Dalton Transactions
RSC - Dalton Trans. latest articles
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Nano-scaled TiO(OD)2: a time resolved 1H/2D isotope exchange study observed in situ with neutron scattering at 20 [degree]C and 40 [degree]C
DOI: 10.1039/C2DT32608F, PaperVincent Legrand, Odile Merdrignac-Conanec, Werner Paulus
Hydrogen-deuterium exchange reaction between nano-crystalline deuterated oxyhydroxide TiO(OD)2 and NH3, studied by in situ neutron diffraction measurements, shows high exchange reactivity at very moderate temperatures.
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The synthesis, structures and magnetic properties of polynuclear RuIII-3d (3d = MnII/III, NiII, CuII) compounds based on [RuIII(Q)2(CN)2]-
DOI: 10.1039/C2DT32331A, PaperJing Xiang, Li-Hui Jia, Bing-Wu Wang, Shek-Man Yiu, Shie-Ming Peng, Wai-Yeung Wong, Song Gao, Tai-Chu Lau
The synthesis, structures and magnetic properties of six cyano-bridged heterobimetallic compounds prepared from the RuIII building block, trans-(PPh4)[RuIII(Q)2(CN)2], are described.
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Formation of a supramolecular assembly between a Na+-templated G-quartet and a Ni(II)-porphyrin complex
DOI: 10.1039/C3DT33034F, CommunicationYuji Inui, Shunichi Fukuzumi, Takahiko Kojima
The direct interaction between a G-quartet and octaethylporphyrinatonickel(II) was observed in organic solvents by spectroscopic measurements.
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Sensitivity of [Ru(phen)2dppz]2+ light switch emission to ionic strength, temperature, and DNA sequence and conformation
DOI: 10.1039/C3DT32555E, PaperAndrew W. McKinley, Per Lincoln, Eimer M. Tuite
[Ru(phen)2dppz]2+ emission depends on DNA base composition, sequence, and conformation; and also on ionic strength and temperature in response to DNA flexibility changes.
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ALD/MLD of novel layer-engineered Zn-based inorganic-organic hybrid thin films using heterobifunctional 4-aminophenol as an organic precursor
DOI: 10.1039/C2DT32630B, PaperAnjali Sood, Pia Sundberg, Maarit Karppinen
Thin films of a new inorganic-organic hybrid material, (-Zn-O-C6H4-NH-)n, are grown in a molecular layer-by-layer manner through a gas-phase ALD/MLD process from heterobifunctional 4-aminophenol and diethyl zinc precursors.
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Dinuclear aluminum complexes supported by amino- or imino-phenolate ligands: synthesis, structures, and ring-opening polymerization catalysis of rac-lactide
DOI: 10.1039/C2DT32520A, PaperXiao-Feng Yu, Zhong-Xia Wang
Dinuclear N,O-chelate aluminum complexes efficiently catalyze the ROP of rac-lactide and show higher activity than the mononuclear N,O-chelate aluminum complexes.
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Biomimetic model for [FeFe]-hydrogenase: asymmetrically disubstituted diiron complex with a redox-active 2,2[prime or minute]-bipyridyl ligand
DOI: 10.1039/C2DT32457A, PaperSouvik Roy, Thomas L. Groy, Anne K. Jones
The ability of ([small mu ]-S(CH2)3S)Fe2(CO)4([small kappa]2-bpy) to electrocatalyze reduction of protons to hydrogen was characterized. The catalytic potential is higher than expected based on comparison to phosphine or N-heterocyclic carbene containing complexes.
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Heavier carbene analogues and their derivatives as [small kappa]-El, [small kappa]2-El,N, and [small kappa]2-N,N[prime or minute] ligands: different reactivity patterns for acyclic and cyclic diamidogermylenes and -stannylenes
DOI: 10.1039/C2DT32443A, PaperJoseph K. West, Gregory L. Fondong, Bruce C. Noll, Lothar Stahl
The versatile ligand behavior of heavier carbene analogues is reflected in their [small kappa]-El, [small kappa]2-El,N, and [small kappa]2-N,N[prime or minute] coordination modes.
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Ionic semiconductor: DC and AC conductivity of anilinium tetrathiafulvalene-2-carboxylate
DOI: 10.1039/C2DT32464D, PaperYuka Kobayashi, Satoshi Sumi, Takeshi Terauchi, Daisuke Hashizume
Transport properties and crystal structure of a single crystal of an ionic semiconductor, anilinium tetrathiafulvalene-2-carboxylate, are shown.
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Catalytic mechanism of cytochrome P450 for N-methylhydroxylation of nicotine: reaction pathways and regioselectivity of the enzymatic nicotine oxidation
DOI: 10.1039/C2DT32106H, PaperDongmei Li, Xiaoqin Huang, Jianping Lin, Chang-Guo Zhan
The regioselectivity of nicotine oxidation catalyzed by cytochrome P450 2A6 is determined mainly by the free energy barrier difference between the 5[prime or minute]-hydroxylation and N-methylhydroxylation reactions.
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Cationic arene ruthenium(II) complexes with chelating P-functionalized alkyl phenyl sulfide and sulfoxide ligands as potent anticancer agents
DOI: 10.1039/C3DT33064H, CommunicationGerd Ludwig, Goran N. Kaluderovic, Tobias Ruffer, Martin Bette, Marcus Korb, Michael Block, Reinhard Paschke, Heinrich Lang, Dirk Steinborn
Cationic ruthenium(II) complexes of the type [Ru([small eta]6-p-cym)Cl{Ph2P(CH2)nS(O)xPh-[small kappa]P,[small kappa]S}][PF6] (n = 1-3; x = 0, 1) are presented, especially their high biological potential against cisplatin resistant tumor cell lines is discussed.
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Dioxole functionalized metal-organic frameworks
DOI: 10.1039/C3DT32588A, PaperPhuong V. Dau, Luis R. Polanco, Seth M. Cohen
The synthesis and physical properties of dioxole functionalized metal-organic frameworks (MOFs) are reported.
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Double oxidation localizes spin in a Ni bis-phenoxyl radical complex
DOI: 10.1039/C2DT32632A, PaperTim J. Dunn, Michael I. Webb, Khatera Hazin, Pratik Verma, Erik C. Wasinger, Yuichi Shimazaki, Tim Storr
Delocalized to localized: oxidation of a fully delocalized Ni salen ligand radical complex leads to a bis-ligand radical species in which the two radical spins are predominantly localized on the two phenolate moieties.
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Dehydrogenation and demethanation of 2-methylpropane and propane in the gas-phase by the 16-electron complex [Ru(bipy)2(CO)]2+* chemically activated by the association of [Ru(bipy)2]2+ and CO
DOI: 10.1039/C2DT32475J, PaperAmeneh Gholami, Travis D. Fridgen
The reactions of [Ru(bipy)2]2+ with 2-methylpropane, propane, and propene have been investigated in the ICR cell of a mass spectrometer.
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Pyrophosphate selective fluorescent probe and molecular flip-flop
DOI: 10.1039/C2DT32516K, CommunicationVijay Luxami, Kamaldeep Paul, In Howa Jeong
Highly selective detection of pyrophosphate in the presence of inorganic phosphates, halides, and other nucleotides in neutral aqueous solutions is achieved by a fluorescent Zn-ensemble based system. The implementation of the first molecule based JK-latch sequential logic function is also described.
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Hydration of the calcium(II) ion in an aqueous solution of common anions (ClO4-, Cl-, Br-, and NO3-)
DOI: 10.1039/C2DT31718D, PaperWolfram W. Rudolph, Gert Irmer
The totally symmetric stretch, [small nu]1CaO6 of [Ca(OH2)6]2+ at 283 cm-1, was detected in aqueous Ca(ClO4)2 solutions, while in CaCl2 and CaBr2 solutions in addition to [Ca(OH2)6]2+, contact ion pairs are formed at higher concentrations. In Ca(NO3)2 solutions, weak nitrato complexes were observed.
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Synthesis and structural studies on thioimides, R2C[double bond, length as m-dash]NSR and sulfur diimides, R2C[double bond, length as m-dash]NSN[double bond, length as m-dash]CR2
DOI: 10.1039/C2DT32878J, PaperRebecca L. Melen, Dana J. Eisler, Rachel A. Hewitt, Jeremy M. Rawson
Reaction of Ph2C[double bond, length as m-dash]O and py2C[double bond, length as m-dash]O with Li[N(SiMe3)2] and ArSCl (Ar = 2-O2NC6H4, 2,4-(O2N)2C6H3) yielded Ph2C[double bond, length as m-dash]NSAr (1a and 1b respectively) and py2C[double bond, length as m-dash]NSAr (2a and 2b respectively).
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PVP stabilized Pt nano particles catalyzed de-oxygenation of phenoxazine group by hydrazine in physiological buffer media: surfactant competes with reactants for the same surface sites
DOI: 10.1039/C2DT32007J, PaperRanendu Sekhar Das, Bula Singh, Rupendranath Banerjee, Subrata Mukhopadhyay
PVP capped Pt nano particles catalyze the deoxygenation of blue phenoxazin dye resazurin (1) to pink resorufin (2) by hydrazine in phosphate buffer media.
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Cation-[small pi] induced aggregation of water-soluble [PtII(diimine)(Ln-S,O)]+ complexes studied by 1H DOSY NMR and TEM: from 'dimer aggregates' in acetonitrile to nano-aggregates ('metallogels') in water
DOI: 10.1039/C2DT32053C, PaperIzak A. Kotze, Wilhelmus J. Gerber, Yu-Shan Wu, Klaus R. Koch
The aggregation number of [PtII(phen)(L1-S,O)]+ estimated from DOSY NMR as function of concentration, ranges from [similar]2 in acetonitrile to [similar]735 in pure D2O.
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A highly sensitive and selective fluorescent chemosensor for Pb2+ ions in an aqueous solution
DOI: 10.1039/C2DT32531D, PaperJing Liu, Kai Wu, Sha Li, Tao Song, Yifeng Han, Xin Li
A new fluorescent sensor based on the BODIPY fluorophore and the polyamide receptor for Pb2+ was designed and synthesized.
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