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Journal articles on the topic 'Quinoline N -oxide complexes'

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Published: 5 June 2025

Last updated: 1 August 2025

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1

Yang, Yi-Qiu, Long-Zhi Ke, Gui-Fei Wang, et al. "Synthesis of N-Pyridin-2-ylmethyl and N-Quinolin-2-ylmethyl Substituted Ethane-1,2-diamines." SynOpen 01, no. 01 (2017): 0147–55. http://dx.doi.org/10.1055/s-0036-1590963.

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Two N-(2-(bis(pyridin-2-ylmethyl)amino)ethyl)quinoline-2-carboxamides and two N-(2-(bis(quinolin-2-ylmethyl)amino)ethyl)quinoline-2-carboxamides have been synthesized. These structures contain five nitrogen atoms that can form coordinate bonds with metal ions such as Mn(II) and Fe(II). An additional coordinating bond can be formed between the metal ion and a neutral molecule of nitric oxide (NO). The resultant complexes are potentially useful agents for targeted delivery of NO to in vivo biological sites such as tumors, where the NO is released upon irradiation with long-wavelength light. Init

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2

Dhayalan, Vasudevan, Rambabu Dandela, K. Bavya Devi, and Ragupathy Dhanusuraman. "Synthesis and Applications of Asymmetric Catalysis Using Chiral Ligands Containing Quinoline Motifs." SynOpen 06, no. 01 (2022): 31–57. http://dx.doi.org/10.1055/a-1743-4534.

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AbstractIn the past decade, asymmetric synthesis of chiral ligands containing quinoline motifs, a family of natural products displaying a broad range of structural diversity and their metal complexes, have become the most significant methodology for the generation of enantiomerically pure compounds of biological and pharmaceutical interest. This review provides comprehensive insight on the plethora of nitrogen-based chiral ligands containing quinoline motifs and organocatalysts used in asymmetric synthesis. However, it is confined to the synthesis of quinoline-based chiral ligands and metal co

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3

Koshy, Joyce, V. G. Kumar Das, S. Balabaskaran, S. W. Ng, and Norhanom Wahab. "High In-Vitro Antitumour Activity of Triphenyltin Coumarin 3-Carboxylate and its Coordination Complexes With Monodentate Oxygen Donor Ligands Against the Epstein Barr Virus (EBV)-DNA Positive Raji and the P-388 Murine Leukaemia Cell Lines, and Evidence for the Suppression by Organotin of the Early Antigen Complex in the EBV Lytic Cycle." Metal-Based Drugs 7, no. 5 (2000): 245–51. http://dx.doi.org/10.1155/mbd.2000.245.

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Triphenyltin coumarin-3-carboxylate and its coordination complexes with ethanol, triphenylphosphine oxide, triphenylarsine oxide, diphenylcyclopropenone and quinoline N-oxide exhibited high in vitro cytotoxicity (LC50 values in the range 0.25-3.4 μg/mL) when tested against EBV-DNA positive Raji cells and P-388 leukaemia cells, compared to the standard drug 5-Fluorouracil, which showed LC50 values of 11 and >50 μg/mL, respectively, against these cells. Additional tests performed on the Raji cells incubated with the quinoline N-oxide complex in the presence of the tumour promoters, TPA and so

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4

Andreev, V. P., and A. V. Ryzh�lcov. "Donor-acceptor complexes of quinoline N-oxides with boron trifluoride." Chemistry of Heterocyclic Compounds 30, no. 8 (1994): 938–42. http://dx.doi.org/10.1007/bf01165033.

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5

(Miss), MINATI BARAL, K. KANUNGO B., and PRADHAN B. "Adducts of Nickel(II) with Salicylaldehyde Thiosemicarbazone and Monodentate Ligands." Journal of Indian Chemical Society Vol. 63, Dec 1986 (1986): 1018–20. https://doi.org/10.5281/zenodo.6274725.

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Department of Chemistry, Regional Engineering College, Rourkela-769 COB <em>Manuscript received 7 April 2986, revised 30 September 1986, accepted 13 November 1980</em> A series of complexes of the type Ni(stsc)L, where L=\(\gamma\)-picoline, isoquinoline, pyridine-<em>N</em>-oxide, thiourea, imidazole, and triphenylphosphine, have been isolated by the reaction of nickel(II) salt and the ligands in<em> </em>stoichiometric ratio. The compounds characterised on the basis of analytical, molar conductance, magnetic susceptibility, infrared and electronic spectral data and molecular weight

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6

Mautner, Franz A., Christian Berger, Roland C. Fischer, and Salah S. Massoud. "Synthesis, characterization and luminescence properties of zinc(II) and cadmium(II) pseudohalide complexes derived from quinoline-N-oxide." Inorganica Chimica Acta 439 (January 2016): 69–76. http://dx.doi.org/10.1016/j.ica.2015.10.004.

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7

Tarafder, M. Tofazzal H., Wan M. Z. W. Yunus, and Sidik Silong. "Some Organoperoxo Complexes of Tin(IV)." Australian Journal of Chemistry 50, no. 3 (1997): 229. http://dx.doi.org/10.1071/c96141.

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Some novel organoperoxo complexes of tin were prepared by the oxidative addition of dioxygen with Sn 2+. These are the first reported examples of this kind. The complexes isolated have the compositions [Sn(O2)2.2L], [Sn(O2)2L′], [Sn(O2)L′′2], [Sn(O2)C5H3N(COO)2H2O] and [Sn(O2)2L′′′] (L = pyridine, pyridine N-oxide, triphenylphosphine oxide, aniline; L′ = ethylenediamine, 2-aminopyridine, o-phenylenediamine; L′′ = pyridine-2-carboxylato, 2-aminophenolato, quinolin-8-olato, glycinato; L′′′ = diethylenetriamine and triethylenetetramine). The complexes were characterized by elemental analysis, con

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8

Andreev, V. P., and Ya P. Nizhnik. "Complexes of pyridine and quinoline N-oxides with boron trifluoride: the 1H NMR study." Russian Journal of Coordination Chemistry 33, no. 9 (2007): 692–97. http://dx.doi.org/10.1134/s1070328407090126.

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9

Andreev, V. P., P. S. Sobolev, N. Sh Lebedeva, and V. A. Tafeenko. "Crystal structure of molecular complexes of zinc(II) tetraphenylporphyrin with pyridine and quinoline N-oxides." Russian Journal of General Chemistry 85, no. 4 (2015): 906–10. http://dx.doi.org/10.1134/s1070363215040246.

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10

Christofides, Aristides, and Irene Labrinou. "Synthesis of new cationic rhodium(I) complexes with diolefin and substituted quinoline N-oxides as ligands." Inorganica Chimica Acta 99, no. 2 (1985): 195–97. http://dx.doi.org/10.1016/s0020-1693(00)87968-2.

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11

STIAKAKI, M. A., and A. CHRISTOFIDES. "ChemInform Abstract: Novel Cationic Rhodium(I) Complexes Containing Olefins and Substituted Quinoline N-Oxides as Ligands." ChemInform 22, no. 18 (2010): no. http://dx.doi.org/10.1002/chin.199118247.

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12

Christofides, Aristides. "Synthesis of mixed ligand cationic rhodium(I) complexes with diolefin and substituted quinoline N-oxides as ligands." Inorganica Chimica Acta 133, no. 1 (1987): 29–32. http://dx.doi.org/10.1016/s0020-1693(00)84366-2.

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13

Goto, Yoshinobu, Yoshinobu Tagawa, Kazuya Hama, and Masatomo Hamana. "Electrophilic Reaction of Pyridine, Quinoline, Isoquinoline, Their N-Oxides and Their Boron Trifluoride Complexes through Base-induced Deprotonation." HETEROCYCLES 40, no. 2 (1995): 809. http://dx.doi.org/10.3987/com-94-s71.

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14

TAGAWA, Y., K. HAMA, Y. GOTO, and M. HAMANA. "ChemInform Abstract: Electrophilic Reaction of Pyridine, Quinoline, Isoquinoline, Their N- Oxides and Their Boron Trifluoride Complexes Through Base-Induced Deprotonation." ChemInform 26, no. 29 (2010): no. http://dx.doi.org/10.1002/chin.199529173.

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15

(Miss), MINATI BARAL, K. KANUNGO B., and PRADHAN B. "Mixed Chelate and Ternary Complexes of Nickel(II)." Journal of Indian Chemical Society Vol. 63, Nov 1986 (1986): 942–44. https://doi.org/10.5281/zenodo.6294244.

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Department of Chemistry, Regional Engineering College, Rourkela-769 008 <em>Manuscript received 16 December 1985, revised 2 September 1986, accepted 30 October 1986</em> A series of complexes of the type Ni(AA') (BB'), Ni(AA') (BB')L and Ni(AA') (BB')L,, where AA'=diethyldithio-carbamate (et<sub>2</sub>dtc) ; BB'=acetylacetonate (acac), 8-hydroxy-quinolinate (ox), dimethylglyoximate (ding), pyridinecarboxylate (pyca) ; and L =water or pyridine-<em>N</em>-oxide (pyNO), have been isolated by the reaction of nickel(II) salts with suitable ligands in stoichiometric

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16

Subhankar, Kundu, Sarkar Deblina, Biswas Sujan, Jana Subrata, and Kumar Mondal Tapan. "Ruthenium-triphenylphosphine complex with pendent quinolyl Schiff base ligand : Synthesis, spectral characterization and catalytic property." Journal of Indian Chemical Society Vol. 92, Dec 2015 (2015): 1847–53. https://doi.org/10.5281/zenodo.5599621.

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Inorganic Chemistry Section, Department of Chemistry, Jadavpur University, Kolkata-700 032, India <em>E-mail</em> : tkmondal@chemistry.jdvu.ac.in The <em>cis</em>-(Cl)-[Ru(PMAQ)(PPh<sub>3</sub> )Cl<sub>2</sub> ] (1) (where, PMAQ = 8-{(2´-pyridylmethylene)amino}quinoline) complex has been synthesized and characterized by several spectroscopic techniques. The absorption and emission properties of the complex have been studied. Upon excitation in ILCT band at 331 nm, the complex exhibits emission at 475 nm. The emission decay profile has bi-exponential in nature with life time of 3.98 ns. T

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17

Damude, Leslie C., Philip A. W. Dean, Veeragathy Manivannan, Radhey S. Srivastava, and Jagadese J. Vittal. "Synthesis and multinuclear magnetic resonance study of some tin(IV) complexes of pyridine-2-thiolate and related ligands, and the X-ray structural analysis of Sn(C5H4NS)4•C5H5NS." Canadian Journal of Chemistry 68, no. 8 (1990): 1323–31. http://dx.doi.org/10.1139/v90-204.

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Tin metal reacts with 2,2′-dithiobis (pyridine) in refluxing toluene to give the pyridine-2-thiolate complex Sn(C5H4NS)4, 1a. Multinuclear (77Se, 119Sn) magnetic resonance shows that ligand redistribution occurs in 1a:Sn(EPh)4 (E = S or Se) mixtures to give Sn(EPh)4−x(C5H4NS)x. From the pattern of the 119Sn chemical shifts of these series, compared with that of Sn(EPh)4−x(SR)x (R = simple alkyl or aryl group), the complexes are shown to be five-coordinate Sn(EPh)3(C5H4NS-N,S) when x = 1 and six-coordinate Sn(EPh)4−x(C4H4NS-S)x−2(C5H4NS-N,S)2 when x = 2–4. Reaction of Sn(SPh)2 and (C5H4NS)2 yie

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18

Andreev, V. P., A. V. Ryzhakov, and S. V. Tekanova. "Styryl derivatives of quinoline N-oxide." Chemistry of Heterocyclic Compounds 31, no. 4 (1995): 453–56. http://dx.doi.org/10.1007/bf01177017.

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19

Kalyanasundaram, R., N. S. Navaneetham, and S. Soundararajan. "Lanthanide perchlorate complexes of quinoline-1-oxide and isoquinoline-2-oxide." Proceedings / Indian Academy of Sciences 95, no. 3 (1985): 235–42. http://dx.doi.org/10.1007/bf02864184.

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20

Swift, Hannah, Molly W. Carrig, Kayode D. Oshin, Anastasiya I. Vinokur, John A. Desper та Christopher J. Levy. "Crystal structure of ({(1R,2R)-N,N′-bis[(quinolin-2-yl)methyl]cyclohexane-1,2-diamine}chloridoiron(III))-μ-oxido-[trichloridoferrate(III)] chloroform monosolvate". Acta Crystallographica Section E Crystallographic Communications 73, № 7 (2017): 936–40. http://dx.doi.org/10.1107/s2056989017007952.

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The first FeIIIatom in the solvated title compound, [Fe2Cl4O(C26H28N4)]·CHCl3, adopts a distorted six-coordinate octahedral geometry. It is coordinated by one chloride ligand, four N atoms from the (1R,2R)-N,N′-bis[(quinolin-2-yl)methyl]cyclohexane-1,2-diamine ligand, and a bridging oxido ligand attached to the second FeIIIatom, which is also bonded to three chloride ions. A very weak intramolecular N—H...Cl hydrogen bond occurs. In the crystal, the coordination complexes stack in columns, and a grouping of six such columns create channels, which are populated by disordered chloroform solvent

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21

Geffe, Mario, Dieter Schollmeyer, and Heiner Detert. "4-[2-(Benzylamino)phenyl]-2,6-dimethylquinolineN-oxide." Acta Crystallographica Section E Structure Reports Online 68, no. 4 (2012): o1106. http://dx.doi.org/10.1107/s1600536812011002.

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The title compound, C24H22N2O, was obtained in a two-step procedure from the corresponding 4-(2-iodophenyl)quinoline. The quinoline system is approximately planar [maximum deviation from the least-squares plane = 0.021 (2) Å]. The planes of the quinoline system and the phenyl ring subtend a dihedral angle of 78.08 (8)°. In the crystal, pairs of molecules are connectedviaa center of symmetry and linked by a pair of angular N—H...O hydrogen bond. These dimers form columns oriented along thecaxis.

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22

ANDREEV, V. P., A. V. RYZHAKOV, and S. V. TEKANOVA. "ChemInform Abstract: Styryl Derivatives of Quinoline N-Oxide." ChemInform 27, no. 5 (2010): no. http://dx.doi.org/10.1002/chin.199605167.

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23

Kokkosi, Afroditi, Elpida Garofallidou, Nikolaos Zacharopoulos, et al. "Ruthenium p-Cymene Complexes Incorporating Substituted Pyridine–Quinoline-Based Ligands: Synthesis, Characterization, and Cytotoxic Properties." Molecules 29, no. 13 (2024): 3215. http://dx.doi.org/10.3390/molecules29133215.

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Organometallic complexes of the formula [Ru(N^N)(p-cymene)Cl][X] (N^N = bidentate polypyridyl ligands, p-cymene = 1-methyl-4-(1-methylethyl)-benzene, X = counter anion), are currently studied as possible candidates for the potential treatment of cancer. Searching for new organometallic compounds with good to moderate cytotoxic activities, a series of mononuclear water-soluble ruthenium(II)–arene complexes incorporating substituted pyridine–quinoline ligands, with pending -CH2OH, -CO2H and -CO2Me groups in the 4-position of quinoline ring, were synthesized, for the first time, to study their po

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24

Mori, Masatoshi, Atsushi Namioka, and Takayoshi Suzuki. "Crystal and molecular structures of dichloridopalladium(II) containing 2-methyl- or 2-phenyl-8-(diphenyphosphanyl)quinoline." Acta Crystallographica Section E Crystallographic Communications 77, no. 1 (2021): 52–57. http://dx.doi.org/10.1107/s2056989020016096.

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The crystal structures of dichloridopalladium(II) complexes bearing 2-methyl- and 2-phenyl-8-(diphenylphosphanyl)quinoline, namely, dichlorido[8-(diphenylphosphanyl)-2-methylquinoline-κ2 N,P]palladium(II), [PdCl2(C22H18NP)] (1) and dichlorido[8-(diphenylphosphanyl)-2-phenylquinoline-κ2 N,P]palladium(II), [PdCl2(C27H20NP)] (2), were analyzed and compared to that of the 8-(diphenylphosphanyl)quinoline (PQH) analogue (3). In all three complexes, the phosphanylquinoline moiety acts as a bidentate P,N-donating chelate ligand. In the PQH complex (3), the PdII center has a typical planar coordination

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25

Xu, P., and H. C. Xu. "Electrochemical Deoxygenation of N-Heteroaromatic N-Oxides." Synlett 30, no. 10 (2019): 1219–21. http://dx.doi.org/10.1055/s-0037-1611541.

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An electrochemical method for the deoxygenation of N-heteroaromatic N-oxide to give the corresponding N-heteroaromatics has been developed. Several classes of N-heterocycles such as pyridine, quinoline, isoquinoline, and phenanthridine are tolerated. The electrochemical reactions proceed efficiently in aqueous solution without the need for transition-metal catalysts and waste-generating reducing reagents.

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26

Dong, Daoqing, Yuanyuan Sun, Guanghui Li, Huan Yang, Zuli Wang, and Xinming Xu. "Recent Progress in the Functionalization of Quinoline N-Oxide." Chinese Journal of Organic Chemistry 40, no. 12 (2020): 4071. http://dx.doi.org/10.6023/cjoc202004047.

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27

Dong, Daoqing, Yuanyuan Sun, Guanghui Li, Huan Yang, Zuli Wang, and Xinming Xu. "Recent Progress in the Functionalization of Quinoline N-Oxide." Chinese Journal of Organic Chemistry 40, no. 12 (2020): 4071. http://dx.doi.org/10.6023/cjoc202004047.

