. in 6 act as templating agents after protonation. Similar to 6, compound 7 has a “”sandwich-like”” structure in which the Hvidpy motifs locate in the voids of layers of 2D uranyl-squarate networks. The redox properties of typical mixed-ligand uranyl-squarate compounds, 1, 4, and 5 with high phase purity, are characterized using cyclic voltammetry. All three of these uranyl coordination compounds show anode peaks (Ea) at 0.777, 0.804, and 0.760 V, resp., which correspond to the oxidation process of SA2- → SA. Meanwhile, cathodic peaks (Ec) at -0.328, -0.315, and -0.323 V corresponding to the reduction process of U(VI) → U(V) are also observed The results reveal that all three of these uranyl coordination compounds show good redox activity and, most importantly, the interplay between two different redox-active motifs of SA2- organic linker and uranyl node. This work enriches the library of redox-active uranyl compounds and provides a feasible mixed-ligand method for regulating the synthesis of functional actinide compounds

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Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

Chang, Chih-Yu; Wu, Kuan-Si; Chang, Chun-Ya published an article about the compound: 1,10-Phenanthroline( cas:66-71-7,SMILESS:C1=CC3=C(C2=NC=CC=C12)N=CC=C3 ).Electric Literature of C12H8N2. 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:66-71-7) through the article.

High-performance and long-term stable self-powered photodetectors (PDs) based on methylammonium lead iodide nanowires (NWs) are demonstrated by incorporating n-type conjugated polymer poly{2,5-bis(2-dodecylhexadecyl)-3,6-di(thiophen-2-yl)pyrrolo-[3,4-c]pyrrole-1,4(2H,5H)-dione-alt-(E)-1,2-bis(3-cyanothiophen-2-yl)ethene} (DPP-CNTVT) as multi-functional interfacial layer. Incorporating DPP-CNTVT with abundant Lewis base functional groups can effectively passivate under-coordinated Pb2+ defects, enabling perovskite NWs to exhibit remarkable stability and optoelectronic properties. Meanwhile, high electron mobility, together with the proper energy level of DPP-CNTVT, makes it ideal for use as an electron transport layer. Particularly, by taking advantage of the low bandgap of DPP-CNTVT, the utilization of low energy photons can be improved. The resulting PDs exhibit responsivity up to 0.50 A W-1, specific detectivity approaching 1014 Jones, and a wide linear dynamic range of nearly 265 dB under zero bias operation, which represent the best results ever reported for self-powered perovskite PDs. More encouragingly, with the incorporation of an appropriate encapsulation layer, nearly 90% of the initial detectivity of PDs can be secured after 15 300 h of continuous operation in ambient conditions. The application of NWs PDs for solution-processed reflective-mode pulse oximetry is also demonstrated. This study provides valuable insights into developing efficient and ultra-stable self-powered perovskite PDs through interfacial engineering, which can accelerate the practical applications of this emerging technol.

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Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

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: 66-71-7, is researched, Molecular C12H8N2, about Syntheses, structures and photocatalytic properties of ruthenium(II) complexes supported by a tetradentate cyclen ligand (cyclen = 1,4,7,10-tetraazacyclododecane), the main research direction is tetradentate cyclen tetraazacyclododecane ruthenium nitrogen ligand complex preparation electrochem; crystal mol structure tetraazacyclododecane ruthenium nitrogen ligand complex.Application of 66-71-7.

Treatment of [(cyclen)RuCl(dmso)]Cl (cyclen = 1,4,7,10-tetraazacyclododecane, dmso = dimethylsulfoxide, 1) with zinc powder in the presence of potassium hexafluorophosphate or sodium perchlorate in acetonitrile afforded the cationic complexes [(cyclen)Ru(dmso)(MeCN)]Q2 (Q = PF6 (2), ClO4 (3)). Interaction of 1, zinc powder and 4-tert-butylpyridine or pyridine in the presence of triethylamine and sodium perchlorate gave pyridine-ruthenium(II) complexes Na[(cyclen)Ru(dmso)(4-tBupy)](ClO4)3 (4) and [(cyclen)Ru(py)2](ClO4)2 (5), resp. While reactions of 1, zinc powder and 1,10-phenanthroline (phen) or 5,5′-dimethyl-2,2′-bipyridine (5,5′-Me2bpy) in the presence of triethylamine and potassium hexafluorophosphate gave bipyridine-ruthenium(II) complexes [(cyclen)Ru(phen)](PF6)2 (6) and [(cyclen)Ru(5,5′-Me2bpy)](PF6)2 (7), resp. Complexes 1-7 are characterized by IR, UV/Vis, NMR spectroscopies along with their electrochem. properties. The mol. structures of complexes 1-7 have been established by single-crystal x-ray diffraction. The photocatalytic properties of complexes 6 and 7 with a large π-electron delocalized system for the H2 evolution by water reduction were also investigated in the paper.

