Articles with "platinum complexes" as a keyword



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DNA interaction and cleavage studies of ancillary chiral ligand and N,N-donor ligands coordinated platinum(II) complexes

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Published in 2017 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.3868

Abstract: Four new platinum(II) complexes [Pt(dpen)(bpy)](ClO4)2 (1), [Pt(dpen)(phen)](ClO4)2 (2), [Pt(dpen)(dpq)](ClO4)2 (3) and [Pt(dpen)(dppz)](ClO4)2 (4) comprising of different N,N-donor ligands, viz., 2,2′-bipyridine (bpy), 1,l0-phenanthroline (phen), dipyridoquinoxaline (dpq), dipyrido-[3,2-d:2¢,3¢-f–phenazine] (dppz), and chiral ancillary ligand 1R,2R-1,2-diphenylethylenediamine (dpen) have been… read more here.

Keywords: dna; donor ligands; ligand; interaction ... See more keywords
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Spectral, crystallographic, theoretical and antibacterial studies of palladium(II)/platinum(II) complexes with unsymmetric diphosphine ylides

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Published in 2018 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.4658

Abstract: The reaction of alpha-keto-stabilized diphosphine ylides [Ph2P(CH2)(n)PPh2C(H)C(O)C6H4-p-CN] (n = 1 (Y-1); n = 2 (Y-2)) with dibromo(1,5-cyclooctadiene) palladium(II)/platinum(II) complexes, [Pd/PtBr2(cod)], in equimolar ratio gave the new cyclometalated Pd(II) and Pt(II) complexes [Br2Pd(kappa(2)-Y-1)] (1), [Br2Pt(kappa(2)-Y-1)] (2),… read more here.

Keywords: palladium platinum; spectral crystallographic; diphosphine ylides; platinum complexes ... See more keywords
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Noncovalent Axial I⋅⋅⋅Pt⋅⋅⋅I Interactions in Platinum(II) Complexes Strengthen in the Excited State

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Published in 2021 at "Chemphyschem"

DOI: 10.1002/cphc.202100468

Abstract: Abstract Coordination compounds of platinum(II) participate in various noncovalent axial interactions involving metal center. Weakly bound axial ligands can be electrophilic or nucleophilic; however, interactions with nucleophiles are compromised by electron density clashing. Consequently, simultaneous… read more here.

Keywords: state; excited state; interactions platinum; noncovalent axial ... See more keywords
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N-Heterocyclic Carbene Platinum Complexes: A Big Step Forward for Effective Antitumor Compounds

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Published in 2019 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.201900960

Abstract: The discovery of cisplatin is an important milestone in the history of successful anti-cancer drugs. This is also a notable example of the translational scientific achievement that remains a driving force in multidisciplinary research. The… read more here.

Keywords: carbene platinum; platinum complexes; chemistry; heterocyclic carbene ... See more keywords
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Enhancement of Chiroptical Responses of trans-Bis[(β-iminomethyl)naphthoxy]platinum(II) Complexes with Distorted Square Planar Coordination Geometry.

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Published in 2022 at "ChemistryOpen"

DOI: 10.1002/open.202200061

Abstract: Invited for this month's cover picture are the groups of Masahiro Ikeshita and Takashi Tsuno at Nihon University and Yoshitane Imai at Kindai University (Japan). The cover picture shows the comparison of circularly polarized luminescence… read more here.

Keywords: platinum complexes; square planar; geometry; enhancement chiroptical ... See more keywords
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A theoretical research on intersystem crossing, radiative and nonradiative rates of cyclometalated platinum(II) complexes

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Published in 2019 at "Theoretical Chemistry Accounts"

DOI: 10.1007/s00214-019-2466-6

Abstract: A series of cyclometalated platinum(II) complexes with similar molecular structures but distinct phosphorescence quantum yields were investigated. To explore the intersystem crossing (ISC) and radiative decay processes, we investigated the absorption and phosphorescence properties, spin–orbit… read more here.

Keywords: intersystem crossing; platinum complexes; cyclometalated platinum; decay ... See more keywords
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Synthesis and crystal structures of phenylalanine ester-introduced palladium(II) and platinum(II) complexes and their cytotoxicities

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Published in 2018 at "Research on Chemical Intermediates"

DOI: 10.1007/s11164-018-3623-6

Abstract: Abstract Phenylalanine ester-introduced palladium(II) and platinum(II) complexes were synthesized. Taking advantage of the formation of Schiff bases by amino acids as an intermediate, the pyridylimine moiety coordinated to a metal center. Single crystals of each… read more here.

Keywords: ester introduced; palladium platinum; introduced palladium; phenylalanine ester ... See more keywords
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Mechanochemical synthesis of platinum(IV) complexes with N-heterocyclic carbenes

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Published in 2018 at "Russian Chemical Bulletin"

DOI: 10.1007/s11172-018-2321-2

Abstract: A new method for the synthesis of complexes PtIV(NHC)X4L (NHC is N-heterocyclic carbene of imidazole or benzimidazole series; X = Cl, Br; L is N-coordinated pyridine or NHC) based on mechanochemical oxidation of complexes PtII(NHC)X2L… read more here.

Keywords: platinum complexes; heterocyclic carbenes; mechanochemical synthesis; complexes heterocyclic ... See more keywords
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New bio-sensitive and biologically active single crystal of pyrimidine scaffold ligand and its gold and platinum complexes: DFT, antimicrobial, antioxidant, DNA interaction, molecular docking with DNA/BSA and anticancer studies.

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Published in 2018 at "Bioorganic chemistry"

DOI: 10.1016/j.bioorg.2018.08.006

Abstract: Novel gold and platinum complexes [AuL2]·Cl, 1 and [PtL2]·2Cl, 2 with ligand, 2-methoxy-6-((2-(4-(trifluoromethyl)pyrimidin-2-yl)hydrazono)methyl)phenol (HL) have been synthesized and screened for their antimicrobial, antioxidant, DNA binding and anticancer (in vitro) activities. The single crystal of ligand… read more here.

Keywords: antimicrobial antioxidant; dna; ligand; single crystal ... See more keywords
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Cytotoxic activity and influence on acetylcholinesterase of series dinuclear platinum(II) complexes with aromatic nitrogen-containing heterocyclic bridging ligands: Insights in the mechanisms of action.

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Published in 2021 at "Chemico-biological interactions"

DOI: 10.1016/j.cbi.2021.109708

Abstract: Herein, the stability, lipophilicity, in vitro cytotoxicity, and influence on acetylcholinesterase of five dinuclear platinum(II) complexes with the general formula [{Pt(en)Cl}2(μ-L)]2+ (L is a different aromatic nitrogen-containing heterocyclic bridging ligands pyrazine (pz, Pt1), pyridazine (pydz,… read more here.

Keywords: dinuclear platinum; acetylcholinesterase; aromatic nitrogen; platinum complexes ... See more keywords
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Tetradentate platinum(II) complexes: Synthesis, photophysical properties, liquid crystalline characteristics and charge transport behaviour

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Published in 2019 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2019.01.026

Abstract: Abstract Three new tetradentate phosphorescent Pt(II) complexes (Pt6, Pt12 and Pt16) with half-disc molecule structure were designed and synthesized, which are based on tetradentate ligands with six alkoxyl chains on the periphery, (6,6′-bis((3′,4′,5′-alkoxy-[1,1′-biphenyl]-4-yl)oxy)-2,2′-bipyridine). All complexes… read more here.

Keywords: platinum complexes; tetradentate platinum; charge transport; liquid crystalline ... See more keywords