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28

Gubarev, Yu A., N. Sh Lebedeva, V. P. Andreev, and G. V. Girichev. "Thermal behavior of quinoline N-oxide hydrates and deuterohydrate." Russian Journal of General Chemistry 79, no. 6 (2009): 1183–90. http://dx.doi.org/10.1134/s1070363209060267.

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29

KURBATOV, YU V., S. N. KASYMOVA, and R. A. TURAEVA. "ChemInform Abstract: Novel Alkoxylation Reaction of Quinoline N-Oxide." ChemInform 24, no. 12 (2010): no. http://dx.doi.org/10.1002/chin.199312173.

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30

Fan, Jing-Yan, Su-Yang Yao, and Bao-Hui Ye. "In Situ Synthesis of Hexadentate Cyclometalated Ir(III) Complexes as Photocatalysts for the Oxidation of Sulfides into Sulfoxides in Water." Inorganics 12, no. 3 (2024): 73. http://dx.doi.org/10.3390/inorganics12030073.

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The aerobic photooxidation of sulfides into sulfoxides in eco-friendly solvents, notably water, at room temperature, represents a significant interest in the domain of synthetic chemistry. This study introduces four highly stable hexadentate Ir(III) complexes: [Ir(fpqen)](PF6) (1), [Ir(btqen)](PF6) (2), [Ir(bmpqen)](PF6) (3), and [Ir(bnqen](PF6) (4) (where bfpqen is N,N′-bis(2-(4-fluorophenyl)quinolin-8-yl)ethane-1,2-diamine, btqen is N,N′-bis(2-(4-tolyl)quinolin-8-yl)ethane-1,2-diamine, bmpqen is N,N′-bis(2-(4-methoxyphenyl)quinolin-8-yl)ethane-1,2-diamine, and bnqen is N,N′-bis(2-naphthylqui

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31

Zhang, Yan, Shiwei Zhang, Guangxing Xu, Min Li, Chunlei Tang, and Weizheng Fan. "Cu-Catalyzed carbamoylation versus amination of quinoline N-oxide with formamides." Organic & Biomolecular Chemistry 17, no. 2 (2019): 309–14. http://dx.doi.org/10.1039/c8ob02844c.

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32

Andreev, V. P. "Molecular complexes of the pyridines and quinolines N-oxides styryl derivatives with the Brønsted-Lowry acids." Russian Journal of General Chemistry 79, no. 4 (2009): 820–25. http://dx.doi.org/10.1134/s1070363209040239.

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33

Wang, Li-Zhi, Yun Chi, Xiang-Xiang Li, and Jian-Ning Guan. "6-[4-(Diphenylamino)phenyl]quinoline 1-oxide." Acta Crystallographica Section E Structure Reports Online 68, no. 8 (2012): o2543. http://dx.doi.org/10.1107/s1600536812031662.

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In the title molecule, C27H20N2O, a triphenylamine derivative of quinoline, the three benzene rings linked through an N atom form a propeller shape, with dihedral angles between the mean planes of pairs of rings of 75.57 (9), 55.68 (9) and 83.66 (9)°. The quinoline ring is essentially planar, with an r.m.s. deviation of the fitted atoms of 0.0155 Å, and forms a dihedral angle of 33.52 (8)° with the benzene ring to which it is bonded. Weak C—H...π interactions are also observed in the crystal structure.

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34

Beyeh, Ngong Kodiah, Rakesh Puttreddy, and Kari Rissanen. "Aromatic N-oxide templates open inclusion and dimeric capsular assemblies with methylresorcinarene." RSC Advances 5, no. 38 (2015): 30222–26. http://dx.doi.org/10.1039/c5ra03667d.

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Multiple weak interactions are manifested in the complexation of pyridine N-oxide and quinoline N-oxide by methylresorcinarene resulting to 1 : 1 assemblies in solution, with 2 : 3 and 2 : 2 host–guest dimeric capsules respectively in the solid state.

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35

Liu, Feng, Yi-Ran Zhu, Lu-Gan Song, and Jian-Mei Lu. "Synthesis of N-heterocyclic carbene–PdCl2–(iso)quinoline complexes and their application in arylamination at low catalyst loadings." Organic & Biomolecular Chemistry 14, no. 8 (2016): 2563–71. http://dx.doi.org/10.1039/c6ob00013d.

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36

Hubel, Roland, Tomas Jelinek, and Wolfgang Beck. "Metal Complexes of Biologically Important Ligands, CXXV [1]. Palladium(II) and Platinum(II) Complexes of Quinine Derivatives and in vitro Tests." Zeitschrift für Naturforschung B 55, no. 9 (2000): 821–33. http://dx.doi.org/10.1515/znb-2000-0906.