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Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

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 Structural, thermal, electronic, vibrational, magnetic, and cytotoxic properties of chloro(glycinato-N,O)(1,10-phenanthroline-N,N’)-copper(II) trihydrate coordination complex, published in 2022-01-31, which mentions a compound: 66-71-7, Name is 1,10-Phenanthroline, Molecular C12H8N2, SDS of cas: 66-71-7.

Chloro(glycinato-N,O)(1,10-phenanthroline-N,N’)-copper(II) trihydrate complex was synthesized through the slow evaporation method. The crystal’s structural, thermal, magnetic, and vibrational properties were obtained by x-ray powder diffraction (XRPD), thermal analyses, magnetization, Raman, and FTIR spectroscopy. XRPD results showed that the crystalline complex belongs to a monoclinic system (P21/n). Thermal analyses revealed that around 333 K, the material undergoes a thermodynamically irreversible process. Magnetic data showed a paramagnetic behavior with weak ferromagnetic interactions. Also, all the Raman- and IR-active bands were assigned from computational calculations based on the d. functional theory (DFT) to analyze intra-mol. vibrational modes. The cytotoxic assay on colorectal cancer cells was performed to evaluate the antitumor activity of this ternary compound Therefore, the antineoplastic activity of [Cu(1,10-phenanthroline)(glycine)Cl]·3H2O complex in HCT-116 cells was confirmed, showing a potent cytotoxic effect.

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Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics

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, Journal of Molecular Structure called Energetic features of antiparallel stacking and hydrogen bonding interactions in two coordination complexes bearing 1,10-phenanthroline-2,9-dicarboxylic acid, Author is Akbari, Mahmood; Mirzaei, Masoud; Saljooghi, Amir Sh; Sadeghzadeh, Samaneh; Lotfian, Nahid; Aghamohammadi, Maral; Notash, Behrouz; Mague, Joel T.; Gomila, Rosa M.; Frontera, Antonio, which mentions a compound: 66-71-7, SMILESS is C1=CC3=C(C2=NC=CC=C12)N=CC=C3, Molecular C12H8N2, HPLC of Formula: 66-71-7.

Two new metal-organic complexes, [Co(phen)(PDA)H2O]·CH3CN·H2O (1), (phen = 1,10-phenanthroline, PDA = 1,10-phenanthroline-2,9-dicarboxylate) and [Ce2(PDA)3(H2O)2]·3H2O (2) have been synthesized and characterized by elemental anal., IR spectroscopy, and single-crystal X-ray crystallog. Structural characterization by single-crystal X-ray diffraction shows that in 1 the cobalt ion forms a discrete seven-coordinated complex with a distorted pentagonal bipyramidal geometry around the metal center. These discrete units are further packed into 3-D supramol. assemblies by different kinds of the noncovalent interactions. Complex 2 consists of a 1D coordination polymeric structure with the cerium ion coordinated by PDA and water in the form of left-handed and right-handed helixes. The extended aromatic systems of PDA and phen have a strong tendency to establish antiparallel π···π stacking interactions generating interesting assemblies in the solid state of 1. They have been studied theor. using DFT calculations and characterized by means of the quantum theory of “”atoms-in-mols.”” (QTAIM) and the noncovalent interaction (NCI) plot methods. This study is useful to understand in more detail the energetic and structural stability of these categories of metal-organic complexes. The results reported herein suggest that the antiparallel π-stacking interactions involving the neutral and, in principle innocent, phen auxiliary ligand are energetically very relevant in the solid state of 1.

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Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics