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Vickie McKee
Dublin City University
Organic chemistryInorganic chemistryChemistryPhotochemistryLigand
356Publications
36H-index
5,297Citations
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Publications 355
Newest
#1Claire DevilleH-Index: 2
Last. Kirsten M. Ø. JensenH-Index: 6
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#1Zaib-un-Nisa (QAU: Quaid-i-Azam University)
#2Muhammad Salman Shabbir (QAU: Quaid-i-Azam University)H-Index: 7
Last. Hammad Ismail (UOG: University of Gujrat)H-Index: 11
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Abstract Two phenol based esters phenyl benzoate (OE1) and 1-naphthyl benzoate (OE2) were synthesized from phenol/1-naphthol and benzoyl chloride respectively. The structural elucidation of the synthesized compounds was accomplished by spectroscopic studies (FTIR, 1H NMR & GC-MS) and single crystal X-ray diffraction analysis. DPPH (2, 2-diphenyl-1-picryl-hydrazyl-hydrate) free radical and hydrogen peroxide activities were performed to evaluate the antioxidant capabilities of the synthesized este...
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#1Muhammad Sirajuddin (University of Science and Technology)H-Index: 15
#2Saqib Ali (QAU: Quaid-i-Azam University)H-Index: 30
Last. Abdul Matin (Majmaah University)H-Index: 1
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Abstract This article focus on the synthesis of three 5-coordinated Sn(IV) complexes based on carboxylate ligand: 4-((4-methoxy-2-nitrophenyl)amino)-4-oxobutanoic acid. The complexes were characterized in both solid state (FT-IR, single crystal XRD and micro elemental analysis) as well as in solution state (1H, 13C and 119Sn NMR) and their results demonstrate that the carboxylate moiety of the ligand is linked with Sn atom. A 5-coordinated trigonal bipyramidal structure was obtained from crystal...
1 CitationsSource
13C solid-state MAS NMR spectra of a series of paramagnetic metal acetylacetonate complexes; [VO(acac)2] (d1, S = ½), [V(acac)3] (d2, S = 1), [Ni(acac)2(H2O)2] (d8, S = 1), and [Cu(acac)2] (d9, S = ½), were assigned using modern NMR shielding calculations. This provided a reliable assignment of the chemical shifts and a qualitative insight into the hyperfine couplings. Our results show a reversal of the isotropic 13C shifts, δiso(13C), for CH3 and CO between the d1 and d2 versus the d8 and d9 ac...
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#1Dimitris Matiadis (NTUA: National Technical University of Athens)H-Index: 5
#2Dimitrios Tsironis (NTUA: National Technical University of Athens)H-Index: 1
Last. John Markopoulos (UoA: National and Kapodistrian University of Athens)H-Index: 16
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Abstract The steady rise of the antimicrobial resistance is a major global threat to human health that requires the urgent need for novel antibiotics. In this work we report the synthesis of a small library of 3-subsituted-5-arylidene tetramic acids in order to investigate the scope of our previously established methodology via an intermediate oxazolone and their antimicrobial activity. From this series of 14 tetramic acids, 11 derivatives are novel and one of them is a Schiff base, which was st...
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#1Hande Pekbelgin Karaoğlu (ITU: Istanbul Technical University)H-Index: 2
#2Armağan Atsay (ITU: Istanbul Technical University)H-Index: 6
Last. Ahmet Gül (ITU: Istanbul Technical University)H-Index: 50
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Abstract Two new phthalonitriles 1 and 2, extended with biphenylethynyl and diphenylacetylenyl, were synthesized through a combination of Corey-Fuchs and palladium-catalyzed Sonogashira coupling reactions. The structures of 1 and 2 were revealed through single-crystal X-ray analysis. Cyclotetramerization of these phthalonitriles led to the corresponding 1,4,8,11,15,18,22,25-octabutoxy-2,3,9,10,16,17,23,24-octakis(biphenyl) and (diphenylacetylenyl) phthalocyanines. The longer substituent, namely ...
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#1Zara MolphyH-Index: 6
#2Vickie McKeeH-Index: 36
Last. Andrew KellettH-Index: 20
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Herein, we report the synthesis, characterisation, X-ray crystallography, and oxidative DNA binding interactions of the copper artificial metallo-nuclease [Cu(DPQ)2(NO3)](NO3), where DPQ = dipyrido[3,2-f:2′,3′-h]quinoxaline. The cation [Cu(DPQ)2]2+ (Cu-DPQ), is a high-affinity binder of duplex DNA and presents an intercalative profile in topoisomerase unwinding and viscosity experiments. Artificial metallo-nuclease activity occurs in the absence of exogenous reductant but is greatly enhanced by ...
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#1Mukulesh Mondal (Oakland University)H-Index: 1
#2Manashi Panda (Oakland University)H-Index: 1
Last. Nessan J. Kerrigan (DCU: Dublin City University)H-Index: 1
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When InBr3-EtAlCl2 (15–30 mol%) was used as a dual Lewis acid system to promote the formal [3+2]-cycloaddition of enantioenriched donor–acceptor cyclopropanes with ketenes, cyclopentanones were formed in good to excellent yields (84–99%, 18 examples), and with excellent transfer of chirality (15 examples, 90% ee to >99% ee).
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#1Christina Wegeberg (University of Southern Denmark)H-Index: 2
#2David Nielsen (DTU: Technical University of Denmark)H-Index: 1
Last. Christine J. McKenzie (University of Southern Denmark)H-Index: 23
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The single crystal X-ray structure determination of {[Cu(tpt)(o-phthalate)]·31/3(C2H2Cl4)}n (tpt = 2,4,6-tri-4-pyridyl-1,3,5-triazine, C2H2Cl4 = 1,1,2,2-tetrachloroethane = TCE) shows a 3D network in which CuII centres are linked by 3-connecting tpt ligands with the topology of a 12,3 net. CuII centres are further linked by o-phthalate dianions. The copper coordination geometry is square pyramidal, with o-phthalate oxygen donors trans to each other in the basal plane and the remaining positions ...
1 CitationsSource
#1Mukulesh Mondal (Oakland University)H-Index: 1
#2Manashi Panda (Oakland University)H-Index: 1
Last. Nessan J. Kerrigan (DCU: Dublin City University)H-Index: 1
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In this article we describe a new asymmetric synthesis of highly substituted tetrahydrofurans through a Pd(PPh3)4-catalyzed formal [3 + 2]-cycloaddition of donor–acceptor cyclopropanes and ketenes. The desired structural motif was formed in moderate to excellent yields (42–84% for 16 examples), with excellent Z:E isomer diastereoselectivity (≥19:1 for 16 examples), and with good to excellent enantioselectivity in all cases examined (83–97% ee for 6 examples). The synthetic utility of the product...
1 CitationsSource
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