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Several quinine substituted derivatives at the C(9)-O position (1 - 7) have been obtained from quinine and N-protected glycine chloride, chlorocarbonyl ferrocene, phenylisocyanate, dicarboxylic acid dichlorides or trimesinic trichloride. From these only the glycine derivative 1 showed significant antimalarial activity in in vitro tests against Plasmodium falciparum isolates. The quinine derivatives were used as ligands and from chloro bridged palladium and platinum complexes Cl(R3P)M(μ-Cl)2M(PR3)Cl (M = Pd, Pt) di-, tri-, tetra- and hexametallic compounds 8-21 with coordination both of the ali

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37

Ovcharenko, V. I., O. N. Chupakhin, I. S. Kovalev, E. V. Tretyakov, G. V. Romanenko, and D. V. Stass. "S N H Reaction of lithiated nitronyl nitroxide with quinoline N-oxide." Russian Chemical Bulletin 57, no. 10 (2008): 2227–29. http://dx.doi.org/10.1007/s11172-008-0309-z.

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38

Dritsopoulos, Alexandros, Nikolaos Zacharopoulos, Aigli-Eleonora Peyret, et al. "Ruthenium-p-Cymene Complexes Incorporating Substituted Pyridine–Quinoline Ligands with –Br (Br-Qpy) and –Phenoxy (OH-Ph-Qpy) Groups for Cytotoxicity and Catalytic Transfer Hydrogenation Studies: Synthesis and Characterization." Chemistry 6, no. 4 (2024): 773–93. http://dx.doi.org/10.3390/chemistry6040046.

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Organometallic ruthenium complexes with p-cymene = 1-methyl-4-(1-methylethyl)-benzene and N^N = bidentate polypyridyl ligands constitute interesting candidates with biological and catalytic properties. Towards this aim, we have synthesized four ruthenium(II)–arene complexes of the type [Ru(η6-p-cymene)(N^N)Cl][X] (N^N = Br-Qpy = 6-bromo-4-phenyl-2-pyridin-2-yl-quinoline, X = Cl− (1a); PF6− (1b); N^N = OH-Ph-Qpy = 4-(4-phenyl-2-(pyridin-2-yl)quinolin-6-yl)phenol, X = Cl− (2a); PF6− (2b)). This is the first report of ruthenium(II) p-cymene complexes incorporating substituted pyridine–quinoline l

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39

Dolengovski, Egor L., Tatyana V. Gryaznova, Oleg G. Sinyashin, Elena L. Gavrilova, Kirill V. Kholin, and Yulia H. Budnikova. "Morpholine Radical in the Electrochemical Reaction with Quinoline N-Oxide." Catalysts 13, no. 9 (2023): 1279. http://dx.doi.org/10.3390/catal13091279.

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An electrochemical reaction between quinoline N-oxides and morpholine was developed by using Cu(OAc)2 as a catalyst, generating products of 4-aminoquinoline N-oxides in CH2Cl2 or 2-aminoquinoline N-oxides in CH3CN in good yields. With an increase in the amount of electricity passed, the product deoxygenates with the formation of aminoquinolines. The advantages of the reaction are mild conditions, room temperature, the use of morpholine rather than its derivatives, and the ability to control the process when the electrolysis conditions change. Bisubstituted quinoline has also been obtained. The

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40

Frey, Steven T., Jasper G. Ballot, Allison Hands, et al. "Geometrical variations of two manganese(II) complexes with closely related quinoline-based tripodal ligands." Acta Crystallographica Section E Crystallographic Communications 77, no. 10 (2021): 982–88. http://dx.doi.org/10.1107/s2056989021009786.

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Structural analyses of the compounds di-μ-acetato-κ4 O:O′-bis{[2-methoxy-N,N-bis(quinolin-2-ylmethyl)ethanamine-κ4 N,N′,N′′,O]manganese(II)} bis(tetraphenylborate) dichloromethane 1.45-solvate, [Mn2(C23O2)2(C23H23N3O)2](C24H20B)·1.45CH2Cl2 or [Mn(DQMEA)(μ-OAc)2Mn(DQMEA)](BPh4)2·1.45CH2Cl2 or [1](BPh4)2·1.45CH2Cl2, and (acetato-κO)[2-hydroxy-N,N-bis(quinolin-2-ylmethyl)ethanamine-κ4 N,N′,N′′,O](methanol-κO)manganese(II) tetraphenylborate methanol monosolvate, [Mn(CH3COO)(C22H21N3O)(CH3OH)](C24H20B)·CH3OH or [Mn(DQEA)(OAc)(CH3OH)]BPh4·CH3OH or [2]BPh4·CH3OH, by single-crystal X-ray diffraction r

