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545023

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Peter Tzu-Yu Chien et al.
Toxicology and applied pharmacology, 289(2), 349-359 (2015-09-20)
Carbon monoxide (CO) is one of the cytoprotective byproducts of heme oxygenase (HO)-1 and exerts anti-inflammatory action in various models. However, the detailed mechanisms underlying CO-induced HO-1 expression in primary human cardiomyocytes remain largely unidentified. We used primary left ventricle
Rakesh Kumar Gupta et al.
Inorganic chemistry, 52(7), 3687-3698 (2013-03-13)
The synthesis of four novel heteroleptic dipyrrinato complexes [(η(6)-arene)RuCl(2-pcdpm)] (η(6)-arene = C6H6, 1; C10H14, 2) and [(η(5)-C5Me5)MCl(2-pcdpm)] (M = Rh, 3; Ir, 4) containing a new chelating ligand 4-(2-methoxypyridyl)-phenyldipyrromethene (2-pcdpm) have been described. The complexes 1-4 have been fully characterized
Weijun Yang et al.
Organic letters, 15(6), 1282-1285 (2013-02-26)
An efficient Ru-catalyzed synthesis of dihydrofuroquinolines from azido-cyclopropyl ketones via the reduction-cyclization-rearrangement process is reported. A plausible reaction mechanism for this process is depicted. Additionally, when the reaction was carried out under H2 (1 atm) in the presence of Pd/C
Sumit Saha et al.
Inorganic chemistry, 52(5), 2526-2532 (2013-02-21)
The reaction of Ru5(CO)15(μ5-C) with Ni(COD)2 in acetonitrile at 80 °C affords the bimetallic octahedral ruthenium-nickel cluster complex Ru5Ni(NCMe)(CO)15(μ6-C), 3. The acetonitrile ligand in 3 can be replaced by CO and NH3 to yield Ru5Ni(CO)16(μ6-C), 4, and Ru5Ni(NH3)(CO)15(μ6-C), 5, respectively.
T C Ooi et al.
Clinica chimica acta; international journal of clinical chemistry, 446, 97-104 (2015-04-11)
Circulating PCSK9 levels are higher in women than men, in postmenopausal than premenopausal women, and in pregnant than non-pregnant women, suggesting that sex hormones may be related to PCSK9 levels. We have examined the relationship between serum estradiol (E2) and
Alvin A Holder et al.
Dalton transactions (Cambridge, England : 2003), 42(33), 11881-11899 (2013-06-21)
We report the synthesis and characterisation of mixed-metal binuclear ruthenium(II)-vanadium(IV) complexes, which were used as potential photodynamic therapeutic agents for melanoma cell growth inhibition. The novel complexes, [Ru(pbt)2(phen2DTT)](PF6)2·1.5H2O 1 (where phen2DTT = 1,4-bis(1,10-phenanthrolin-5-ylsulfanyl)butane-2,3-diol and pbt = 2-(2'-pyridyl)benzothiazole) and [Ru(pbt)2(tpphz)](PF6)2·3H2O 2
Lipeng Wu et al.
Journal of the American Chemical Society, 135(10), 3989-3996 (2013-02-20)
An efficient and regioselective ruthenium-catalyzed hydroaminomethlyation of olefins is reported. Key to success is the use of specific 2-phosphino-substituted imidazole ligands and triruthenium dodecacarbonyl as catalyst. Both industrially important aliphatic as well as various functionalized olefins react with primary and
Rajendran Manikandan et al.
Organic letters, 16(13), 3568-3571 (2014-06-24)
A Ru-catalyzed cyclization of anilides with propiolates or acrylates affording 2-quinolinones having diverse functional groups in good to excellent yields is described. Later, 2-quinolinones were converted into 3-halo-2-quinolinones and 2-chloroquinolines. The proposed mechanism was strongly supported by experimental evidence and
Nicolas P E Barry et al.
Chemical Society reviews, 41(8), 3264-3279 (2012-02-07)
This review describes how the incorporation of dicarba-closo-dodecarboranes into half-sandwich complexes of ruthenium, osmium, rhodium and iridium might lead to the development of a new class of compounds with applications in medicine. Such a combination not only has unexplored potential
Hanan Chweih et al.
Experimental physiology, 100(9), 1073-1092 (2015-06-23)
What is the central question of this study? The assessment of Ca(2+) handling by isolated mitochondria can be biased by dysfunctions secondary to Ca(2+) -induced mitochondrial permeability transition (MPT). As a result of this uncertainty and the differing experimental conditions
Denis Kröger et al.
Organic & biomolecular chemistry, 13(26), 7223-7229 (2015-06-09)
Driven by the shortage of known effective possibilities for the synthesis of 4-hydroxy-3,4-dihydro-2H-1,3-thiazine-2-thiones on the one hand and the promising potential of these structures as novel drug candidates on the other hand, synthetic access to 4-hydroxy-3,4-dihydro-2H-1,3-thiazine-2-thiones was developed. The desired
Katharine A Smart et al.
Inorganic chemistry, 52(5), 2654-2661 (2013-02-21)
The coordination of pyridine-2-amino(methyl)dimethylsilane ligands to ruthenium has afforded access to a family of novel complexes that display multicenter Ru-H-Si interactions according to the number of incorporated ligands. The new complexes Ru[κ-Si,N-(SiMe2)N(Me)(C5H4N)](η(4)-C8H12)(η(3)-C8H11) (1), Ru2(μ-H)2(H)2[κ-Si,N-(SiMe2)N(Me)(C5H4N)]4 (2), and Ru(H)[κ-Si,N-(SiMe2)N(Me)(C5H4N)]3 (3) were isolated
Matthias Saar et al.
The Prostate, 75(14), 1526-1537 (2015-06-16)
In vivo model systems in prostate cancer research that authentically reproduce tumor growth are still sparse. While orthotopic implantation is technically difficult, particularly in the mouse, most models favor subcutaneous tumor growth. This however provides little information about natural tumor
Nicole L Fry et al.
Accounts of chemical research, 44(4), 289-298 (2011-03-03)
Nitric oxide (NO) can induce apoptosis (programmed cell death) at micromolar or higher doses. Although cell death via NO-induced apoptosis has been studied quite extensively, the targeted delivery of such doses of NO to infected or malignant tissues has not
Shujie Zhu et al.
Organic letters, 15(7), 1440-1443 (2013-03-19)
A method for the highly regioselective reductive coupling reaction of N-aryl-α-imino esters with dienes is described. The method utilizes the RuHCl(CO)(PPh3)3/iPrOH catalytic system under an Ar atmosphere and provides α-branched allylic α-amino acid derivatives. Application of this transformation to the
Anna-Maria Spehar-Délèze et al.
Analytical and bioanalytical chemistry, 407(22), 6657-6667 (2015-06-24)
Development of a fully automated electrochemiluminescence (ECL) DNA assay for multiplex detection of six biowarfare agents is described. Aminated-DNA capture probes were covalently immobilised on activated-carbon electrodes and subsequently hybridised to target strands. Detection was achieved via a sandwich-type assay
Xiao-Long Zhao et al.
Dalton transactions (Cambridge, England : 2003), 42(16), 5764-5777 (2013-03-02)
The ground- and excited-state acid-base properties of [Ru2(bpy)4(H2bipt)]Cl4 1 {bpy = 2,2'-bipyridine, H2bipt = 2,5-bis[1,10]phenanthrolin[4,5-f]-imidazol-2-yl)thiophene} are investigated by emission and UV-visible absorption spectrophotometric pH titrations. The DNA binding properties of 1 are studied by means of DNA viscosity and optical
Huaiyi Huang et al.
Dalton transactions (Cambridge, England : 2003), 44(35), 15602-15610 (2015-08-08)
Ruthenium complexes have been considered as promising substitutes for cisplatin in cancer chemotherapy. However, novel ruthenium-based therapies are faced with some limitations, such as unimpressive cytotoxicity toward solid tumors. Herein, we designed and synthesized phenyl-substituted terpyridyl ruthenium(ii) complexes ([Ru(tpy)(bpy)Cl](+) (Ru1)
Bill Durham et al.
Biochimica et biophysica acta, 1817(4), 567-574 (2011-09-24)
This review describes the development and application of photoactive ruthenium complexes to study electron transfer and proton pumping reactions in cytochrome c oxidase (CcO). CcO uses four electrons from Cc to reduce O(2) to two waters, and pumps four protons
James B Gerken et al.
Inorganic chemistry, 52(6), 2796-2798 (2013-03-06)
A modular synthetic method has been developed for the preparation of Ru polypyridyl complexes bearing a terminal alkyne. This method proceeds through a readily accessible intermediate with a silyl-protected alkyne and allows access to a variety of five- and six-coordinate
Sung Jong Yoo et al.
Journal of nanoscience and nanotechnology, 13(5), 3591-3596 (2013-07-19)
Size-controlled PtRu nanoparticles embedded in WO3 were prepared by simultaneous multigun sputtering on pure targets of Pt, Ru, and WO3. The mean diameter of the PtRu nanoparticles, as confirmed by high-resolution transmission electron microscopy, can be varied from -2.3 to
Lutz Ackermann et al.
Topics in current chemistry, 292, 211-229 (2010-01-01)
Stoichiometric cycloruthenation reactions of substrates containing Lewis-basic functionalities set the stage for efficient ruthenium-catalyzed C-H bond functionalization reactions. Thereby, selective addition reactions of C-H bonds across alkenes or alkynes enabled atom-economical synthesis of substituted arenes. More recently, ruthenium-catalyzed direct arylation
Feng Ye et al.
Dalton transactions (Cambridge, England : 2003), 42(34), 12309-12316 (2013-07-16)
Mastery over the morphology/structure of nanoparticles enables control of their properties and enhancement of their usefulness for a given application. Herein, we report a systematic study on the synthesis of ruthenium nanoparticles in oleylamine, including the tuning of their morphology/shape
Christian G Hartinger et al.
Current topics in medicinal chemistry, 11(21), 2688-2702 (2011-11-02)
Polynuclear compounds are a relatively new and successful approach in metal-based cancer chemotherapy as typified by the trinuclear Pt compound BBR3464 which was evaluated in clinical trials. In this review, we discuss newer developments of polynuclear ruthenium, osmium and gold
Malgorzata Frik et al.
Journal of medicinal chemistry, 57(23), 9995-10012 (2014-11-20)
A series of organometallic ruthenium(II) complexes containing iminophosphorane ligands have been synthesized and characterized. Cationic compounds with chloride as counterion are soluble in water (70-100 mg/mL). Most compounds (especially highly water-soluble 2) are more cytotoxic to a number of human
M Kiseli et al.
Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology, 35(4), 368-371 (2014-11-11)
The purpose of this study was to investigate whether levels of fetal hypoxia markers, S100 and ischaemia modified albumin (IMA) change in cases of intrauterine growth restriction (IUGR). This case-control study included 15 intrauterine growth restricted fetuses and 20 age-matched
Charles Truillet et al.
Dalton transactions (Cambridge, England : 2003), 42(34), 12410-12420 (2013-07-19)
The synthesis, optical properties and efficiency of new multifunctional nanoparticles as theranostic (fluorescence/MRI/PDT) agents are described. They are based on a polysiloxane network and surrounded by gadolinium(III) chelates and ruthenium(II) complexes. The size of the nanoparticles is maintained under 5
Yongjie Chen et al.
Dalton transactions (Cambridge, England : 2003), 42(16), 5924-5931 (2013-03-06)
The emission enhancement behavior and photocleavage activity of a ruthenium(II) arene complex, [(η(6)-p-cymene)Ru(dppn)(py)](2+) (1) (dppn = 4,5,9,16-tetraaza-dibenzo[a,c]naphthacene, py = pyridine), towards DNA were compared with [(η(6)-p-cymene)Ru(bpy)(py)](2+) (2), [Ru(bpy)2(dppz)](2+) (3) and [Ru(bpy)2(dppn)](2+) (4) (bpy = 2,2'-bipyridine, dppz = dipyrido-[3,2-a:2',3'-c]phenazine). It was
Zicheng Liu et al.
Dalton transactions (Cambridge, England : 2003), 42(33), 11976-11980 (2013-07-12)
A half-sandwich 1,2-azaborolyl (Ab) ruthenium complex, (Ab-C≡CPh)RuCl(PPh3)2 (1), has been synthesized by treating RuCl2(PPh3)3 with lithium 1,2-azaborolide L-1, or by treating either RuCl2(PPh3)3 or RuHCl(PPh3)3 directly with 1,2-azaborole LH-1. It is evaluated as a suitable precatalyst in [2 + 2]
Ze-Bao Zheng et al.
Inorganic chemistry, 52(5), 2306-2316 (2013-02-16)
The anion-interaction properties of a Ru(II) complex of [Ru(bpy)2(Htppip)](ClO4)2·H2O·DMF (RuL) {bpy =2,2'-bipyridine and Htppip =2-(4-(2,6-di(pyridin-2-yl)pyridin-4-yl)phenyl)-1H-imidazo[4,5-f][1,10]phenanthroline} were thoroughly investigated in CH3CN and CH3CN/H2O (50:1, v/v) solutions by UV-visible absorption, emission, and (1)H NMR spectra. These analyses revealed that RuL acts as
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