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41

Keller, Sarah, Murat Alkan-Zambada, Alessandro Prescimone, Edwin C. Constable та Catherine E. Housecroft. "Extended π-Systems in Diimine Ligands in [Cu(P^P)(N^N)][PF6] Complexes: From 2,2′-Bipyridine to 2-(Pyridin-2-yl)Quinoline". Crystals 10, № 4 (2020): 255. http://dx.doi.org/10.3390/cryst10040255.

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We describe the synthesis and characterization of [Cu(POP)(1)][PF6], [Cu(POP)(2)][PF6], [Cu(xantphos)(1)][PF6], and [Cu(xantphos)(2)][PF6] in which ligands 1 and 2 are 2-(pyridin-2-yl)quinoline and 2-(6-methylpyridin-2-yl)quinoline, respectively. With 2,2'-bipyridine (bpy) as a benchmark, we assess the impact of the extended π-system on structural and solid-state photophysical properties. The single crystal structures of [Cu(POP)(2)][PF6], [Cu(xantphos)(1)][PF6], and [Cu(xantphos)(2)][PF6] were determined and confirmed a distorted tetrahedral copper(I) coordination environment in each [Cu(P^P)

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42

Mori, Masatoshi, and Takayoshi Suzuki. "Comparison of molecular structures of cis-bis[8-(dimethylphosphanyl)quinoline]nickel(II) and -platinum(II) complex cations." Acta Crystallographica Section E Crystallographic Communications 76, no. 12 (2020): 1813–17. http://dx.doi.org/10.1107/s2056989020014437.

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The crystal structures of the complexes (SP-4-2)-cis-bis[8-(dimethylphosphanyl)quinoline-κ2 N,P]nickel(II) bis(perchlorate) nitromethane monosolvate, [Ni(C11H12NP)2](ClO4)2·CH3NO2 (1), and (SP-4-2)-cis-bis[8-(dimethylphosphanyl)quinoline-κ2 N,P]platinum(II) bis(tetrafluoroborate) acetonitrile monosolvate, [Pt(C11H12NP)2](BF4)2·C2H3N (2), are reported. In both complex cations, two phosphanylquinolines act as bidentate P,N-donating chelate ligands and form the mutually cis configuration in the square-planar coordination geometry. The strong trans influence of the dimethylphosphanyl donor group i

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43

Li, Lei, Xiang Wang, Na Xu, et al. "Four octamolybdate complexes constructed from a quinoline–imidazole–monoamide ligand: structures and electrochemical, photocatalytic and magnetic properties." CrystEngComm 22, no. 48 (2020): 8322–29. http://dx.doi.org/10.1039/d0ce01239d.

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Four octamolybdate-based complexes synthesized by employing N-(quinoline-5-yl)-1H-imidazole-4-carboxamide as a ligand exhibit excellent electrocatalytic activities, photocatalytic properties and antiferromagnetic behavior.

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44

LIMA, F. J. S., L. H. M. da COSTA, A. O. da SILVA, and F. C. PEREIRA. "MOLECULAR ABSORPTION SPECTROSCOPY IN THE UV-VIS REGION FOR THE QUINOLINE-N-OXIDE, NICOTINAMIDE-N-OXIDE AND 2,2-DITHIOBISPYRIDINE-N-OXIDE LIGANDS." Periódico Tchê Química 15, no. 29 (2018): 164–70. http://dx.doi.org/10.52571/ptq.v15.n29.2018.164_periodico29_pgs_164_170.pdf.

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The purpose of this study was to analyze and quantify spectral parameters, the absorption bands, specifically in the uv-visible region of some N-oxide ligands. From the spectra, the area under the absorption band, the molar absorptivity, the integrated absorption coefficient and the oscillator strength by the Gaussian approximation method were calculated for each of them, using the proposed evaluation by Drago and Figgs. According to the obtained results, it can be concluded that the heterocyclic compounds studied absorb very well electromagnetic radiation in the ultraviolet region. For the li

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45

LIMA, F. J. S., L. H. M. COSTA, D. M. AZEVEDO, A. O. SILVA, and F. C. PEREIRA. "PARAMETERS OF MOLECULAR REACTIVITY AND THE CORRELATION WITH MOLAR CONDUCTIVITY OF THE QUINOLINE-N-OXIDE, NICOTINAMIDE-N-OXIDE AND 2,2-DITHIOBISPIRIDINE-N-OXIDE." Periódico Tchê Química 13, no. 26 (2016): 88–96. http://dx.doi.org/10.52571/ptq.v13.n26.2016.88_periodico26_pgs_88_96.pdf.

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Parameters of molecular reactivity (PRMs) it has been used by a group to foresee the reactivity of molecules that can be interesting in the formation of complex systems and introduce capacity potentially electron donors. It has also been used by a group, correlations of PRMs with other physical-chemistries properties as reaction enthalpy, energy-free from Gibbs, and of formation enthalpy. In this work, we made the study of the parameters of molecular reactivity (PRMs) for the molecules: Quinoline-N-Oxide (C9H7NO), Nicotinamide-NOxide (C6H6N2O2), and 2,2-Dithiobispiridine-N-Oxide (C10H8N2O2S2)

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46

Ryzhakov, A. V., Ya P. Nizhnik, and V. P. Andreev. "Molecular complexes of acridine N-oxide." Russian Journal of Electrochemistry 36, no. 6 (2000): 884–86. http://dx.doi.org/10.1007/bf02757450.

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47

Li, Pan, Jingjing Zhao, Chungu Xia, and Fuwei Li. "The development of carbene-stabilized N–O radical coupling strategy in metal-free regioselective C–H azidation of quinoline N-oxides." Organic Chemistry Frontiers 2, no. 10 (2015): 1313–17. http://dx.doi.org/10.1039/c5qo00204d.

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The key regioselective issue of quinoline N-oxide azidation was resolved via the oxidative cross-coupling of carbene-stabilized N–O radicals and TMSN<sub>3</sub>. Compared with the reported azidations, the present metal-free procedure is convenient and regioselective under mild conditions, and could be scaled up to gram-synthesis.

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48

Chi, Nguyen Thi Thanh, Pham Van Thong, Truong Thi Cam Mai, and Luc Van Meervelt. "Mixed natural arylolefin–quinoline platinum(II) complexes: synthesis, structural characterization and in vitro cytotoxicity studies." Acta Crystallographica Section C Structural Chemistry 74, no. 12 (2018): 1732–43. http://dx.doi.org/10.1107/s2053229618015978.

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Five new platinum(II) complexes bearing a eugenol and a quinoline derivative, namely [η2-4-allyl-2-methoxy-1-(propoxycarbonylmethoxy)benzene]-trans-dichlorido(quinoline-κN)platinum(II), [PtCl2(C15H20O4)(C9H7N)], (2), {η2-4-allyl-2-methoxy-1-[(propan-2-yloxy)carbonylmethoxy]benzene}-trans-dichlorido(quinoline-κN)platinum(II), [PtCl2(C15H19O4)(C9H7N)], (3), [η2-4-allyl-2-methoxy-1-(propoxycarbonylmethoxy)benzene]chlorido(quinolin-8-olato-κ2 N,O)platinum(II), [Pt(C9H6NO)Cl(C15H20O4)], (4), {η2-4-allyl-2-methoxy-1-[(propan-2-yloxy)carbonylmethoxy]benzene}chlorido(quinolin-8-olato-κ2 N,O)platinum(I

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49

Xiong, Wenjing, Fanyuan Meng, Caifa You, et al. "Molecular isomeric engineering of naphthyl-quinoline-containing dinuclear platinum complexes to tune emission from deep red to near infrared." Journal of Materials Chemistry C 7, no. 3 (2019): 630–38. http://dx.doi.org/10.1039/c8tc05263h.

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A type of isomeric dinuclear platinum complex of (C^N)<sub>2</sub>Pt<sub>2</sub>(μ-C<sub>8</sub>PhOXT)<sub>2</sub> is synthesized with different C^N isomers of naphthyl-quinoline. These complexes exhibit tunable emission with different emissive efficiencies.

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50

Sarkar, Rupa, Amar Hens, and Kajal Krishna Rajak. "Synthesis, characterization and DFT study of oxorhenium(v) complexes incorporating quinoline based tridentate ligands." RSC Advances 5, no. 20 (2015): 15084–95. http://dx.doi.org/10.1039/c4ra15135f.

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Two mononuclear Re(v) complexes were synthesized using two different O, N, N coordinating Schiff base ligands. The X-ray structure and catalytic properties of the complexes are investigated and the electronic structure and absorption spectra were also calculated.

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